Study 4 quizzes free—no account needed. 2 more quizzes to explore.

Drug Interactions, Lab Monitoring & Medication Safety – Quiz 7

Question 1 of 30

A nurse should question which medication combination?

Select one answer.

Review all questions in this quiz

Drug Interactions, Lab Monitoring & Medication Safety – Quiz 7 Practice Questions

Review these Drug Interactions, Lab Monitoring & Medication Safety – Quiz 7 nursing practice questions with answer choices and explanations.

Question 1

A nurse should question which medication combination?

  1. Warfarin and aspirin
  2. Insulin and glucose
  3. Metformin and insulin
  4. Penicillin and acetaminophen
View answer and explanation

Correct answer:

  1. Warfarin and aspirin

Explanation: Warfarin and aspirin both increase bleeding risk.

Question 2

A client taking digoxin has a potassium level of 2.9 mEq/L. What is the priority action?

  1. Administer digoxin
  2. Hold digoxin and notify provider
  3. Give potassium later
  4. Recheck in 24 hours
View answer and explanation

Correct answer:

  1. Hold digoxin and notify provider

Explanation: Low potassium increases risk of digoxin toxicity.

Question 3

Which medication interaction can cause severe hypotension?

  1. Nitrates and sildenafil
  2. Insulin and metformin
  3. Aspirin and ibuprofen
  4. Antibiotics and antacids
View answer and explanation

Correct answer:

  1. Nitrates and sildenafil

Explanation: This combination causes dangerous drop in blood pressure.

Question 4

Which lab value indicates warfarin toxicity?

  1. INR 1.0
  2. INR 2.5
  3. INR 5.0
  4. INR 1.5
View answer and explanation

Correct answer:

  1. INR 5.0

Explanation: High INR indicates increased bleeding risk.

Question 5

A nurse should hold which medication if potassium is 5.8 mEq/L?

  1. Furosemide
  2. Spironolactone
  3. Hydrochlorothiazide
  4. Mannitol
View answer and explanation

Correct answer:

  1. Spironolactone

Explanation: Spironolactone causes potassium retention.

Question 6

Which medication should be held before surgery?

  1. Warfarin
  2. Insulin
  3. Metformin
  4. Antibiotics
View answer and explanation

Correct answer:

  1. Warfarin

Explanation: Warfarin increases bleeding risk.

Question 7

Which medication should not be taken with grapefruit juice?

  1. Simvastatin
  2. Metformin
  3. Insulin
  4. Warfarin
View answer and explanation

Correct answer:

  1. Simvastatin

Explanation: Grapefruit increases statin levels.

Question 8

A nurse identifies a medication error. What is the first action?

  1. Report to supervisor
  2. Document incident
  3. Assess the client
  4. Notify provider
View answer and explanation

Correct answer:

  1. Assess the client

Explanation: Patient safety is priority—assess first.

Question 9

Which medication is contraindicated in asthma?

  1. Propranolol
  2. Albuterol
  3. Montelukast
  4. Prednisone
View answer and explanation

Correct answer:

  1. Propranolol

Explanation: Beta blockers can cause bronchospasm.

Question 10

Which medication should be avoided in renal failure?

  1. Metformin
  2. Insulin
  3. Aspirin
  4. Warfarin
View answer and explanation

Correct answer:

  1. Metformin

Explanation: Risk of lactic acidosis.

Question 11

Which medication requires avoiding dairy products?

  1. Tetracycline
  2. Penicillin
  3. Metformin
  4. Insulin
View answer and explanation

Correct answer:

  1. Tetracycline

Explanation: Calcium decreases absorption.

Question 12

A nurse should hold metoprolol for which finding?

  1. Heart rate 54/min
  2. BP 130/80
  3. RR 18/min
  4. Temp 37°C
View answer and explanation

Correct answer:

  1. Heart rate 54/min

Explanation: Low heart rate indicates bradycardia.

Question 13

Which lab value requires holding heparin?

  1. aPTT normal
  2. aPTT elevated
  3. Platelets normal
  4. Sodium normal
View answer and explanation

Correct answer:

  1. aPTT elevated

Explanation: High aPTT increases bleeding risk.

Question 14

Which medication can cause QT prolongation?

