Question

A nurse received handoff report on four clients. Which client should the nurse recognize as being at risk for metabolic acidosis?

Answer 1

Correct Answers:

A client who has sepsis.

Rationale :

🟦 A client with sepsis is at high risk for metabolic acidosis because severe infection leads to impaired tissue perfusion, which causes cells to shift into anaerobic metabolism.

🟦 Anaerobic metabolism produces lactic acid, resulting in lactic acidosis, one of the most common and serious forms of metabolic acidosis.

🟦 During sepsis, widespread vasodilation and capillary leakage decrease oxygen delivery to tissues, further increasing acid accumulation.

🟦 The body attempts to compensate by increasing respiratory rate to blow off CO₂, but this compensation is limited and eventually fails as sepsis progresses.

🟦 In severe cases, metabolic acidosis contributes to organ dysfunction, particularly affecting the kidneys and cardiovascular system.

🟦 Early recognition of this risk is crucial because untreated metabolic acidosis worsens shock and increases mortality.

🟦 Therefore, clients with sepsis require close acid–base monitoring due to their high risk of developing metabolic acidosis.

❌ Incorrect Answers

A client who has severe pain

❌ Severe pain activates the sympathetic nervous system but does not cause metabolic acidosis under normal circumstances.

❌ Pain may cause hyperventilation, but this would more likely lead to respiratory alkalosis, not metabolic acidosis.

A client with a nasogastric tube to suction

❌ NG suction removes hydrochloric acid, predisposing the patient to metabolic alkalosis, not acidosis.

❌ Loss of stomach acid increases serum bicarbonate, shifting the acid–base balance toward alkalosis.

A client with asthma

❌ Asthma typically leads to respiratory acidosis due to air trapping and CO₂ retention, not metabolic acidosis.

❌ The problem is inadequate ventilation rather than a metabolic disturbance.

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Answer 2

Correct Answers:

Initiate continuous cardiac monitoring
0.9% sodium chloride bolus infusion at 500 mL/hr.
Titrate oxygen to SpO2 greater than 95%

Rationale :

1. Initiate continuous cardiac monitoring

🟦 The client has hypokalemia (K⁺ 3.0 mEq/L), which places her at high risk for life-threatening cardiac dysrhythmias, making continuous cardiac monitoring a top priority.

🟦 In the presence of dehydration, electrolyte loss, and hypotension, the myocardium becomes extremely irritable and susceptible to conduction abnormalities.

🟦 Because potassium imbalances alter the resting membrane potential of cardiac cells, early ECG monitoring helps detect changes such as PVCs, ventricular tachycardia, or ST abnormalities.

🟦 Cardiac monitoring also allows the healthcare team to safely administer IV fluids that may further shift electrolytes during resuscitation.

🟦 Given the patient’s tachycardia (HR 106) and low blood pressure (85/54), continuous monitoring provides essential information about cardiac response to therapy.

🟦 This intervention directly supports ABC priorities (circulation), making it an essential action at this time.

🟦 Early monitoring prevents deterioration and provides immediate data if electrolyte replacement becomes necessary.

2. 0.9% Sodium chloride bolus infusion at 500 mL/hr

🟦 This client shows clear signs of hypovolemic shock: low blood pressure, tachycardia, dry mucous membranes, skin tenting, and elevated sodium/osmolality.

🟦 Rapid isotonic fluid replacement with normal saline is critical to restore intravascular volume, improve tissue perfusion, and correct the severe dehydration caused by profuse watery diarrhea.

🟦 Immediate fluid administration helps raise blood pressure, increase cardiac output, and prevent organ dysfunction such as acute kidney injury.

🟦 Without prompt isotonic fluid resuscitation, the patient’s perfusion would continue to decline, worsening lactic acidosis and risking shock progression.

🟦 0.9% NS is the safest and most appropriate fluid because it expands vascular volume without altering serum osmolality further.

🟦 Improving volume status will help stabilize vital signs, reduce compensatory tachycardia, and enhance overall hemodynamic stability.

🟦 This is an urgent life-saving intervention, making it a top priority.

3. Titrate oxygen to SpO₂ greater than 95%

🟦 The client’s oxygen saturation is 89% on room air, indicating significant hypoxemia, which must be corrected immediately to maintain adequate cellular oxygenation.

