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
You may also like to solve these questions
Which of the following is false regarding right ventricle?
- A. It has fine and regular trabeculations
- B. Septal attachment of AV valve is more apical
- C. Moderator band is present
- D. Trabecular septomarginalis is present
Correct Answer: A
Rationale: The right ventricle typically has coarse trabeculations, not fine and regular ones.
Ejection systolic murmur in outflow in a neonate is least likely to be due to
- A. Subaortic membrane
- B. Unicuspid aortic valve
- C. Bicuspid aortic valve
- D. Pulmonary stenosis
Correct Answer: A
Rationale: Subaortic membrane is least likely to cause an ejection systolic murmur in a neonate.
A 5-year-old child has an elevated blood pressure during a well child exam. The primary care pediatric nurse practitioner notes mottling and pallor of the child's feet and lower legs and auscultates a systolic ejection murmur in the left infraclavicular region radiating to the child's back. The nurse practitioner will suspect which condition?
- A. Aortic stenosis (AS)
- B. Coarctation of the aorta (COA)
- C. Patent ductus arteriosus (PDA)
- D. Pulmonic stenosis
Correct Answer: B
Rationale: Coarctation of the aorta may not have symptoms until later childhood and may present as high blood pressure in the upper extremities and poor perfusion in the lower extremities.
The following conditions involve the oral mucosa:
- A. Herpes simplex type I infection
- B. Scabies
- C. Eczema
- D. Lichen planus
Correct Answer: A
Rationale: Herpes simplex type I infection commonly involves the oral mucosa, causing lesions such as cold sores.
The nurse is preparing a client for discharge who was recently diagnosed with Addison's disease. Which instruction is most important for the nurse to include in the client's discharge teaching plan?
- A. Use a walker when weakness occurs
- B. Avoid extreme environmental temperatures
- C. Increase daily intake of sodium in diet
- D. Take prescribed cortisone accurately
Correct Answer: D
Rationale: Taking prescribed cortisone accurately is crucial for managing Addison's disease and preventing an adrenal crisis.