CMSRN Trivia 2

Question 1

Which laboratory value is the best indicator of a patient's nutritional status over the past 3 weeks?

Accepted Answer

Albumin

Answer

Albumin has a half-life of approximately 20 days, making it the best marker of nutritional status over a 3-week period.

Question 2

A patient is prescribed heparin infusion. Which antidote should the nurse have readily available?

Accepted Answer

Protamine sulfate

Answer

Protamine sulfate is the specific antidote for heparin overdose, neutralizing its anticoagulant effect.

Question 3

What is the most common site for a pulmonary embolism to originate?

Accepted Answer

Deep veins of the lower extremities

Answer

The majority of pulmonary emboli originate from deep vein thromboses in the lower extremities.

Question 4

Which Glasgow Coma Scale score indicates severe brain injury?

Accepted Answer

3-8

Answer

A GCS score of 3-8 indicates severe brain injury and is commonly associated with coma.

Question 5

A patient with chronic kidney disease has a serum potassium of 6.2 mEq/L. Which ECG change is the nurse most likely to observe first?

Accepted Answer

Peaked T waves

Answer

Peaked T waves are the earliest ECG manifestation of hyperkalemia, preceding more dangerous changes.

CMSRN - Medical-Surgical Nursing Practice Test