🟦 Hypoxia worsens neurological status, contributing to lethargy and confusion, both of which are already present in this client’s altered mental state.

🟦 Supplemental oxygen increases arterial oxygen delivery and helps counteract the impaired perfusion caused by severe dehydration.

🟦 Improving oxygenation ensures vital organs—including the brain and kidneys—receive adequate oxygen, reducing the risk of tissue injury.

🟦 Titrating oxygen to >95% follows ABCs—Airway and Breathing, which always take precedence when abnormalities are detected.

🟦 Oxygen delivery is also important during fluid resuscitation, as restoring volume increases metabolic demand and oxygen consumption.

🟦 Ensuring adequate oxygen saturation prevents further decline and supports stabilization during the acute phase of treatment.

❌ Incorrect Options

Weigh the client daily on the same scale

❌ Daily weights are important for monitoring hydration trends but are not an immediate priority in a hemodynamically unstable patient.

❌ Life-saving interventions such as oxygenation, perfusion restoration, and cardiac monitoring come first.

Draw blood for a complete blood count

❌ The patient already had blood drawn at 0800, and a CBC is not an immediate life-saving priority in comparison to stabilizing ABCs and perfusion.

❌ Additional labs can be collected later, once the patient is hemodynamically supported.

Document the client’s intake and output

❌ Although important for fluid management, I&O documentation is a secondary task, not a priority during acute hypotension and hypoxia.

❌ Stabilization of airway, breathing, circulation, and electrolytes must occur before documentation tasks.

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Answer 3

Correct Answers:

Intercostal retractions on inspiration

Rationale :

🟦 Intercostal retractions indicate that the client is working extremely hard to breathe, showing significant respiratory muscle fatigue and an inability to maintain adequate ventilation.

🟦 Retractions occur when the negative intrathoracic pressure becomes so strong that the soft tissues between the ribs pull inward, signaling impending respiratory failure.

🟦 In a client with advanced stage 4 lung cancer, this finding is especially concerning because it suggests airway obstruction, decreased lung expansion, or increased pressure on lung tissues from tumor burden.

🟦 Retractions are an acute sign that gas exchange is compromised and that oxygenation may rapidly decline without immediate intervention.

🟦 This finding is more concerning than changes in heart rate or blood pressure because it reflects mechanical difficulty moving air, not just a physiological response to stress.

🟦 Prompt nursing response is required because retractions can precede respiratory arrest, especially in weakened clients.

🟦 Therefore, intercostal retractions represent the most urgent and dangerous finding for this patient with known respiratory compromise.

❌ Incorrect Answers

Heart rate of 107 beats per minute

❌ A heart rate of 107 bpm represents mild tachycardia, which is expected in clients experiencing pain, stress, or respiratory difficulty.

❌ While important to monitor, it does not indicate an immediate threat of respiratory failure compared to retractions.

Client report of experiencing anxiety

❌ Anxiety is a common subjective response to dyspnea and is not a direct indicator of respiratory collapse.

❌ The cause of the anxiety must be assessed, but it is not as clinically urgent as objective signs of respiratory distress.

Blood pressure of 142/88 mm Hg

❌ This blood pressure is slightly elevated but does not pose an acute threat and is often related to stress or discomfort.

❌ It does not indicate impaired ventilation or immediate deterioration of respiratory status.

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Answer 4

Correct Answers

Blank 1 Correct Option: Obtain a sputum culture
Blank 2 Correct Option: Administer antibiotic therapy

Rationale :

🟦 Obtain a sputum culture (FIRST)

🟦 In a client with suspected bacterial pneumonia, it is essential to obtain a sputum culture before starting antibiotic therapy, because antibiotics can alter or reduce the number of organisms present in the sample.

🟦 Collecting the sputum culture first allows the laboratory to identify the causative organism and determine its antibiotic sensitivity, which supports targeted and effective treatment.

🟦 If antibiotics are administered before the culture is obtained, the results may be inconclusive or falsely negative, complicating the diagnosis and delaying optimal therapy.

🟦 From a priority and sequencing standpoint, this respects the principle of “culture before antibiotics” whenever infection is suspected and time allows.

