Nokea
Which of the following are poorly perfused tissues?
- A. Heart
- B. Brain
- C. Liver
- D. Kidneys
Correct Answer: B
Rationale: This appears to be a trick question; heart, brain, liver, and kidneys are well-perfused. Assuming intent was poorly perfused, none fit, but B (Brain) is least correct here as it's well-perfused.
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A nurse is teaching a client who has a new prescription for Baclofen to treat muscle spasms. Which of the following statements by the client indicates an understanding of the teaching?(Select one that does not apply.)
- A. I will stop taking this medication right away if I develop dizziness.
- B. I know the doctor will gradually increase my dose of this medication for a while.
- C. I should increase fiber to prevent constipation from this medication.
- D. I won't be able to drink alcohol while I'm taking this medication.
Correct Answer: A
Rationale: Gradual dosing , fiber for constipation , and no alcohol reflect baclofen teaching; stopping for dizziness is incorrect.
What is the role of calcium supplements when patients take bisphosphonates?
- A. They must be restricted to allow the medication to work
- B. They must be taken in sufficient amounts to provide foundational elements for bone growth
- C. They must be taken at the same time as the bisphosphonates
- D. They only work with bisphosphonates if daily intake is restricted
Correct Answer: B
Rationale: Calcium supports bone health with bisphosphonates but must be timed separately (not C) to avoid interference.
Flushing occurs when alcohol is taken along with
- A. Phenformin
- B. Chlorpropamide
- C. Glibenclamide
- D. Tolbutamide
Correct Answer: B
Rationale: Chlorpropamide causes a disulfiram-like reaction with alcohol, leading to flushing.
The American Heart Association and the American Dietetic Association recommend a minimum daily fiber intake of for cardiovascular health:
- A. 10 mg/day
- B. 15 mg/day
- C. 20 mg/day
- D. 25 mg/day
Correct Answer: D
Rationale: 25 g/day of fiber is recommended to reduce cardiovascular risk by lowering cholesterol and improving glucose control.
All of the following statements about efficacy and potency are true EXCEPT:
- A. Efficacy is usually a more important clinical consideration than potency
- B. Efficacy is the maximum effect of a drug
- C. Potency is a comparative measure, refers to the different doses of two drugs that are needed to produce the same effect
- D. The ED50 is a measure of drug's efficacy
Correct Answer: D
Rationale: ED50 measures potency (dose for 50% effect), not efficacy (maximal effect).