Nokea
A nurse is caring for a client who received IV Verapamil to treat supraventricular tachycardia (SVT). The client's pulse rate is now 98/min and his blood pressure is 74/44 mg hg. The nurse should anticipate a prescription for which of the following IV medications?
- A. Calcium gluconate
- B. Sodium bicarbonate
- C. Potassium chloride
- D. Magnesium sulfate
Correct Answer: A
Rationale: Calcium gluconate reverses verapamil-induced hypotension by counteracting calcium channel blockade.
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When taken with aminoglycosides, platinum chemotherapy or cyclosporin increase the risk of
- A. Kidney damage
- B. Ototoxicity
Correct Answer: A
Rationale: Platinum chemotherapy (e.g., cisplatin) and cyclosporin both potentiate aminoglycoside nephrotoxicity, increasing kidney damage risk.
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.
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.
A patient is being seen in the clinic for rheumatoid arthritis. Which of the following statements would indicate that she may be developing a complication from her rheumatoid medication, chloroquine (Aralen)?
- A. I have to urinate all the time.'
- B. Sometimes I have blurred vision.'
- C. I have tingling and numbness in my arms and legs.'
- D. Sometimes I feel like I am losing my balance when I walk.'
Correct Answer: B
Rationale: Chloroquine (Aralen) can cause ocular toxicity with blurring of vision, color vision changes, corneal damage, and blindness. Increased urination and tingling and numbness are signs of hyperkalemia and hypokalemia. Loss of balance can be caused by auditory damage due to drug toxicity.
Dopamine is:
- A. Alpha and beta agonist
- B. Beta agonist
- C. A beta blocking agent
- D. Alpha blocking agent
Correct Answer: A
Rationale: Dopamine activates alpha and beta receptors.