🟦 This step also aligns with safe practice and antimicrobial stewardship by helping avoid unnecessary broad-spectrum antibiotic use.

🟦 Therefore, obtaining the sputum culture is the most appropriate first action to guide and individualize the client’s pneumonia treatment.

🟦 Administer antibiotic therapy (SECOND)

🟦 Once the sputum culture has been obtained, the nurse should promptly administer antibiotic therapy to treat the suspected bacterial infection.

🟦 Timely administration of antibiotics is crucial in pneumonia because delayed treatment can lead to worsening infection, sepsis, and respiratory failure.

🟦 Prescribers typically order broad-spectrum antibiotics initially, then narrow coverage based on culture and sensitivity results.

🟦 Giving the antibiotic after culture collection maintains both diagnostic accuracy and rapid therapeutic response, which is critical in acutely ill clients.

🟦 This sequence balances the need for accurate organism identification with the urgency of starting treatment.

🟦 Thus, antibiotic therapy appropriately follows sputum culture collection as the next high-priority intervention.

❌ Why the Other Options Are NOT First or Second

❌ Administer antibiotic therapy (as FIRST choice)

❌ Administering antibiotics before obtaining a sputum culture can interfere with test accuracy and obscure the causative organism.

❌ Although antibiotics are urgent, they are best given immediately after cultures are obtained, not before.

❌ Provide an expectorant medication

❌ Expectorants may help mobilize secretions but are not the first priority in suspected pneumonia.

❌ They do not treat the underlying bacterial infection or provide diagnostic information.

❌ Give an antipyretic medication

❌ Antipyretics treat fever, which is a symptom, not the cause of pneumonia.

❌ While helpful for comfort, they do not address the infection or assist in identifying the organism.

❌ Send client for a chest x-ray

❌ A chest x-ray is very useful to confirm pneumonia, but it does not necessarily need to precede sputum collection, and it does not replace the need for culture.

❌ It shows infiltrates or consolidation but cannot identify the specific pathogen or guide targeted antibiotic therapy.

❌ Draw a complete blood count (CBC)

❌ A CBC may show elevated white blood cells, supporting infection, but it is nonspecific and does not identify the organism.

❌ It is important, but it does not directly determine antibiotic choice like a sputum culture does.

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Answer 5

Correct Answers:

Decreased sodium level

Rationale :

🟦 A decreased sodium level (hyponatremia) in a client with heart failure indicates worsening fluid volume excess, because excess water dilutes sodium concentration in the blood.

🟦 This condition, called dilutional hyponatremia, reflects advancing heart failure due to increased secretion of antidiuretic hormone (ADH) and renin–angiotensin–aldosterone system (RAAS) activation, both of which cause the body to retain more water.

🟦 As fluid volume continues to rise, the failing heart becomes unable to manage the increased workload, leading to pulmonary congestion and declining perfusion.

🟦 Hyponatremia in heart failure is strongly associated with poor prognosis, worsening cardiac output, and increased risk of hospitalization.

🟦 Unlike weight and edema changes that may fluctuate with treatment, a falling sodium level is a biochemical marker of deteriorating neurohormonal regulation and more severe disease progression.

🟦 This finding indicates that the client’s compensatory mechanisms are failing, and advanced medical interventions may be required.

🟦 Therefore, among the given options, a decreased sodium level is the most concerning indicator of worsening heart failure.

❌ Incorrect Answers

Decreased blood pressure

❌ A decrease in blood pressure can occur with diuresis and may reflect effective fluid removal, not worsening status.

❌ Mild improvement in vascular congestion often leads to lowered systemic pressure as fluid overload resolves.

Decreased peripheral edema

❌ Reduced edema typically signals effective treatment, especially after diuretic therapy.

❌ This finding reflects improved fluid movement and decreased venous congestion.

Decreased weight

❌ Weight loss in heart failure usually indicates successful fluid removal, suggesting improvement, not deterioration.

❌ Daily weights are one of the most accurate indicators of effective volume management.

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Answer 6

Correct Answers:

Have the client breathe into a paper bag.

Rationale :

🟦 The client’s ABG results (pH 7.51, PaCO₂ 27 mm Hg, HCO₃ 24 mEq/L) indicate respiratory alkalosis, which is most commonly caused by hyperventilation such as during a panic attack.

