Nokea
Which is not useful to test brainstem death in suspected cervical spine injury?
- A. Pupillary light reflex
- B. Doll's-eyes reflex
- C. Corneal reflex
- D. Oculo-vestibular reflex
Correct Answer: B
Rationale: Doll's-eyes reflex is not used in suspected cervical spine injury due to the risk of further injury.
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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.
A psychiatric referral is warranted in a preschool child with the following:
- A. Night terrors
- B. Separation anxiety
- C. Scared of ghosts
- D. Masturbation
Correct Answer: B
Rationale: Separation anxiety in a preschool child, especially if it is severe and persistent, may warrant a psychiatric referral to assess for anxiety disorders.
A client with unstable asthma had an emergent cardiac catheterization. Which complication should the nurse monitor for in the initial 24 hours after the procedure?
- A. Thrombus formation
- B. Infection
- C. Bronchospasm
- D. Heart failure
Correct Answer: A
Rationale: After a cardiac catheterization, the nurse must monitor for thrombus formation as it is a common complication in the first 24 hours.
The reason that the hematocrit is so high is
- A. chronic hypoxia
- B. it was taken in a low cardiac output state
- C. it was a peripheral finger stick
- D. embolic stroke
Correct Answer: A
Rationale: Chronic hypoxia leads to secondary polycythemia as a compensatory mechanism.
What are FOUR possible causes of left axis deviation in a newborn with features of Trisomy 21?
- A. AVSD
- B. Tricuspid atresia
- C. Pulmonary atresia with intact ventricular septum
- D. Mechanical shift
Correct Answer: A
Rationale: AVSD is a common congenital heart defect associated with Trisomy 21 and can lead to left axis deviation seen on ECG.