Question

Which of the following statements regarding pain and anxiety are true? (Select all that apply.)

Answer 1

Correct Answers:

Pain and anxiety are often interrelated and may be difficult to differentiate because their physiological and behavioral manifestations are similar.
Pain is defined by each patient; it is whatever the person experiencing the pain says it is.
Anxiety is a state marked by apprehension, agitation, autonomic arousal, and/or fearful withdrawal.

Rationale :

Pain and anxiety are often interrelated and may be difficult to differentiate because their physiological and behavioral manifestations are similar

✳️ Pain and anxiety frequently occur together, especially in critically ill or hospitalized patients.

✳️ Both conditions can activate the sympathetic nervous system, producing similar physiologic responses.

✳️ Common findings may include tachycardia, increased blood pressure, sweating, restlessness, and rapid breathing.

✳️ Behavioral manifestations such as agitation, grimacing, guarding, or withdrawal may also occur with either pain or anxiety.

✳️ Anxiety can increase the patient's perception of pain, making discomfort feel more severe.

✳️ Uncontrolled pain can also increase fear and anxiety, creating a cycle in which each condition worsens the other.

✳️ Careful assessment is necessary to determine whether the patient's symptoms are primarily related to pain, anxiety, or both.

✳️ The similarity between their manifestations explains why pain and anxiety may be difficult to distinguish clinically.

Pain is defined by each patient; it is whatever the person experiencing the pain says it is

✳️ Pain is a subjective experience, meaning the patient's own report is the most important indicator of its presence and severity.

✳️ A patient's description of pain should be accepted even when there are few or no visible signs of discomfort.

✳️ Different individuals may experience the same injury or procedure with very different levels of pain intensity.

✳️ Cultural background, previous experiences, emotions, and coping ability can influence how pain is perceived and expressed.

✳️ Vital signs and behavioral cues can support the assessment, but they do not replace the patient's self-report.

✳️ Standardized pain scales can help quantify the patient's reported pain and evaluate the effectiveness of interventions.

✳️ Respecting the patient's description of pain supports individualized and patient-centered care.

✳️ The principle that pain is whatever the patient says it is remains a foundational concept in pain assessment.

Anxiety is a state marked by apprehension, agitation, autonomic arousal, and/or fearful withdrawal

✳️ Anxiety is an emotional state characterized by apprehension, uneasiness, fear, or a sense of impending danger.

✳️ Patients experiencing anxiety may demonstrate agitation, restlessness, or difficulty concentrating.

✳️ Autonomic stimulation can produce tachycardia, sweating, increased blood pressure, tremors, and rapid respirations.

✳️ Some patients respond to anxiety through fearful withdrawal or decreased interaction rather than visible agitation.

✳️ Anxiety can interfere with sleep, communication, decision-making, and participation in treatment.

✳️ Critically ill patients are especially vulnerable because unfamiliar equipment, procedures, pain, and uncertainty can increase anxiety.

✳️ Nursing assessment should include both physical manifestations and behavioral responses associated with anxiety.

✳️ Recognizing anxiety early allows the care team to provide appropriate reassurance, environmental support, and pharmacologic treatment when indicated.

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Answer 2

Correct Answers:

20

Rationale :

🔆 Formula:

🔆 Dose (mcg/min) = Concentration (mcg/mL) × Infusion rate (mL/hr) ÷ 60

Step 1: Find the concentration

🔆 50 mg = 50,000 mcg

🔆 50,000 mcg ÷ 250 mL

= 200 mcg/mL

Step 2: Calculate the dose per hour

🔆 200 mcg/mL × 6 mL/hr

= 1,200 mcg/hr

Step 3: Convert hours to minutes

🔆 1,200 mcg/hr ÷ 60 min/hr

= 20 mcg/min

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Answer 3

Correct Answers:

Torsades de pointes

Rationale :

🧿 This patient has both hypokalemia and severe hypomagnesemia, which greatly increase the risk for dangerous ventricular dysrhythmias.