🟦 In respiratory alkalosis, the client is blowing off too much carbon dioxide (CO₂), leading to a high pH (alkalemia) and low PaCO₂, which explains symptoms like numbness, tingling, and lightheadedness due to decreased ionized calcium.

🟦 Having the client breathe into a paper bag allows them to rebreathe exhaled CO₂, which helps raise PaCO₂ levels and gradually lower the pH back toward normal.

🟦 This intervention directly targets the underlying cause—excessive CO₂ loss from rapid breathing—and is appropriate for a hemodynamically stable client experiencing a panic-induced hyperventilation episode.

🟦 In addition, this technique can be combined with calm coaching, reassurance, and slowing the breathing pattern, which are essential in managing a panic attack.

🟦 By correcting the abnormal breathing pattern rather than adding oxygen or medications that are not indicated, the nurse addresses the true pathophysiology of respiratory alkalosis in this scenario.

❌ Incorrect Options

❌ Encourage the client to use the incentive spirometer.

❌ An incentive spirometer promotes deeper inhalation and can increase ventilation, which would worsen hyperventilation and respiratory alkalosis.

❌ It is used to prevent atelectasis postoperatively, not to treat panic-induced hyperventilation.

❌ Apply a nonrebreather mask with 15 L of oxygen.

❌ The client’s PaO₂ is 95 mm Hg, which is normal, so there is no evidence of hypoxemia requiring high-flow oxygen.

❌ Giving high-flow oxygen does not treat respiratory alkalosis and may distract from correcting the true problem: excessive CO₂ loss.

❌ Administer sodium bicarbonate intravenously.

❌ Sodium bicarbonate is used to treat metabolic acidosis, not respiratory alkalosis.

❌ Giving bicarbonate here would further increase the pH, making the alkalosis worse and potentially dangerous.

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Answer 7

Correct Answers:

Obtain blood and throat cultures.
Infuse 0.9% sodium chloride at 125 mL/hr.

Rationale :

1. Obtain blood and throat cultures

🟦 The client’s absolute neutrophil count (ANC) is 325 cells/mcL, which indicates severe neutropenia, placing the client at extremely high risk for life-threatening infection.

🟦 When infection is suspected in an immunocompromised client, it is critical to obtain cultures immediately before starting antibiotics so that the organism can be accurately identified.

🟦 Cultures guide targeted antimicrobial therapy, which is essential because neutropenic clients may not mount a normal immune response or produce typical fever patterns.

🟦 A delay in obtaining cultures risks false-negative results once antibiotics are started, making diagnosis more challenging.

🟦 Collecting cultures promptly also supports early detection of bacteremia or sepsis, which can progress rapidly in severely neutropenic patients.

🟦 Timely culture collection is a core component of neutropenic fever protocols and is considered a medical emergency.

🟦 Therefore, obtaining blood and throat cultures is a top priority that directly protects client safety and guides life-saving treatment.

2. Infuse 0.9% sodium chloride at 125 mL/hr

🟦 Neutropenic clients with suspected infection require aggressive hydration to maintain perfusion and support organ function because sepsis can develop quickly.

🟦 IV fluids help stabilize blood pressure, improve circulation, and protect the kidneys from injury, especially when antibiotics and potential toxins are administered.

🟦 Adequate vascular volume is essential to prevent complications such as septic shock, which can occur rapidly in immunosuppressed individuals.

🟦 Hydration also promotes renal clearance of bacterial byproducts and supports better tolerance of antibiotics.

🟦 Starting fluids without delay ensures immediate hemodynamic support while diagnostic testing and antibiotic preparation are underway.

🟦 Maintaining fluid balance is a cornerstone of early sepsis management and aligns with evidence-based care guidelines.

🟦 Therefore, initiating the prescribed IV fluid infusion is a high-priority intervention that enhances physiological stability and prevents deterioration.

❌ Incorrect Options (Not Priorities)

Administer ondansetron 4 mg IV push

❌ Ondansetron treats nausea but does not address the client’s critical neutropenia or potential infection, making it a lower priority.

❌ Symptom control is important but not urgent compared to interventions that prevent sepsis progression.

