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HESI LPN · HESI LPN Medical Surgical Nursing · LPN Physical Exam Cardiovascular System

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

The client on digoxin has a potassium level of 3.0 mEq/L. What is the nurse's priority action?

A. Administer a potassium supplement

B. Hold the digoxin and notify the healthcare provider

C. Continue the current digoxin dose

D. Administer Digibind

Correct Answer: Hold the digoxin and notify the healthcare provider

Question 2 of 5

The nurse is administering digoxin to a client. What is the most important parameter to check before administration?

A. Heart rate

B. Blood pressure

C. Respiratory rate

D. Oxygen saturation

Correct Answer: Heart rate

Question 3 of 5

What test measures the electrical activity of the heart and can detect heart rhythm problems?

A. Electrocardiogram (ECG or EKG)

B. Chest X-ray

C. MRI

D. CT scan

Correct Answer: Electrocardiogram (ECG or EKG)

Question 4 of 5

Which neurotransmitter released by the parasympathetic nervous system can decrease heart rate?

A. Acetylcholine

B. Norepinephrine

C. Dopamine

D. Serotonin

Correct Answer: Acetylcholine

Question 5 of 5

State the Indications and Modes of Mechanical Ventilation.

A. Respiratory failure

B. ARDS

C. Both A and B

D. None of the above

Correct Answer: Both A and B

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