Nokea
The rotavirus vaccine (RotaTeq, Rotarix):
- A. Is a live vaccine that replicates in the small intestine, providing active immunity against rotavirus
- B. Should not be given to infants who are or may be potentially immunocompromised
- C. Is not given to an infant who has a febrile illness (temperature greater than 100.5°F)
- D. All of the above
Correct Answer: D
Rationale: All are true: rotavirus vaccine is live , contraindicated in immunocompromise , and deferred with fever .
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Mafenide acetate (Sulfamylon) is prescribed for the client with a burn injury. When applying the medication, the client complains of local discomfort and burning. Which of the following is the most appropriate nursing action?
- A. Notifying the registered nurse
- B. Discontinuing the medication
- C. Informing the client that this is normal
- D. Applying a thinner film than prescribed to the burn site
Correct Answer: C
Rationale: Mafenide acetate is bacteriostatic for gram-negative and gram-positive organisms and is used to treat burns to reduce bacteria present in avascular tissues. The client should be informed that the medication will cause local discomfort and burning and that this is a normal reaction; therefore options 1, 2, and 4 are incorrect.
A 49-year-old woman with a history of hypertension is treated with spironolactone. She has good blood pressure control and in the last 6 months has shown an improvement in her hirsutism. What is the most likely explanation for these findings?
- A. Androgen receptor inhibition of the hair follicle
- B. Drug toxicity
- C. Hypoaldosteronism
- D. Testosterone levels are elevated
Correct Answer: A
Rationale: Spironolactone's anti-androgenic effects inhibit androgen receptors, reducing hirsutism, alongside its aldosterone antagonism for hypertension.
Newborns are at risk for early vitamin K deficiency bleeding and the American Academy of Pediatrics recommends that all newborns receive:
- A. IM vitamin K (phytonadione) within 24 hours of birth
- B. Oral vitamin K supplementation in the first 3 weeks of life
- C. Formula containing vitamin K or breast milk
- D. Oral vitamin K in the first 24 hours after birth
Correct Answer: A
Rationale: IM vitamin K is standard to prevent vitamin K deficiency bleeding in newborns.
Following are the sign and symptoms of acute morphine poisoning EXCEPT
- A. Respiratory depression with shallow breathing
- B. Hyperthermia
- C. Pin-point pupil
- D. Hypotension
Correct Answer: B
Rationale: Acute morphine poisoning typically causes respiratory depression, miosis (pin-point pupils), and hypotension, but hypothermia, not hyperthermia, is common due to opioid-induced CNS depression.
Martin is a 60-year-old patient with hypertension. The first-line decongestant to prescribe would be:
- A. Oral pseudoephedrine
- B. Oral phenylephrine
- C. Nasal oxymetazoline
- D. Nasal azelastine
Correct Answer: C
Rationale: Nasal oxymetazoline , a topical decongestant, has less systemic effect on blood pressure than oral options ; azelastine is an antihistamine.