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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An adult woman with primary Raynaud phenomenon develops pallor and then cyanosis of her fingers. After warming her hands, the fingers turn red and the client reports a burning sensation. What action should the nurse take?
- A. Apply a cool compress to the affected fingers for 20 minutes
- B. Secure a pulse oximeter to monitor the client's oxygen saturation
- C. Report the finding to the healthcare provider as soon as possible
- D. Continue to monitor the fingers until color returns to normal
Correct Answer: D
Rationale: Monitoring is appropriate as the symptoms are consistent with Raynaud's phenomenon and should resolve with warming.
Nystagmus can be a presenting sign in:
- A. Partial albinism
- B. Retinopathy of prematurity
- C. Acute vestibulitis
- D. Medulloblastoma
Correct Answer: D
Rationale: Medulloblastoma, a type of brain tumor, can present with nystagmus due to its impact on the cerebellum and brainstem.
Coxsackie viruses are implicated in:
- A. Herpangina
- B. Dermatitis herpetiformis
- C. Meningitis
- D. Orchitis
Correct Answer: A
Rationale: Coxsackie viruses are a common cause of herpangina. They can also cause meningitis and orchitis, but dermatitis herpetiformis is not associated with Coxsackie viruses.
Biochemical abnormalities in a chronic carrier of hepatitis B are:
- A. Raised AST
- B. Low serum albumin
- C. Raised gamma GT
- D. Raised transferrin
Correct Answer: A
Rationale: The correct answer is A because chronic hepatitis B carriers often have raised AST (aspartate aminotransferase) due to liver inflammation. The other options are less specific or not typically associated with chronic hepatitis B.
Features predisposing to NEC (necrotising enterocolitis) in the neonatal period include:
- A. Short fixation
- B. Asphyxia
- C. Umbilical artery catheter
- D. Maternal Crohn's disease
Correct Answer: B
Rationale: Asphyxia is a known risk factor for necrotizing enterocolitis (NEC) due to its effect on intestinal blood flow, leading to bowel ischemia and increased risk of bacterial translocation.