Nokea
Coarctation of aorta is:
- A. Commonly associated with Turner's syndrome
- B. Inherited as autosomal dominant
- C. Associated with intracranial aneurysms
- D. Excluded from the diagnosis in the presence of femoral pulses
Correct Answer: A
Rationale: Coarctation of the aorta is commonly associated with Turner's syndrome, a chromosomal condition affecting females.
You may also like to solve these questions
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.
A toddler who has been hospitalized for vomiting due to gastroenteritis is sleeping and difficult to wake up. Assessment reveals vital signs of a regular heart rate of 230 beats per minute, respiratory rate of 30 per minute, BP of 84/52, and capillary refill time of 3 seconds. Which dysrhythmia does the nurse suspect in this child?
- A. Rapid atrial flutter
- B. Supraventricular tachycardia
- C. Sinus bradycardia
- D. Rapid atrial fibrillation
Correct Answer: B
Rationale: Supraventricular tachycardia is characterized by a very rapid heart rate, which can lead to decreased cardiac output and symptoms such as lethargy and difficulty waking, as seen in this toddler.
Long-chain triglyceride absorption requires:
- A. Intraluminal bile salts
- B. Mixed micelle formation
- C. Intraluminal trypsin
- D. Intact duodenum
Correct Answer: B
Rationale: Mixed micelle formation: The absorption of long-chain triglycerides requires bile salts to form mixed micelles, which facilitate the transport of lipids across the intestinal mucosa.
Paroxysmal hypercyanotic attacks (hypoxic, blue, or tet spells) are a particular problem during the lst 2 yr of life. They are characterized by
- A. early evening occurrence
- B. an increase in intensity of the systolic murmur
- C. unpredictable onset
- D. metabolic alkalosis
Correct Answer: A
Rationale: Unpredictable onset and metabolic alkalosis are common features of tet spells.
In ventricular arrythmia:
- A. PR interval is prolonged
- B. Common in thyrotoxicosis
- C. Synchronised DC shock is the treatment of choice
- D. IV adenosine treatment is effective
Correct Answer: C
Rationale: Synchronised DC shock is the treatment of choice: In cases of life-threatening ventricular arrhythmias, such as ventricular fibrillation or pulseless ventricular tachycardia, synchronized direct current shock (DC shock) is the recommended treatment.