Nokea
In an acute attack of migraine, the drug of choice is
- A. Ergotamine tartrate
- B. Methysergide
- C. Propranolol
- D. Caffeine
Correct Answer: A
Rationale: Ergotamine tartrate is the drug of choice for acute migraine.
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Candesartan and irbesartan are angiotensin receptor blockers that are used to treat hypertension. The therapeutic dose range for candesartan is 4 to 32 mg, as compared to 75 to 300 mg for irbesartan. which of the following regarding this statement is correct?
- A. Candesartan is more potent than is irbesartan
- B. Candesartan and irbesartan have different efficacy
- C. Candesartan is a non competitive antagonist for irbesartan
- D. Irbesartan is a competitive antagonist for candesartan
Correct Answer: A
Rationale: Lower dose range for candesartan indicates higher potency (lower EC50) compared to irbesartan.
True contraindications to diphtheria, tetanus, and acellular pertussis (DTaP or Tdap) vaccine include:
- A. Fever up to 104°F (40.5°C) after previous DTaP vaccine
- B. Family history of seizures after DTaP vaccine
- C. Adolescent pregnancy
- D. Anaphylactic reaction with a previous dose
Correct Answer: D
Rationale: Anaphylaxis is a true contraindication to DTaP/Tdap; fever , family history , or pregnancy are not.
The Vaccine Adverse Events Reporting System is:
- A. A mandatory reporting system for all health-care providers when they encounter an adverse vaccine event
- B. A voluntary reporting system that health-care providers or consumers may use to report vaccine adverse events
- C. Utilized to send out safety alerts regarding emerging vaccine safety issues
- D. Activated when a vaccine has been proven to cause significant adverse effects
Correct Answer: B
Rationale: VAERS is a voluntary system for reporting vaccine ADRs by providers or consumers, not mandatory or alert-only .
Which of the following drugs is used to accelerate pulmonary maturation in the fetus in women with premature labor?
- A. Aminoglutethimide
- B. Betamethasone
- C. Mifepristone
- D. Misoprostol
Correct Answer: B
Rationale: Betamethasone, a glucocorticoid, is administered to enhance fetal lung maturation by stimulating surfactant production in preterm labor.
A nurse is preparing to administer Propranolol to a client who has a dysrhythmia. Which of the following actions should the nurse plan to take?
- A. Hold propranolol for an apical pulse greater than 100/min.
- B. Administer propranolol to increase the client's blood pressure.
- C. Assist the client when she sits up or stands after taking this medication.
- D. Check for hypokalemia frequently due to the risk for propranolol toxicity.
Correct Answer: C
Rationale: Propranolol can cause orthostatic hypotension; assisting with position changes prevents falls.