Provide a dose of prescribed acetaminophen

❌ Acetaminophen can mask fever, which is an essential indicator in neutropenic patients, and is not prioritized over obtaining cultures and stabilizing the client.

❌ It does not treat the underlying infection or improve physiological stability.

Administer prescribed intravenous antibiotics

❌ Antibiotics should never be given before obtaining cultures, especially in suspected neutropenic infection.

❌ Administering antibiotics too early can compromise culture accuracy and delay appropriate organism-specific treatment.

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Answer 8

Correct Answers:

Decreased vitamin A intake

Rationale :

🟦 Vitamin A is essential for epithelial cell growth, collagen synthesis, and immune function, all of which directly influence wound healing.

🟦 A deficiency impairs the body's ability to generate new tissue, slowing the repair of damaged skin and underlying structures.

🟦 Vitamin A also enhances inflammatory response, which is crucial in the early phase of healing when macrophages and neutrophils clear debris and bacteria.

🟦 Without adequate vitamin A, fibroblast activity declines, reducing collagen production and delaying granulation tissue formation.

🟦 This deficiency increases susceptibility to infection, further prolonging wound healing time.

🟦 Because wound healing is a nutritionally dependent process, inadequate intake of vitamin A significantly compromises recovery.

🟦 Therefore, decreased vitamin A intake is the most concerning factor contributing to poor wound healing.

❌ Incorrect Answers

Increased carbohydrate intake

❌ Carbohydrates provide energy needed for cell repair and immune response, and mild increases do not impair healing.

❌ Unless excessive, carbohydrate intake does not negatively affect the wound-healing cascade.

Decreased triglyceride level

❌ Low triglycerides do not directly impair wound repair because fat intake is not the primary nutrient required for tissue regeneration.

❌ Triglyceride levels reflect lipid metabolism, not wound-healing efficiency.

Increased oral fluid intake

❌ Adequate hydration actually supports wound healing by improving tissue perfusion and nutrient delivery.

❌ Increased fluids do not cause delayed healing and may improve cellular recovery.

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Answer 9

Correct Answers:

A client with gastroenteritis

Rationale :

🟦 Gastroenteritis causes vomiting and diarrhea, which lead to excessive loss of electrolytes, including magnesium, through the gastrointestinal tract.

🟦 Magnesium is primarily absorbed in the small intestine, and inflammation or rapid transit decreases absorption significantly.

🟦 With persistent GI loss, the body cannot maintain magnesium balance, resulting in hypomagnesemia.

🟦 Low magnesium levels can cause muscle cramps, arrhythmias, neuromuscular irritability, and increased risk of seizures.

🟦 Clients with gastroenteritis are highly vulnerable because they often have decreased oral intake in addition to increased losses.

🟦 Magnesium deficiency may also worsen electrolyte disturbances such as hypokalemia, further compromising patient stability.

🟦 Therefore, the client with gastroenteritis is at the highest risk for developing hypomagnesemia.

❌ Incorrect Answers

A client with metastatic cancer

❌ Cancer may cause metabolic disturbances, but it does not inherently cause magnesium loss unless chemotherapy-induced diarrhea occurs.

❌ It is not the most direct or predictable cause of hypomagnesemia in this list.

A client with hypothyroidism

❌ Hypothyroidism typically causes slowed metabolism, not electrolyte losses.

❌ It is not associated with magnesium wasting.

A client with adrenal insufficiency

❌ This condition more commonly causes hyperkalemia and hyponatremia, not magnesium loss.

❌ It does not directly predispose the client to hypomagnesemia.

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Answer 10

Correct Answers:

Wheezing
Chest tightness
Intercostal retractions

Rationale :

Wheezing

🟦 Wheezing occurs due to airway narrowing from bronchospasm, mucus production, and inflammation in asthma.

🟦 These obstructive changes create high-pitched sounds as air moves through constricted bronchi.

🟦 Wheezing is one of the hallmark physical findings during an acute asthma flare.

🟦 Its presence indicates impaired airflow and increased work of breathing.

🟦 Persistent or worsening wheezing may signal severe obstruction and impending respiratory failure.

🟦 Therefore, wheezing is an expected and clinically significant finding in asthma exacerbations.

