Nokea
Insulin-like growth factor-l (IGF-I):
- A. Increases during pubertal growth spurt
- B. Is a single polypeptide chain
- C. Is produced in pancreas
- D. Is secreted in a pulsatile manner
Correct Answer: A
Rationale: IGF-I levels rise significantly during the pubertal growth spurt, contributing to rapid growth and development.
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Epiphyseal changes are seen in:
- A. Non-accidental injury
- B. Rickets
- C. Chronic renal failure
- D. Lead poisoning
Correct Answer: B
Rationale: Rickets is characterized by epiphyseal changes due to defective mineralization of growing bones.
One of the following is a sign of right-sided heart failure of the patient
- A. tachypnea
- B. orthopnea
- C. wheezing
- D. pulmonary edema
Correct Answer: B
Rationale: Right-sided heart failure typically presents with systemic signs like orthopnea and peripheral edema rather than pulmonary edema.
A healthcare worker with no known exposure to tuberculosis has received a Mantoux tuberculosis skin test. The nurse's assessment of the test after 62 hours indicates 5 mm of erythema without induration. What is the best initial nursing action?
- A. Document negative results in the client's medical record
- B. Repeat the test immediately on the opposite forearm
- C. Notify the healthcare provider for further evaluation
- D. Schedule the worker for a chest X-ray
Correct Answer: A
Rationale: Erythema without induration is not considered a positive result. Documentation of negative findings is appropriate.
Diagnostic signs of child abuse are:
- A. Sub-hyaloid bleeding
- B. Spiral fracture of a long bone
- C. Lacerated tongue
- D. Posterior rib fractures
Correct Answer: D
Rationale: Posterior rib fractures are highly suggestive of child abuse, as they are often caused by forceful squeezing or shaking.
Which physiological changes occur as a result of hypoxemia in congestive heart failure (CHF)?
- A. Polycythemia and clubbing
- B. Anemia and barrel chest
- C. Increased white blood cells and low platelets
- D. Elevated erythrocyte sedimentation rate and peripheral edema
Correct Answer: A
Rationale: Hypoxemia stimulates erythropoiesis, causing polycythemia, which along with chronic hypoxemia can lead to digital clubbing.