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HESI LPN · HESI LPN Pharmacology · HESI Hematology drugs

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

Education of patients who are taking warfarin includes discussing their diet. Instructions include:

A. Avoid any food containing vitamin K.

B. Avoid foods high in vitamin K.

C. Increase intake of iron-containing foods.

D. Eat 35 grams of fiber daily.

Expert Explanatory Rationale

Correct Answer: Avoid foods high in vitamin K.

Question 2 of 5

A 50 year old male who had frequent infections of his upper respiratory tract manifested with subcutaneous petechiae over his arms and legs. Investigations revealed low haemoglobin and a dry tap marrow. The most likely condition the patient is suffering from

A. Iron deficiency anaemia

B. Megaloblastic anaemia

C. Haemolytic anaemia

D. Aplastic anaemia

Expert Explanatory Rationale

Correct Answer: Aplastic anaemia

Question 3 of 5

A patient on oral anticoagulant therapy is commenced on sulfamethoxazole-trimethoprim, double-strength twice daily. One may expect to see the INR

A. If I only is correct (Increase)

B. If III only is correct (Remain unchanged)

C. If I and II are correct (Increase and Decrease)

D. If II and III are correct (Decrease and Remain unchanged)

Expert Explanatory Rationale

Correct Answer: If I only is correct (Increase)

Question 4 of 5

Platelet aggregation is an important event in haemostasis. Which of the following statement is true for platelet aggregation in vascular injury?

A. There will be initial vasodilation

B. Clotting factors play no role in its formation

C. Platelets change their shape during the process

D. Serotonin stimulates platelet aggregation

Expert Explanatory Rationale

Correct Answer: Platelets change their shape during the process

Question 5 of 5

A skilled nursing facility patient with persistent dysphagia asks the attending nurse to crush a sustained release Theophylline tablet into his applesauce. What should be the most appropriate response?

A. Crushing this medication can cause profound hypoglycemia.

B. Crushing this medication can cause acute kidney damage like ESRD.

C. Crushing this medication can ruin your snack.

D. Crushing this medication can cause severe toxicity like respiratory arrest.

Expert Explanatory Rationale

Correct Answer: Crushing this medication can cause severe toxicity like respiratory arrest.