Nokea
Beta-blockers - aside from their cardiovascular indications - are also used in the treatment of which condition?
- A. Gout
- B. Glaucoma
- C. Reynaud's phenomenon
- D. Asthma
Correct Answer: B
Rationale: Beta-blockers (e.g., timolol) are used in glaucoma to reduce intraocular pressure.
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A patient arrives at the health care clinic and informs the nurse that he has consumed several aspirin tablets for a severe headache over the past 24 hours. The nurse would be alert for which of the following as a harmful effect?
- A. Gastrointestinal bleeding
- B. Breathing difficulties
- C. Visual disturbances
- D. Loss of balance
Correct Answer: A
Rationale: Aspirin is potentially harmful and can cause gastrointestinal bleeding and salicylism. Breathing difficulties, visual disturbances, and loss of balance could be due to an illness or the effects of some other drug.
For patients taking warfarin, INRs are best drawn:
- A. Monthly throughout therapy
- B. Three times a week throughout therapy
- C. Two hours after the last dose of warfarin to get an accurate peak level
- D. In the morning if the patient takes their warfarin at night
Correct Answer: D
Rationale: Morning INR aligns with evening warfarin dosing for consistent monitoring; monthly is typical later, not peak-driven .
Which of the following is a representative of sulfonylurea?
- A. Metformin
- B. Sitagliptine
- C. Acarbose
- D. Chlorpropamide
Correct Answer: D
Rationale: Chlorpropamide is a sulfonylurea that stimulates insulin release from pancreatic beta cells.
Which of the following is CORRECT about aspirin poisoning?
- A. Is rarely seen in cases of chronic use
- B. It does not affect body temperature
- C. It is treated by administration of intravenous sodium bicarbonate
- D. The earliest sign is hypoventilation
Correct Answer: C
Rationale: Sodium bicarbonate enhances aspirin excretion by alkalinizing urine.
Janice has elevated LDL, VLDL, and triglyceride levels. Niaspan, an extended-release form of niacin, is chosen to treat her hyperlipidemia. Due to its metabolism and excretion, which of the following laboratory results should be monitored?
- A. Serum alanine aminotransferase
- B. Serum amylase
- C. Serum creatinine
- D. Phenylketonuria
Correct Answer: A
Rationale: Niacin can cause hepatotoxicity, requiring ALT monitoring.