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Valerian tea causes relaxation and can be used to help a patient fall asleep. Overdosage of valerian (more than 2.5 gm/dose) may lead to:
- A. Cardiac disturbances
- B. Central nervous system depression
- C. Respiratory depression
- D. Skin rashes
Correct Answer: A
Rationale: Valerian overdose can cause cardiac disturbances due to its sedative effects.
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Which of the following has a stimulative effect on adrenal glands:
- A. Gonadotropins
- B. Thyrotropic hormone
- C. Adrenocorticotropic hormone
- D. Melanocyt stimulating hormone
Correct Answer: C
Rationale: Adrenocorticotropic hormone (ACTH) stimulates the adrenal glands to produce cortisol and other steroids.
A nurse is preparing to administer Haloperidol 2 mg PO every 12 hr. The amount available is haloperidol 1 mg/tablet. how many tablets should the nurse administer? (Round the answer to the nearest whole number. Do not use a trailing zero.)
- A. 2
- B. 6
- C. 1
- D. 8
Correct Answer: A
Rationale: Calculation: 2 mg ÷ 1 mg/tablet = 2 tablets, matching the provided answer.
Monitoring for a patient being prescribed iron for iron deficiency anemia includes:
- A. Reticulocyte count 1 week after therapy is started
- B. Complete blood count every 2 weeks throughout therapy
- C. Hemoglobin level at 1 week of therapy
- D. INR weekly throughout therapy
Correct Answer: A
Rationale: Reticulocyte count at 1 week assesses iron therapy response; CBC or hemoglobin checks are later, and INR is irrelevant.
Which of the following is a stimulative mechanism of insulin secretion:
- A. Hyperglicemia and decrease of intracellular ATP
- B. Increase of intracellular ATP and opening of ATP-depended K+ channels
- C. Increase of intracellular ATP and closure of ATP-depended K+ channels
- D. Closure of potential depended Ca+2 channels
Correct Answer: C
Rationale: Insulin secretion is stimulated by increased ATP closing K+ channels, depolarizing beta cells and opening Ca2+ channels.
Which drug(s) would be considered to be in the category Schedule II? (Select all that apply.)
- A. Marijuana
- B. Morphine
- C. Amphetamines
- D. Fiorinal
Correct Answer: C
Rationale: Percodan and amphetamines are Schedule II drugs with high abuse potential. Marijuana is Schedule I, Fiorinal is Schedule III.