🧿 Low potassium can delay ventricular repolarization and contribute to prolongation of the QT interval.

🧿 Low magnesium further destabilizes cardiac electrical activity and increases susceptibility to torsades de pointes.

🧿 Torsades de pointes is a form of polymorphic ventricular tachycardia that is strongly associated with a prolonged QT interval.

🧿 The patient's history of alcohol abuse increases the likelihood of magnesium deficiency because chronic alcohol use commonly causes poor intake and electrolyte losses.

🧿 Congestive heart failure treatment may also include diuretics, which can worsen potassium and magnesium depletion.

🧿 Torsades de pointes can rapidly deteriorate into ventricular fibrillation and cardiac arrest if not recognized and treated promptly.

🧿 Immediate correction of the electrolyte abnormalities, especially with IV magnesium sulfate when torsades is present, is critical to reduce the risk of a fatal rhythm.

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Answer 4

Correct Answers:

Breaths should be delivered approximately 10 breaths per minute.

Rationale :

♦️ Once an advanced airway is in place during CPR, chest compressions and ventilations are no longer coordinated in a fixed compression-to-ventilation ratio.

♦️ Ventilations are generally delivered at about 1 breath every 6 seconds, which equals approximately 10 breaths per minute.

♦️ Chest compressions should continue continuously at the recommended compression rate without pausing for each breath.

♦️ Each breath should be delivered over about 1 second with enough volume to produce visible chest rise.

♦️ Excessive ventilation should be avoided because it can increase intrathoracic pressure and reduce venous return to the heart.

♦️ Reduced venous return can decrease cardiac output and coronary perfusion pressure during resuscitation.

♦️ The nurse should maintain a good mask or airway seal and monitor for visible chest rise and adequate ventilation.

♦️ Delivering approximately 10 breaths per minute is therefore the best choice for an intubated patient receiving manual ventilation during CPR.

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Answer 5

Correct Answers:

35

Rationale :

Formula:

✍️ Dose (mcg/kg/min) = Concentration (mcg/mL) × Infusion rate (mL/hr) ÷ Weight (kg) ÷ 60

Step 1: Find the concentration

✍️ 1000 mg ÷ 100 mL

= 10 mg/mL

✍️ 10 mg/mL × 1000 mcg/mg

= 10,000 mcg/mL

Step 2: Calculate the dose per hour

✍️ 10,000 mcg/mL × 14.3 mL/hr

= 143,000 mcg/hr

Step 3: Convert to mcg/min

✍️ 143,000 mcg/hr ÷ 60

= 2,383.3 mcg/min

Step 4: Divide by body weight

✍️ 2,383.3 mcg/min ÷ 68 kg

= 35.0 mcg/kg/min

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Answer 6

Correct Answers:

Nursing care
Monitoring devices
Invasive procedures
Inability to communicate

Rationale :

Nursing care

🖍️ Routine nursing care activities can contribute to pain and anxiety in critically ill patients.

🖍️ Repositioning, bathing, suctioning, dressing changes, and other procedures may cause physical discomfort or pain.

🖍️ Frequent interruptions can interfere with sleep and rest, increasing stress and anxiety.

🖍️ Critically ill patients may perceive even necessary care as threatening when they feel vulnerable or unable to control their environment.

🖍️ Painful procedures can trigger sympathetic nervous system responses such as tachycardia and hypertension.

🖍️ Explaining procedures before performing them can help reduce fear and uncertainty.

🖍️ Appropriate analgesia and clustering of care can decrease unnecessary discomfort and promote rest.

🖍️ Nursing care is therefore a recognized factor that may contribute to pain and anxiety in critically ill patients.

Monitoring devices

🖍️ Critically ill patients are often connected to multiple monitoring devices, including cardiac monitors, pulse oximeters, blood pressure cuffs, and invasive lines.

🖍️ Equipment can restrict movement and contribute to feelings of loss of control or confinement.

🖍️ Frequent alarms may produce fear, sleep disruption, and anxiety, especially when patients do not understand their purpose.

