Nokea
Hypoglycemia in an infant is defined as whole blood glucose level less than
- A. 40 mg/dl
- B. 50 mg/dl
- C. 60 mg/dl
- D. 80 mg/dl
Correct Answer: A
Rationale: Hypoglycemia in infants is defined as a whole blood glucose level less than 40 mg/dl, as this threshold is critical for brain function.
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Recognised features of anorexia nervosa include:
- A. T-wave inversion on ECG
- B. Hypocholesterolaemia
- C. Peripheral oedema
- D. Sinus bradycardia
Correct Answer: D
Rationale: Sinus bradycardia, a slower than normal heart rate, is a recognized feature of anorexia nervosa due to the body's adaptation to starvation.
Duchenne muscular dystrophy (DMD):
- A. Affects dystrophin gene
- B. Features usually present before five years of age
- C. Frontal baldness occurs
- D. Is part of the differential diagnosis in a floppy infant
Correct Answer: B
Rationale: Features usually present before five years of age
A seizure episode may be mimicked by:
- A. Breath-holding episode
- B. Choreoathetosis
- C. Hysterical reactions
- D. Vasovagal attack
Correct Answer: A
Rationale: Breath-holding episodes in children can mimic seizures due to transient loss of consciousness, often triggered by emotional stress or pain.
A nurse assesses a client who is recovering after a left-sided cardiac catheterization. Which assessment finding requires immediate intervention?
- A. Urinary output less than intake
- B. Bruising at the insertion site
- C. Slurred speech and confusion
- D. Discomfort in the left leg
Correct Answer: C
Rationale: Slurred speech and confusion may indicate a neurological complication, such as a stroke, which requires immediate intervention.
In the treatment of asthma, inhaled corticosteroids:
- A. Relieve acute symptoms
- B. Prevent long-term symptoms
- C. Cause airway constriction
- D. Are contraindicated in pregnancy
Correct Answer: B
Rationale: Inhaled corticosteroids are used in asthma management to prevent inflammation and control long-term symptoms, though they do not relieve acute attacks.