Nokea
Of the following, the cyanotic cardiac lesion with decreased pulmonary blood flow is
- A. transposition of the great vessels
- B. single ventricle
- C. truncus arteriosus
- D. tricuspid atresia
Correct Answer: D
Rationale: Tricuspid atresia results in decreased pulmonary blood flow due to lack of right ventricular input.
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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.
What are FIVE immediate management steps for an infant with Tetralogy of Fallot presenting with saturations of 60%?
- A. Knees to chest
- B. Calm baby
- C. Oxygen
- D. Beta-blocker
Correct Answer: A
Rationale: The knees-to-chest position helps increase systemic vascular resistance, improving oxygen saturation in a tetralogy of Fallot crisis.
Accepted maintenance treatment for chronic asthma includes the following:
- A. High-dose inhaled steroids and long-acting bronchodilators
- B. Montelucast
- C. Montelucast and inhaled steroids
- D. Long-acting ~2-agonists alone
Correct Answer: A
Rationale: The correct answer is A because high-dose inhaled steroids and long-acting bronchodilators are the mainstay of chronic asthma management. The other options (b-e) are less commonly used or not first-line.
The following are transmitted as autosomal dominant traits:
- A. Congenital spherocytosis
- B. Vitamin D-resistant rickets
- C. CAH
- D. Hereditary haemorrhagic telangiectasia
Correct Answer: D
Rationale: Hereditary haemorrhagic telangiectasia is an autosomal dominant disorder. Congenital spherocytosis and Vitamin D-resistant rickets can also be autosomal dominant, but CAH (Congenital Adrenal Hyperplasia) is typically autosomal recessive.
The following are true about water excretion:
- A. It is influenced by the proximal tubule
- B. It is influenced by vasopressin
- C. It depends on erythropoietin
- D. It is influenced by the ascending limb of the loop of Henle
Correct Answer: B
Rationale: It is influenced by vasopressin: Vasopressin (ADH) regulates water reabsorption in the kidneys, primarily by acting on the collecting ducts, enhancing water retention in response to dehydration.