Nokea
One barrier to use of the Internet for both prescribing and for patient teaching is:
- A. Lack of free public access to the Internet
- B. Age, with older adults rarely understanding how to use a computer
- C. Web pages and hyperlinks may change, be deleted, or be replaced
- D. Few Web sites with information about drugs are free
Correct Answer: C
Rationale: Changing or deleted web content is a barrier to reliable online information use.
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A young adult female who is taking metronidazole (Flagyl) to treat trichomoniasis calls the nurse to report severe headache, flushing, palpitations, cramping, and nausea. What will the nurse do next?
- A. Ask about alcohol consumption
- B. Reassure her that these are harmless side effects
- C. Tell her that this signals a worsening of her infection
- D. Tell her to go to the emergency department immediately
Correct Answer: A
Rationale: Metronidazole with alcohol causes a disulfiram-like reaction (symptoms listed); it's not infection worsening or harmless . Patients who are taking metronidazole can experience a disulfiram-like reaction when they drink alcohol.
Isotonic lactated Ringer's solution is indicated in all of the following conditions EXCEPT:
- A. Dehydration
- B. Liver diseases
- C. Acute blood loss
- D. Lower GIT fluid loss
Correct Answer: B
Rationale: Lactated Ringer's can exacerbate liver disease due to impaired lactate metabolism.
Which of the following is the longest acting newer antihistamine:
- A. Mequitazine
- B. Loratidine
- C. Astemizole
- D. Terfenadine
Correct Answer: C
Rationale: Astemizole has the longest duration among listed antihistamines.
Drugs mostly cross biological membranes by
- A. Passive diffusion
- B. Active diffusion
- C. Active transport
- D. Carrier mediated transport
Correct Answer: A
Rationale: Most drugs cross membranes via passive diffusion based on concentration gradients.
Which of the following is an insulin effect in the liver:
- A. Inhibition of glycogenolisis
- B. Inhibition of glycolysis
- C. Decrease of glycogenesis
- D. Decreases of pyruvatkinase, phosphofructokinase and glucokinase activity
Correct Answer: A
Rationale: Insulin inhibits glycogenolysis in the liver, promoting glucose storage as glycogen rather than its breakdown.