  1. Macrolides
  2. Penicillin
  3. Aspirin
  4. Insulin
View answer and explanation

Correct answer:

  1. Macrolides

Explanation: Macrolides can cause arrhythmias.

Question 15

Which medication should not be crushed?

  1. Extended-release
  2. Liquid
  3. Chewable
  4. Capsule
View answer and explanation

Correct answer:

  1. Extended-release

Explanation: Alters drug release.

Question 16

Which medication requires monitoring for liver damage?

  1. Acetaminophen
  2. Insulin
  3. Metformin
  4. Warfarin
View answer and explanation

Correct answer:

  1. Acetaminophen

Explanation: High doses damage liver.

Question 17

Which medication increases potassium levels?

  1. Spironolactone
  2. Furosemide
  3. Hydrochlorothiazide
  4. Mannitol
View answer and explanation

Correct answer:

  1. Spironolactone

Explanation: Potassium-sparing diuretic.

Question 18

Which medication requires monitoring for bleeding?

  1. Warfarin
  2. Metformin
  3. Insulin
  4. Omeprazole
View answer and explanation

Correct answer:

  1. Warfarin

Explanation: Anticoagulants increase bleeding risk.

Question 19

Which medication is contraindicated in pregnancy?

  1. Isotretinoin
  2. Insulin
  3. Penicillin
  4. Acetaminophen
View answer and explanation

Correct answer:

  1. Isotretinoin

Explanation: Causes birth defects.

Question 20

Which medication should be taken on an empty stomach?

  1. Levothyroxine
  2. Ibuprofen
  3. Aspirin
  4. Iron
View answer and explanation

Correct answer:

  1. Levothyroxine

Explanation: Absorbed best on empty stomach.

Question 21

Which medication requires monitoring for hypoglycemia?

  1. Insulin
  2. Metformin
  3. Warfarin
  4. Aspirin
View answer and explanation

Correct answer:

  1. Insulin

Explanation: Insulin lowers glucose.

Question 22

Which medication is a high-alert drug?

  1. Insulin
  2. Antibiotics
  3. Antacids
  4. Antihistamines
View answer and explanation

Correct answer:

  1. Insulin

Explanation: Insulin errors can be fatal.

Question 23

Which medication can cause tendon rupture?

  1. Fluoroquinolones
  2. Penicillin
  3. Aspirin
  4. Metformin
View answer and explanation

Correct answer:

  1. Fluoroquinolones

Explanation: Risk of tendon injury.

Question 24

Which medication should be avoided in children?

  1. Aspirin
  2. Acetaminophen
  3. Ibuprofen
  4. Amoxicillin
View answer and explanation

Correct answer:

  1. Aspirin

Explanation: Reye's syndrome risk.

Question 25

Which medication requires monitoring for kidney function?

  1. NSAIDs
  2. Insulin
  3. Antibiotics
  4. Antihistamines
View answer and explanation

Correct answer:

  1. NSAIDs

Explanation: NSAIDs reduce renal perfusion.

Question 26

Which medication should be taken with food?

  1. NSAIDs
  2. Levothyroxine
  3. Omeprazole
  4. Iron
View answer and explanation

Correct answer:

  1. NSAIDs

Explanation: Reduces gastric irritation.

Question 27

Which medication may cause orthostatic hypotension?

  1. Antihypertensives
  2. Antibiotics
  3. Insulin
  4. Antacids
View answer and explanation

Correct answer:

  1. Antihypertensives

Explanation: Blood pressure drops on standing.

Question 28

Which medication requires monitoring for WBC count?

  1. Clozapine
  2. Metformin
  3. Insulin
  4. Warfarin
View answer and explanation

Correct answer:

  1. Clozapine

Explanation: Risk of agranulocytosis.

Question 29

Which medication requires INR monitoring?

  1. Warfarin
  2. Heparin
  3. Insulin
  4. Metformin
View answer and explanation

Correct answer:

  1. Warfarin

Explanation: Measures anticoagulation.

Question 30

Which medication is used to treat hypoglycemia?

  1. Glucagon
  2. Insulin
  3. Metformin
  4. Warfarin
View answer and explanation

Correct answer:

  1. Glucagon

Explanation: Raises blood glucose.