🖍️ Tight cuffs, adhesive electrodes, tubing, and other devices may also cause physical discomfort or skin irritation.

🖍️ Constant monitoring can remind patients of the severity of their illness, increasing emotional distress.

🖍️ Unfamiliar equipment and noises can contribute to sensory overload in the critical care environment.

🖍️ Nurses should explain the purpose of equipment and reduce unnecessary alarm noise whenever possible.

🖍️ Monitoring devices can therefore predispose critically ill patients to both pain and anxiety.

Invasive procedures

🖍️ Critically ill patients frequently undergo invasive procedures such as arterial line placement, central venous catheter insertion, chest tube placement, and endotracheal intubation.

🖍️ These procedures can directly stimulate pain receptors and produce significant physical discomfort.

🖍️ Anticipation of an invasive procedure can also cause substantial fear and anxiety before the procedure begins.

🖍️ Patients may become anxious about potential complications, loss of control, or the possibility of additional procedures.

🖍️ Repeated invasive interventions can increase the cumulative burden of pain and psychological stress.

🖍️ Adequate analgesia and sedation should be provided when clinically appropriate.

🖍️ Clear communication about what the patient should expect can reduce procedural anxiety.

🖍️ Invasive procedures are therefore an important source of both pain and anxiety in critical care.

Inability to communicate

🖍️ Critically ill patients may be unable to communicate because of endotracheal intubation, sedation, neurologic impairment, or severe weakness.

🖍️ Inability to express needs can create intense frustration, fear, and helplessness.

🖍️ Patients may experience pain but be unable to tell healthcare providers where it hurts or how severe it is.

🖍️ Difficulty communicating can delay recognition and treatment of pain or other distressing symptoms.

🖍️ Communication impairment may also increase anxiety because patients cannot easily ask questions or seek reassurance.

🖍️ Behavioral pain assessment tools can help evaluate discomfort when a patient cannot provide a reliable self-report.

🖍️ Alternative communication methods such as communication boards, writing tools, gestures, or yes/no questions can reduce distress.

🖍️ Inability to communicate therefore significantly predisposes critically ill patients to unrecognized pain and increased anxiety.

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Answer 7

Correct Answers:

Administer sedatives in conjunction with the neuromuscular blocking agent.

Rationale :

♠️ Cisatracurium is a neuromuscular blocking agent that produces skeletal muscle paralysis but provides no sedation, analgesia, or amnesia.

♠️ A patient receiving cisatracurium may remain conscious and aware despite being unable to move or communicate.

♠️ Adequate sedation and analgesia must therefore be provided before and during neuromuscular blockade.

♠️ Sedation helps prevent the terrifying experience of being awake while completely paralyzed.

♠️ Neuromuscular blockade may be used during intentional hypothermia to prevent shivering, which would increase metabolic demand and heat production.

♠️ The nurse should assess the adequacy of sedation using appropriate clinical monitoring because normal behavioral responses are absent during paralysis.

♠️ Mechanical ventilation and close respiratory monitoring are required because neuromuscular blockers can paralyze the respiratory muscles.

♠️ Administration of appropriate sedation with cisatracurium is therefore essential for comfort, safety, and humane care.

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Answer 8

Correct Answers:

Synchronized cardioversion

Rationale :

🧡 The patient has atrial fibrillation with rapid ventricular response and a ventricular rate of 178 beats/min, indicating significant tachyarrhythmia.

🧡 The blood pressure of 85/50 mmHg shows hemodynamic instability caused by inadequate cardiac output.

🧡 Diaphoresis and hypotension are important signs that the tachyarrhythmia is poorly tolerated and requires immediate intervention.

🧡 Synchronized cardioversion is indicated for an unstable tachyarrhythmia when the patient has a pulse.

🧡 Synchronization allows the electrical shock to be delivered with the R wave, reducing the risk of triggering ventricular fibrillation during the vulnerable repolarization period.

