Nokea
What is the age-predicted maximum heart rate in a 60-year old man on beta blockers?
- A. 122
- B. 133
- C. 155
- D. 166
Correct Answer: A
Rationale: Beta blockers reduce the maximum heart rate. The age-predicted maximum heart rate for a 60-year-old on beta blockers is approximately 122 bpm.
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All the following are causes of heart failure in full-term neonate EXCEPT
- A. asphyxial
- B. coarctation of aorta
- C. hypoplastic left heart syndrome
- D. transposition of great arteries
Correct Answer: B
Rationale: Coarctation of the aorta may not immediately present with heart failure in full-term neonates.
A client with acute renal injury (AKI) who weighs 50 kg and has a potassium level of 6.7 mEq/L (6.7 mmol/l) is admitted to the hospital. Which prescribed medication should the nurse administer first?
- A. Sevelamer (RenaGel) one tablet PO.
- B. Epoetin alfa, recombinant (Epogen) 2,500 units SUBQ
- C. Sodium polystyrene (Kayexalate) 15 grams PO
- D. Calcium acetate (Phos-Lo) one tablet PO
Correct Answer: C
Rationale: Sodium polystyrene (Kayexalate) helps remove excess potassium, which is the priority concern in AKI with elevated potassium.
Which among the following beta-blockers is not potent than propranolol (considering propranolol = 1)?
- A. Carvedilol
- B. Metoprolol
- C. Bisoprolol
- D. Labetalol
Correct Answer: D
Rationale: Labetalol has a lower beta-blocking potency compared to propranolol, especially considering it also has alpha-blocking activity.
Gingival hyperplasia is an adverse effect of therapy with:
- A. Phenytoin
- B. Cyclophosphamide
- C. Frusemide
- D. Carbamazepine
Correct Answer: A
Rationale: Phenytoin, an anticonvulsant medication, is well-known for causing gingival hyperplasia as a side effect.
The nurse is caring for a child with acute glomerulonephritis. Which of the following would most likely indicate that the child’s condition is improving?
- A. Increased urine output with normal color and consistency
- B. Decrease in the blood pressure
- C. A reduction in protein levels in the urine
- D. A decrease in hematuria
Correct Answer: A
Rationale: Improved renal function is indicated by increased urine output and the return of urine to normal color and consistency.