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HESI LPN · HESI LPN Pharmacology · HESI Hematological drugs

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

Which of the following biochemical cofactors can decrease the effectiveness of warfarin due to structure very

A. CoQ-10

B. Resveratrol

C. Glucosamine

D. Coumarine

Expert Explanatory Rationale

Correct Answer: CoQ-10

Question 2 of 5

To avoid a theophylline toxicity in her patients, a nurse should decrease the dosage of this medication when administering it concurrently with which of the following medications?

A. Cimetidine, ciprofloxacin, and other fluoroquinolone antibiotics

B. Phenobarbital, phenytoin, and rifampin

C. Albuterol and TCAs

D. None of the listed drugs pose a risk when taken simultaneously with methylxanthines

Expert Explanatory Rationale

Correct Answer: Cimetidine, ciprofloxacin, and other fluoroquinolone antibiotics

Question 3 of 5

Which of the following will be present in chronic bacterial infection?

A. Neutrophilia

B. Basophilia

C. Lymphocytosis

D. Eosinophilia

Expert Explanatory Rationale

Correct Answer: Neutrophilia

Question 4 of 5

The nurse is reviewing new medication orders for a patient who has an epidural catheter for pain relief. One of the orders is for enoxaparin (Lovenox), a low-molecular-weight heparin (LMWH). What is the nurse's priority action?

A. Stop the epidural pain medication, and then administer the LMWH

B. Contact the prescriber because the LMWH cannot be given if the patient has an epidural catheter.

C. Double-check the LMWH order with another nurse, and then administer as ordered

D. Give the LMWH as ordered.

Expert Explanatory Rationale

Correct Answer: Contact the prescriber because the LMWH cannot be given if the patient has an epidural catheter.

Question 5 of 5

The most definite beneficial results are obtained in the use of anticoagulants for the following purpose

A. Prevention of recurrences of myocardial infarction

B. Prevention of venous thrombosis and pulmonary embolism

C. Cerebrovascular accident

D. Retinal artery thrombosis

Expert Explanatory Rationale

Correct Answer: Prevention of venous thrombosis and pulmonary embolism

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