Nokea
Malignant mutation in hypertrophic cardiomyopathy is which of the following?
- A. Arg 403 Gln
- B. Gln 403 Arg
- C. Arg 304 Gln
- D. Gln 304 Arg
Correct Answer: A
Rationale: The Arg 403 Gln mutation is a known pathogenic mutation in hypertrophic cardiomyopathy, linked with a higher risk of sudden cardiac death.
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The following antibodies are seen in the conditions mentioned:
- A. Anti-endomysial antibodies in coeliac disease
- B. Anti-insulin receptor antibodies in diabetes mellitus
- C. Anti-epidermal antibodies in vitiligo
- D. Anti-acetylcholine receptor antibodies in spinal muscular atrophy
Correct Answer: A
Rationale: Anti-endomysial antibodies are specifically associated with coeliac disease, making (a) the correct answer. The other options are incorrect as they describe antibodies associated with different conditions.
A client with pheochromocytoma reports the onset of a severe headache. The nurse observes that the client is very diaphoretic. Which assessment data should the nurse obtain next?
- A. Blood pressure
- B. Blood glucose level
- C. Respiratory rate
- D. Oxygen saturation
Correct Answer: A
Rationale: Pheochromocytoma can lead to hypertension, which may be responsible for the client’s symptoms. Monitoring blood pressure is crucial to assess for potential hypertensive crisis.
Closure of ductus will worsen following conditions
- A. Coarctation of Aorta
- B. TGA without VSD
- C. Pulmonary Atresia
- D. Hypoplastic left heart
Correct Answer: C
Rationale: Closure of the ductus arteriosus worsens pulmonary atresia by cutting off pulmonary blood flow.
Spread of hepatitis C occurs by:
- A. Drug abuse
- B. Seafood consumption
- C. Recombinant factor VIII therapy
- D. Faeco-oral spread
Correct Answer: A
Rationale: Hepatitis C is primarily spread through blood-to-blood contact, such as sharing needles or other equipment to inject drugs.
Mitochondrial DNA
- A. Has its own genome
- B. Is responsible for some forms of myopathies
- C. Can transmit diseases from parents to children
- D. Is present in neurons
Correct Answer: B
Rationale: Is responsible for some forms of myopathies