Question

After defibrillation and two rounds of epinephrine, the client remains in V-fib. What is the next medication likely to be given?

Answer 1

Correct Answers:

Amiodarone 300 mg IV

Rationale :

❤️ Persistent ventricular fibrillation after defibrillation and epinephrine requires an antiarrhythmic medication.

❤️ Amiodarone 300 mg IV/IO is commonly given for shock-refractory V-fib or pulseless ventricular tachycardia.

❤️ It helps stabilize the cardiac rhythm by affecting potassium, sodium, and calcium channels.

❤️ The goal is to improve the chance of converting the rhythm after continued CPR and defibrillation.

❤️ The nurse should continue high-quality CPR, rhythm checks, defibrillation, and medication administration according to the cardiac arrest algorithm.

Dopamine

❤️ Dopamine is used for hypotension or shock after return of spontaneous circulation.

❤️ It is not the next medication for persistent V-fib during cardiac arrest.

Atropine

❤️ Atropine is used for symptomatic bradycardia.

❤️ It is not used to treat V-fib.

Naloxone

❤️ Naloxone reverses opioid overdose.

❤️ It does not treat shock-refractory ventricular fibrillation.

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Answer 2

Correct Answers:

Pharmacokinetics affects how the drug moves through the body, while pharmacodynamics determines how the drug acts on the body.

Rationale :

🔷 Pharmacokinetics refers to what the body does to the drug, including absorption, distribution, metabolism, and excretion.

🔷 This concept helps the nurse understand how quickly a medication enters the bloodstream, how it is transported, how it is broken down, and how it leaves the body.

🔷 Pharmacodynamics refers to what the drug does to the body, including its therapeutic effect, mechanism of action, and adverse effects.

🔷 For example, pharmacokinetics explains how long a drug stays active, while pharmacodynamics explains how the drug lowers blood pressure, reduces pain, or relaxes bronchial muscles.

🔷 Understanding both concepts helps nurses give medications safely, monitor expected responses, and recognize toxicity or ineffective therapy early.

“Pharmacokinetics determines drug cost, while pharmacodynamics determines side effects.”

🔷 Drug cost is related to pharmacy pricing, insurance, and availability, not pharmacokinetics.

🔷 Pharmacodynamics may include side effects, but the statement gives an incorrect definition of pharmacokinetics.

“Pharmacokinetics determines drug action; pharmacodynamics determines drug movement.”

🔷 This statement reverses the two concepts.

🔷 Pharmacokinetics is drug movement through the body, while pharmacodynamics is drug action on the body.

“Pharmacodynamics and pharmacokinetics are unrelated concepts.”

🔷 These two concepts are closely connected because drug movement affects drug response.

🔷 A medication must reach the correct site in the correct amount before it can produce the desired therapeutic effect.

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Answer 3

Correct Answers:

"I'll store the tablets in a dark container away from heat and light."

Rationale :

💎 Sublingual nitroglycerin is highly sensitive to light, heat, moisture, and air exposure, which can reduce its potency.

💎 The medication should be kept in its original dark glass container with the cap tightly closed to protect it from environmental breakdown.

💎 It should not be transferred to another bottle, purse container, or weekly pill organizer because exposure can make the tablets ineffective.

💎 This is especially important because nitroglycerin is used for acute angina relief, and an ineffective tablet may delay treatment during chest pain.

💎 Proper storage ensures the medication remains strong enough to dilate coronary blood vessels and improve oxygen supply to the heart.

“I will keep it in my bathroom cabinet.”

💎 Bathroom cabinets expose medications to humidity and temperature changes, especially from showers and sinks.

💎 Moisture can weaken nitroglycerin tablets and reduce their ability to relieve chest pain quickly.

“I can keep it in my weekly pill organizer.”

💎 Weekly pill organizers expose nitroglycerin to air and light, which can decrease medication potency.

💎 Nitroglycerin should remain in the original dark container because the container is specifically designed to protect the drug.

“I will crush the tablets and mix them with food.”

💎 Sublingual nitroglycerin must be placed under the tongue so it can absorb rapidly through the oral mucosa.

💎 Crushing it or mixing it with food delays absorption and prevents the quick relief needed during angina.

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Answer 4

Correct Answers:

125

Rationale :

✍️Formula

📌Total volume ÷ total time = mL/hr

📌The provider prescribed 1000 mL of 0.9% normal saline

📌To infuse over 8 hours

📌1000 ÷ 8.

✍️ 125 mL/hr

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Answer 5

Correct Answers:

13

Rationale :

🔶First calculate the ordered dose: 5 mcg/kg/min × 70 kg = 350 mcg/min

🔶Next convert the dose to an hourly amount: 350 mcg/min × 60 min = 21,000 mcg/hr

🔶Convert micrograms to milligrams: 21,000 mcg = 21 mg/hr

🔶Determine the medication concentration: 400 mg ÷ 250 mL = 1.6 mg/mL

🔶21 mg/hr ÷ 1.6 mg/mL

✍️ 13.125 mL/hr,

✍️ 13 mL/hr

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Answer 6

Correct Answers:

SABA then ICS

Rationale :

🟣 The short-acting beta agonist, such as albuterol, should be administered first because it rapidly relaxes bronchial smooth muscle and opens the airways.

