NAPLEX practice questions, page 5 of 6, with answer review and explanations.
Question 21
A 22-year-old woman adopted a cat. Shortly thereafter, she developed itchy eyes and persistent rhinorrhea. She was clearly allergic to the pet, but desperately wanted to keep it. She tried taking diphenhydramine, but it had intolerable side effects. Which of the following is a common effect of this type of medication?
Decreased intraocular pressure
Bradycardia
Xerostomia
Diarrhea
Excessive sweating
Question 22
An 18-year-old female is referred to a dermatologist for treatment of severe acne vulgaris. The dermatologist wants to start her on tetracycline. What test should the patient have prior to starting treatment?
Pregnancy test
Chest X-ray
Complete blood count
Liver function tests
Creatine kinase
Question 23
A 7-year-old boy has been suffering from influenza and had been given a drug by his father to decrease his high fever. A few hours later, his father brought him to the emergency room in a comatose state with a papulovesicular rash all over the body, moderate hepatomegaly, and asterixis. Laboratory studies reveal elevated levels of blood ammonia, AST, ALT, and PT. CT scan findings are suggestive for generalized cerebral edema. The drug the father gave his son is most likely which of the following drugs?
Aspirin
Acetaminophen
Indomethacin
Mefenamic acid
Diclofenac
Question 24
A 50-year-old female has been receiving a diuretic for the treatment of essential hypertension. This drug acts by increasing the calcium content of urine and is the drug of choice for reducing acute pulmonary edema in congestive heart failure. Its side effects include ototoxicity and hyperuricemia. What is the most likely mechanism of action of this drug?
Aldosterone receptor antagonist
Inhibition of the Na/K/2Cl cotransporter
Inhibition of carbonic anhydrase
Acts as osmotic diuretic
Blocking of the NACL cotransporter
Question 25
A 54-year-old male with a long history of mild persistent asthma on daily fluticasone therapy has been using his albuterol inhaler every day for the past month, and presents requesting a refill. What changes should be made to his current regimen?
Add ciclesonide to current regimen
Add salmeterol to current regimen
Discontinue fluticasone and instead use salmeterol
Add cromolyn to current regimen
Discontinue fluticasone and add ipratropium to current regimen