🧡 Cardioversion can rapidly restore a more organized rhythm and improve ventricular filling, cardiac output, and blood pressure.

🧡 Sedation should be provided before cardioversion when the patient's condition allows, but treatment should not be delayed in a severely unstable patient.

🧡 The combination of AF with RVR, hypotension, and diaphoresis therefore makes synchronized cardioversion the priority intervention.

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Answer 9

Correct Answers:

A patient with a heart rate of 50, BP 72/48 and complaining of dizziness

Rationale :

✍️ A heart rate of 50 beats/min indicates bradycardia, while a blood pressure of 72/48 mmHg demonstrates significant hemodynamic instability.

✍️ The patient's dizziness suggests decreased cerebral perfusion resulting from inadequate cardiac output.

✍️ Symptomatic bradycardia accompanied by hypotension and signs of poor perfusion requires immediate intervention.

✍️ Transcutaneous pacing (TCP) provides temporary electrical stimulation of the heart when clinically significant bradycardia is not adequately supporting circulation.

✍️ Emergency pacing is particularly important when severe symptomatic bradycardia is persistent or unresponsive to initial medication therapy, or when high-grade conduction disease makes deterioration likely.

✍️ TCP electrodes deliver electrical impulses through the chest to stimulate ventricular depolarization and mechanical contraction.

✍️ The nurse should verify both electrical capture and mechanical capture, including the presence of a corresponding pulse and improvement in blood pressure.

✍️ Analgesia and sedation should be considered when feasible because transcutaneous pacing can be painful in a conscious patient.

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Answer 10

Correct Answers:

Administer 2 units of packed red blood cells as ordered by the physician

Rationale :

🔆 The patient has significant postoperative anemia, demonstrated by a hemoglobin of 7 g/dL and hematocrit of 22%.

🔆 The sinus tachycardia of 140 beats/min is likely a compensatory response to decreased circulating red blood cells and reduced oxygen-carrying capacity, with postoperative blood loss an important concern.

🔆 Transfusion of packed red blood cells (PRBCs) increases circulating red blood cell mass and improves the blood's oxygen-carrying capacity.

🔆 The patient's heart rate of 140, borderline blood pressure of 100/60 mmHg, and recent major abdominal surgery indicate that the anemia is clinically significant and requires prompt evaluation and treatment.

🔆 PRBC administration can improve tissue oxygen delivery and help reduce compensatory tachycardia when anemia or blood loss is the underlying cause.

🔆 The nurse should also assess for evidence of ongoing postoperative hemorrhage, including increasing abdominal distention, excessive drainage, hypotension, pallor, and decreasing hemoglobin or hematocrit.

🔆 Baseline vital signs should be obtained before transfusion, and the patient should be closely monitored for a transfusion reaction, particularly during the initial portion of each unit.

🔆 Treating the underlying problem rather than attempting to suppress the compensatory sinus tachycardia makes PRBC transfusion the most appropriate choice.

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NR455 Exam 1

No.

1 :
Which of the following statements regarding pain and anxiety are true? (Select all that apply.)

2 :
Mrs. Smith is admitted with ST elevation MI. She is currently on a Nitroglycerin infusion at 6 mL/hr for chest pain. Nitroglycerin 50 mg is supplied in 250 mL of D5W. What dose of Nitroglycerin is Mrs. Smith receiving in mcg/min? (Round to the nearest tenths.)

3 :
A 54-year-old male with a history of alcohol abuse is admitted with exacerbation of congestive heart failure. His lab work reveals a serum potassium of 3.1 mEq/L and a serum magnesium of 0.08 mEq/L. The nurse knows that this patient is at risk for which life-threatening dysrhythmia?

4 :
A nurse is providing manual ventilations with a bag-valve mask. The patient has been intubated with an advanced airway. Which of the following guidelines would the nurse use?

5 :
Ms. Peters is intubated and on Propofol for sedation. Propofol 1000 mg is supplied in 100 mL of D5W. Ms. Peters weighs 68 kg. The infusion is currently at 14.3 mL/hr. What dose of Propofol is Ms. Peters receiving in mcg/kg/min? (Round to the nearest tenths.)