🟣 Once the bronchi are dilated, the inhaled corticosteroid, such as fluticasone, can move deeper into the lungs and work more effectively.

🟣 Fluticasone helps reduce airway inflammation, swelling, and mucus production, but it does not provide immediate relief during bronchospasm.

🟣 Giving the bronchodilator first improves medication delivery and supports better control of asthma symptoms.

🟣 The client should also rinse the mouth after using the corticosteroid to reduce the risk of oral candidiasis.

ICS then SABA.

🟣 Giving the inhaled corticosteroid first does not rapidly open constricted airways.

🟣 If the airways remain narrowed, less medication may reach the lower respiratory tract.

ICS only.

🟣 An inhaled corticosteroid is used for long-term asthma control, not immediate rescue treatment.

🟣 The client still needs a SABA for quick relief of acute wheezing, chest tightness, or shortness of breath.

Either order.

🟣 The order matters because airway dilation improves delivery of the second inhaled medication.

🟣 Random medication order may reduce the effectiveness of the corticosteroid.

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Answer 7

Correct Answers:

"This medication may mask signs of low blood sugar, so monitor your glucose closely."

Rationale :

⭐ Metoprolol is a beta blocker that can reduce the usual adrenergic warning signs of hypoglycemia, especially tachycardia, palpitations, and tremors.

⭐ This is important because the client already reports symptoms such as shakiness and rapid heartbeat when blood glucose is low, and these symptoms may become less noticeable after starting metoprolol.

⭐ Hypoglycemia can still occur even when warning symptoms are masked, so the client should perform regular blood glucose monitoring as directed.

⭐ The nurse should also teach the client to watch for other signs of low blood sugar, such as sweating, confusion, hunger, headache, weakness, or blurred vision.

⭐ This priority teaching helps prevent delayed recognition of hypoglycemia and reduces the risk of severe complications such as loss of consciousness or seizures.

“You can stop your diabetes medication once you start this drug.”

⭐ Metoprolol treats blood pressure and heart rate control, not diabetes.

⭐ Stopping diabetes medication can cause hyperglycemia and poor long-term glucose control.

“You only need to monitor your blood pressure while taking this medication.”

⭐ Blood pressure monitoring is important, but it is incomplete teaching for a diabetic client taking a beta blocker.

⭐ The priority concern is that hypoglycemia may be harder to recognize, making glucose monitoring essential.

“You should increase your sugar intake while taking this medication.”

⭐ Increasing sugar intake routinely can worsen diabetes control and increase blood glucose levels.

⭐ The client should follow the prescribed diabetic meal plan and treat low blood sugar only when it occurs.

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Answer 8

Correct Answers:

"You should avoid consuming grapefruit or grapefruit juice while taking atorvastatin."

Rationale :

🔵 Grapefruit and grapefruit juice can interfere with the intestinal enzyme system that helps metabolize atorvastatin.

🔵 When this metabolism is inhibited, atorvastatin levels can increase in the bloodstream.

🔵 Elevated statin levels increase the risk for myopathy, muscle pain, liver enzyme elevation, and rhabdomyolysis.

🔵 The nurse should teach the client to avoid grapefruit products unless the provider specifically says they are safe.

🔵 This instruction is important because preventing drug-food interactions improves medication safety and reduces the risk of serious toxicity.

“Grapefruit can reduce the side effects of atorvastatin.”

🔵 Grapefruit does not reduce atorvastatin side effects.

🔵 It can increase atorvastatin concentration and raise the risk of muscle and liver-related adverse effects.

“You should consume grapefruit in moderation, as it does not significantly interact with atorvastatin.”

🔵 Grapefruit can significantly interact with atorvastatin by increasing drug levels.

🔵 Even moderate intake may be unsafe depending on the client’s metabolism and dose.

“Grapefruit will help increase the effectiveness of atorvastatin.”

🔵 Higher atorvastatin levels do not mean safer or better cholesterol control.

🔵 Increased drug concentration can lead to toxicity rather than therapeutic benefit.

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Answer 9

Correct Answers:

Hold the medication and assess for rhabdomyolysis.

Rationale :

🔴 Muscle pain with dark urine in a client taking atorvastatin is a serious warning sign of possible rhabdomyolysis.

🔴 Rhabdomyolysis occurs when skeletal muscle breaks down and releases myoglobin into the bloodstream.

🔴 Myoglobin can obstruct renal tubules and cause acute kidney injury, making this finding a priority.

🔴 The nurse should hold the medication, assess symptoms, notify the provider, and anticipate laboratory testing such as creatine kinase, serum creatinine, BUN, potassium, and urinalysis.

🔴 Early recognition and intervention are essential to prevent worsening muscle injury, electrolyte imbalance, and renal failure.

Advise taking the medication with food.

