Nokea
Which of the following drugs have no mortality benefit?
- A. Nitrates
- B. Beta-blockers
- C. Trimetazidine
- D. RAAS blockers
Correct Answer: C
Rationale: Trimetazidine is used as an adjunct therapy in ischemic heart disease but does not have a proven mortality benefit, unlike RAAS blockers, beta-blockers, and nitrates.
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The nurse reviews the laboratory results for a child with a suspected diagnosis of rheumatic fever. The nurse knows that which laboratory study would assist in confirming the diagnosis?
- A. Immunoglobulin
- B. Red blood cell count
- C. White blood cell count
- D. Anti-streptolysin O titer
Correct Answer: D
Rationale: The Anti-streptolysin O titer is used to confirm a diagnosis of rheumatic fever as it indicates a recent streptococcal infection, which is a precursor to rheumatic fever.
Regarding puberty:
- A. The beginning of puberty is closely related to bony changes rather than to age
- B. The first sign of puberty in a boy is the development of axillary hair
- C. Constitutional precocious puberty is commoner in girls than boys
- D. Delayed puberty is defined as lack of pubertal changes in a boy after 14 years of age
Correct Answer: C
Rationale: Constitutional precocious puberty is more common in girls than boys, often due to earlier activation of the hypothalamic-pituitary-gonadal axis.
Pulsus paradoxus is associated with
- A. pericarditis
- B. endocarditis
- C. rheumatic fever
- D. myocarditis
Correct Answer: A
Rationale: Pulsus paradoxus is commonly associated with pericardial diseases such as constrictive pericarditis.
Which assessment would lead the nurse to suspect that a newborn infant has a ventricular septal defect?
- A. A loud, harsh murmur with a systolic thrill
- B. Cyanosis when crying
- C. Blood pressure higher in the arms than in the legs
- D. A machinery-like murmur
Correct Answer: A
Rationale: A loud, harsh murmur combined with a systolic thrill is characteristic of a ventricular septal defect.
After a hospitalization for Syndrome of Inappropriate Antidiuretic Hormone (SIADH), a client develops pontine myelinolysis. Which intervention should the nurse implement first?
- A. Reorient client to his room
- B. Place a patch on one eye
- C. Evaluate client's ability to swallow
- D. Perform range of motion exercises
Correct Answer: A
Rationale: Reorienting the client helps in managing confusion and disorientation, which are common in pontine myelinolysis.