Nokea
The following drug is used for diabetic coma:
- A. Glibenclamid
- B. Long acting insulin preparations
- C. The rapid and intermediate acting insulin preparations
- D. Metformin
Correct Answer: C
Rationale: Rapid and intermediate-acting insulins are used to quickly correct hyperglycemia in diabetic coma.
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When prescribing Adderall (amphetamine and dextroamphetamine) to adults with ADHD the nurse practitioner will need to monitor:
- A. Blood pressure
- B. Blood glucose levels
- C. Urine ketone levels
- D. Liver function
Correct Answer: A
Rationale: Adderall increases blood pressure, requiring monitoring.
Cruciferous vegetables may alter drug pharmacokinetics by:
- A. Enhancing absorption of weakly acidic drugs
- B. Altering CYP 3A4 activity, leading to elevated levels of drugs, such as the statins
- C. Inducing CYP 1A2, possibly leading to therapeutic failure of drugs metabolized by CYP 1A2
- D. Decreasing first-pass metabolism of drugs
Correct Answer: C
Rationale: Cruciferous vegetables (e.g., broccoli) induce CYP1A2, accelerating metabolism of drugs like theophylline, potentially reducing efficacy.
Choose an antihypertensive agent that is most likely to produce tachycardia, fluid retention and hirsutism?
- A. Captopril
- B. Guanethidine
- C. Minoxidil
- D. Prazosin
Correct Answer: C
Rationale: Minoxidil causes reflex tachycardia, fluid retention, and hirsutism.
Glucocorticoids enhance:
- A. Inhibition of phospholipase A2 in leukocytes with stimulation of annexin synthesis
- B. Decrease of thrombocyte activating factor via inhibition of 5 lipooxigenase
- C. Inhibition of leukotriene synthesis and decrease of lyso-glycerilphosphorilcholine production
- D. inhibition of prostaglandin synthesis via blocking 12 lypooxigenase
Correct Answer: A
Rationale: Glucocorticoids inhibit phospholipase A2, reducing inflammatory mediators by stimulating annexin (lipocortin) synthesis.
Most common indication for therapeutic monitoring of plasma levels of a drug is
- A. Hit & run drugs
- B. Drugs with irreversible action
- C. Narrow therapeutic range
- D. Failure of response
Correct Answer: C
Rationale: Drugs with a narrow therapeutic range (e.g., digoxin) require monitoring to avoid toxicity.