Which of the following conditions results primarily from mutation in the gene encoding Vitamin D receptor?
- A. Vitamin D dependent rickets type 1
- B. Vitamin D dependent rickets type 2
- C. X-linked hypophosphatemic rickets
- D. Autosomal dominant hypophosphatemic rickets
Correct Answer: B
Rationale: Vitamin D dependent rickets type 2 is caused by mutations in the vitamin D receptor gene, leading to resistance to vitamin D.
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Hyperkalaemia:
- A. Is exacerbated by acidosis
- B. Is a finding in Conn's syndrome
- C. ECG findings include peaked tall T-waves
- D. Should be treated if serum K+ > 6mmol/l
Correct Answer: A
Rationale: Acidosis exacerbates hyperkalaemia by causing a shift of potassium from intracellular to extracellular space, worsening the condition.
A client who has a history of hypothyroidism was initially admitted with lethargy and confusion. Which additional finding warrants the most immediate action by the nurse?
- A. Facial puffiness and periorbital edema
- B. Hematocrit of 30%
- C. Cold and dry skin
- D. Further decline in level of consciousness
Correct Answer: D
Rationale: A further decline in level of consciousness could indicate myxedema coma, a life-threatening complication of hypothyroidism.
The most common cardiac anomaly associated with Coarctation of aorta is
- A. Bicuspid aortic valve
- B. Subaortic ventricular septal defect
- C. Atrial septal defect
- D. Supramitral ring
Correct Answer: A
Rationale: Bicuspid aortic valve is the most common cardiac anomaly associated with coarctation of the aorta.
The nurse is caring for a child with Kawasaki disease. A student nurse who is on the unit asks if there are medications to treat the disease. The nurse’s best response to the student nurse is:
- A. Immunogloulin G and ACE inhibitors
- B. Immunoglobulin and heparin
- C. Immunoglobulin G and aspirin
- D. Immunoglobulin and ibuprofen
Correct Answer: C
Rationale: The standard treatment for Kawasaki disease includes Immunoglobulin G and aspirin to reduce inflammation and prevent coronary artery complications.
Shone complex consist of the following EXCEPT
- A. coarctation of the aorta
- B. subvalvar aortic stenosis
- C. valvar aortic stenosis
- D. pulmonic stenosis
Correct Answer: D
Rationale: Pulmonic stenosis is not part of Shone complex.