🔴 Taking atorvastatin with food may reduce mild stomach upset, but it does not treat muscle breakdown.

🔴 This response delays urgent assessment of a potentially life-threatening adverse reaction.

Encourage hydration to reduce symptoms.

🔴 Hydration may be part of treatment once rhabdomyolysis is confirmed or suspected, but it is not the best independent first response.

🔴 The priority is to hold the statin and assess for muscle injury and kidney involvement.

Educate about the importance of exercise.

🔴 Exercise is not appropriate teaching when the client has muscle pain and dark urine.

🔴 Continued physical exertion may worsen muscle breakdown if rhabdomyolysis is present.

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Answer 10

Correct Answers:

Metoprolol and amlodipine

Rationale :

🟠 Metoprolol is a beta blocker that decreases heart rate, myocardial contractility, and conduction through the heart.

🟠 Amlodipine is a calcium channel blocker that lowers blood pressure by relaxing vascular smooth muscle and can contribute to cardiovascular depression when combined with other antihypertensives.

🟠 Using these medications together increases the risk for bradycardia, hypotension, dizziness, fatigue, and syncope, especially in older adults or clients with cardiac conduction problems.

🟠 The nurse should monitor the client’s apical pulse, blood pressure, symptoms of weakness, and signs of poor perfusion before and during therapy.

🟠 This combination creates the greatest risk among the listed medication pairs because both can affect cardiovascular function and reduce hemodynamic stability.

Lisinopril and furosemide.

🟠 This combination can increase the risk of hypotension, dehydration, and electrolyte changes, especially potassium imbalance.

🟠 It is not the greatest risk for severe bradycardia because neither medication primarily slows heart rate.

Atorvastatin and omeprazole.

🟠 Atorvastatin is used for cholesterol management, and omeprazole reduces gastric acid production.

🟠 These medications do not primarily depress cardiac conduction or significantly slow the heart rate.

Hydralazine and aspirin.

🟠 Hydralazine is a vasodilator that may actually cause reflex tachycardia rather than bradycardia.

🟠 Aspirin affects platelet aggregation and does not directly slow the heart rate.

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QLexNursing

1 :
After defibrillation and two rounds of epinephrine, the client remains in V-fib. What is the next medication likely to be given?

2 :
Which statement best summarizes the relationship between pharmacodynamics and pharmacokinetics?

3 :
A nurse is teaching a client about the proper storage of sublingual nitroglycerin. Which statement indicates understanding?

4 :
A provider prescribes 0.9% normal saline (NS) 1000 mL IV to infuse over 8 hours using an infusion pump. What is the correct infusion rate in mL/hr? (Record your answer as a whole number.)

6 :
A patient with asthma is prescribed albuterol (SABA) and fluticasone (ICS). What is the correct order?

8 :
A nurse is educating a client who is prescribed atorvastatin for hyperlipidemia. Which of the following should the nurse teach the client regarding grapefruit consumption?

9 :
A patient on atorvastatin reports muscle pain and dark urine. What is the nurse's best action?

10 :
Which combination of medications would put a client at greatest risk for severe bradycardia?

QLexNursing

1 : After defibrillation and two rounds of epinephrine, the client remains in V-fib. What is the next medication likely to be given?

2 : Which statement best summarizes the relationship between pharmacodynamics and pharmacokinetics?

3 : A nurse is teaching a client about the proper storage of sublingual nitroglycerin. Which statement indicates understanding?

4 : A provider prescribes 0.9% normal saline (NS) 1000 mL IV to infuse over 8 hours using an infusion pump. What is the correct infusion rate in mL/hr? (Record your answer as a whole number.)

6 : A patient with asthma is prescribed albuterol (SABA) and fluticasone (ICS). What is the correct order?

8 : A nurse is educating a client who is prescribed atorvastatin for hyperlipidemia. Which of the following should the nurse teach the client regarding grapefruit consumption?

9 : A patient on atorvastatin reports muscle pain and dark urine. What is the nurse's best action?

10 : Which combination of medications would put a client at greatest risk for severe bradycardia?

1 :
After defibrillation and two rounds of epinephrine, the client remains in V-fib. What is the next medication likely to be given?

2 :
Which statement best summarizes the relationship between pharmacodynamics and pharmacokinetics?

3 :
A nurse is teaching a client about the proper storage of sublingual nitroglycerin. Which statement indicates understanding?

4 :
A provider prescribes 0.9% normal saline (NS) 1000 mL IV to infuse over 8 hours using an infusion pump. What is the correct infusion rate in mL/hr? (Record your answer as a whole number.)

6 :
A patient with asthma is prescribed albuterol (SABA) and fluticasone (ICS). What is the correct order?

8 :
A nurse is educating a client who is prescribed atorvastatin for hyperlipidemia. Which of the following should the nurse teach the client regarding grapefruit consumption?

9 :
A patient on atorvastatin reports muscle pain and dark urine. What is the nurse's best action?

10 :
Which combination of medications would put a client at greatest risk for severe bradycardia?