6 :
Which of the following factors predispose the critically ill patient to pain and anxiety? (Select all that apply.)

7 :
Your patient has been started on intentional hypothermia and is requiring a cisatracurium infusion to prevent shivering. You plan to:

8 :
A patient presents with atrial fibrillation with rapid ventricular response with a rate of 178. The patient is diaphoretic with a BP of 85/50. Which intervention would the nurse anticipate?

9 :
Which of the following patient would require emergent application of a transcutaneous pacemaker?

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NR455 Exam 1

No.

1 : Which of the following statements regarding pain and anxiety are true? (Select all that apply.)

2 : Mrs. Smith is admitted with ST elevation MI. She is currently on a Nitroglycerin infusion at 6 mL/hr for chest pain. Nitroglycerin 50 mg is supplied in 250 mL of D5W. What dose of Nitroglycerin is Mrs. Smith receiving in mcg/min? (Round to the nearest tenths.)

3 : A 54-year-old male with a history of alcohol abuse is admitted with exacerbation of congestive heart failure. His lab work reveals a serum potassium of 3.1 mEq/L and a serum magnesium of 0.08 mEq/L. The nurse knows that this patient is at risk for which life-threatening dysrhythmia?

4 : A nurse is providing manual ventilations with a bag-valve mask. The patient has been intubated with an advanced airway. Which of the following guidelines would the nurse use?

5 : Ms. Peters is intubated and on Propofol for sedation. Propofol 1000 mg is supplied in 100 mL of D5W. Ms. Peters weighs 68 kg. The infusion is currently at 14.3 mL/hr. What dose of Propofol is Ms. Peters receiving in mcg/kg/min? (Round to the nearest tenths.)

6 : Which of the following factors predispose the critically ill patient to pain and anxiety? (Select all that apply.)

7 : Your patient has been started on intentional hypothermia and is requiring a cisatracurium infusion to prevent shivering. You plan to:

8 : A patient presents with atrial fibrillation with rapid ventricular response with a rate of 178. The patient is diaphoretic with a BP of 85/50. Which intervention would the nurse anticipate?

9 : Which of the following patient would require emergent application of a transcutaneous pacemaker?

1 :
Which of the following statements regarding pain and anxiety are true? (Select all that apply.)

2 :
Mrs. Smith is admitted with ST elevation MI. She is currently on a Nitroglycerin infusion at 6 mL/hr for chest pain. Nitroglycerin 50 mg is supplied in 250 mL of D5W. What dose of Nitroglycerin is Mrs. Smith receiving in mcg/min? (Round to the nearest tenths.)

3 :
A 54-year-old male with a history of alcohol abuse is admitted with exacerbation of congestive heart failure. His lab work reveals a serum potassium of 3.1 mEq/L and a serum magnesium of 0.08 mEq/L. The nurse knows that this patient is at risk for which life-threatening dysrhythmia?

4 :
A nurse is providing manual ventilations with a bag-valve mask. The patient has been intubated with an advanced airway. Which of the following guidelines would the nurse use?

5 :
Ms. Peters is intubated and on Propofol for sedation. Propofol 1000 mg is supplied in 100 mL of D5W. Ms. Peters weighs 68 kg. The infusion is currently at 14.3 mL/hr. What dose of Propofol is Ms. Peters receiving in mcg/kg/min? (Round to the nearest tenths.)

6 :
Which of the following factors predispose the critically ill patient to pain and anxiety? (Select all that apply.)

7 :
Your patient has been started on intentional hypothermia and is requiring a cisatracurium infusion to prevent shivering. You plan to:

8 :
A patient presents with atrial fibrillation with rapid ventricular response with a rate of 178. The patient is diaphoretic with a BP of 85/50. Which intervention would the nurse anticipate?

9 :
Which of the following patient would require emergent application of a transcutaneous pacemaker?