Chest Tightness

🟦 Clients frequently experience chest tightness due to airway constriction and increased effort required to move air.

🟦 This sensation results from bronchial muscle contraction and dynamic lung hyperinflation.

🟦 Chest tightness is often an early warning sign that airway narrowing is progressing.

🟦 It may also occur before audible wheezing appears.

🟦 Recognizing this symptom early is important for timely intervention and preventing escalation.

🟦 Therefore, chest tightness is a common and expected finding during acute asthma exacerbation.

Intercostal Retractions

🟦 Intercostal retractions occur when the client must generate significant negative pressure to overcome airway resistance.

🟦 Retractions indicate increased work of breathing, a concerning sign of respiratory distress in asthma.

🟦 This physical finding demonstrates that ventilation is becoming compromised due to severe airway narrowing.

🟦 Retractions may precede respiratory fatigue, making this finding important for early intervention.

🟦 They reflect increasing severity of the attack and potential progression toward respiratory failure.

🟦 Thus, intercostal retractions are an expected—and serious—assessment finding in acute asthma.

❌ Incorrect Answers

Depression

❌ Depression is not related to the pathophysiology of an acute asthma attack.

❌ It may occur chronically in chronic illness, but not acutely during bronchospasm.

Bradycardia

❌ Asthma usually causes tachycardia, not bradycardia, due to hypoxia and beta-agonist use.

❌ Bradycardia is a late, ominous sign of impending respiratory arrest—not an expected early finding.

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QLexNursing

1 :
A nurse received handoff report on four clients. Which client should the nurse recognize as being at risk for metabolic acidosis?

2 :
Patient data

Answer Options

3 :
The nurse assesses a client admitted with stage 4 lung cancer reporting difficulty breathing. What additional finding should the nurse identify as most concerning?

4 :
The nurse is caring for a client with suspected bacterial pneumonia.

Correct Answers

5 :
The nurse provides prescribed treatments for a client with fluid volume excess related to heart failure. What finding indicates to the nurse that the client's condition is worsening?

6 :
Patient data

Answer Options

7 :
Patient data

Answer Options

8 :
The nurse admits a client with a non-healing wound and reviews their electronic health record. What finding in the client's chart should the nurse identify as contributing to delayed wound healing?

9 :
What client is at risk for hypomagnesemia?

10 :
A client presents to the emergency department experiencing an acute asthma exacerbation. What assessment finding(s) should the nurse expect? Select all that apply.

QLexNursing

1 : A nurse received handoff report on four clients. Which client should the nurse recognize as being at risk for metabolic acidosis?

2 : Patient data

Answer Options

3 : The nurse assesses a client admitted with stage 4 lung cancer reporting difficulty breathing. What additional finding should the nurse identify as most concerning?

4 : The nurse is caring for a client with suspected bacterial pneumonia.

Correct Answers

5 : The nurse provides prescribed treatments for a client with fluid volume excess related to heart failure. What finding indicates to the nurse that the client's condition is worsening?

6 : Patient data

Answer Options

7 : Patient data

Answer Options

8 : The nurse admits a client with a non-healing wound and reviews their electronic health record. What finding in the client's chart should the nurse identify as contributing to delayed wound healing?

9 : What client is at risk for hypomagnesemia?

10 : A client presents to the emergency department experiencing an acute asthma exacerbation. What assessment finding(s) should the nurse expect? Select all that apply.

1 :
A nurse received handoff report on four clients. Which client should the nurse recognize as being at risk for metabolic acidosis?

2 :
Patient data

3 :
The nurse assesses a client admitted with stage 4 lung cancer reporting difficulty breathing. What additional finding should the nurse identify as most concerning?

4 :
The nurse is caring for a client with suspected bacterial pneumonia.

5 :
The nurse provides prescribed treatments for a client with fluid volume excess related to heart failure. What finding indicates to the nurse that the client's condition is worsening?

6 :
Patient data

7 :
Patient data

8 :
The nurse admits a client with a non-healing wound and reviews their electronic health record. What finding in the client's chart should the nurse identify as contributing to delayed wound healing?

9 :
What client is at risk for hypomagnesemia?

10 :
A client presents to the emergency department experiencing an acute asthma exacerbation. What assessment finding(s) should the nurse expect? Select all that apply.