Nokea
During play, a toddler with a history of tetralogy of Fallot (TOF) might assume which position?
- A. Sitting
- B. Supine
- C. Squatting
- D. Standing
Correct Answer: C
Rationale: Squatting naturally increases SVR by occluding venous return from the lower extremities, thereby increasing pulmonary blood flow.
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Appropriate initial management steps in an acute anaphylactic reaction to a blood transfusion include:
- A. Nebulised steroids
- B. Oxygen
- C. Intravenous hydrocortisone
- D. Intravenous anti-H2 agent
Correct Answer: B
Rationale: Oxygen is a critical initial management step in anaphylaxis to ensure adequate oxygenation during the acute phase.
Which comment made by a parent of a 1-month-old infant would alert the nurse about the presence of a congenital heart defect?
- A. “He is always hungry.â€
- B. “He tires out during feedings.â€
- C. “He is fussy for several hours every day.â€
- D. “He sleeps all the time.â€
Correct Answer: B
Rationale: Fatigue during feeding or activity is common to most infants with congenital cardiac problems.
Distal occlusion of the posterior cerebral artery may produce:
- A. Contralateral hemiplegia
- B. Homonymous hemianopia
- C. Dysarthria
- D. Cerebellar ataxia
Correct Answer: B
Rationale: Homonymous hemianopia is a classic finding in posterior cerebral artery occlusion. Hemiplegia, dysarthria, and ataxia are not typical.
Mental retardation is found in all the following:
- A. Trisomy 21
- B. Morquio syndrome
- C. Homocystinuria
- D. Ehlers-Danlos syndrome
Correct Answer: A
Rationale: Trisomy 21 (Down syndrome) is a well-known cause of mental retardation. Morquio syndrome, Homocystinuria, and Ehlers-Danlos syndrome are not typically associated with mental retardation.
The following foramina are found in the brain:
- A. Foramen of Monro
- B. Foramen ovale
- C. Foramen of Magendie
- D. Foramen transversalis
Correct Answer: A
Rationale: Foramen of Monro: The foramen of Monro connects the lateral ventricles to the third ventricle and plays a key role in the circulation of cerebrospinal fluid (CSF).