In embryology:
- A. Most defects occur with teratogens in the first 2 weeks post-conception
- B. The urachus becomes the median umbilical ligament
- C. The mesonephric duct becomes the male organs
- D. The thyroid develops from the floor of the primitive larynx
Correct Answer: B
Rationale: The urachus becomes the median umbilical ligament. Most defects occur after the first 2 weeks, and the thyroid develops from the floor of the pharynx.
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In neonates with anomalous total pulmonary venous return and obstruction, the chest x-ray demonstrates
- A. heart enlarged
- B. prominent pulmonary artery
- C. prominent right ventricle
- D. prominent subaortic stenosis
Correct Answer: D
Rationale: Prominent subaortic stenosis is not typically seen in TAPVR.
Inclisiran used in the treatment of dyslipidemia is chemically a
- A. Synthetic RNA
- B. Synthetic histone
- C. Synthetic DNA
- D. Synthetic mitochondria
Correct Answer: A
Rationale: Inclisiran is a synthetic RNA molecule used to lower cholesterol levels.
A male client complains of pain in his right calf, and the nurse determines that his calf is edematous and deep red. What intervention has the highest priority?
- A. Tell the client to remain in bed
- B. Apply warm compresses to the affected leg.
- C. Administer pain medication as prescribed.
- D. Encourage the client to elevate the affected leg.
Correct Answer: A
Rationale: The symptoms suggest deep vein thrombosis (DVT). Bed rest prevents dislodgment of the clot, reducing the risk of pulmonary embolism.
In a child with scabies, which of the following is the most appropriate treatment?
- A. Permethrin
- B. Benzoyl peroxide
- C. Hydrocortisone
- D. Calamine lotion
Correct Answer: A
Rationale: Permethrin cream is the most effective treatment for scabies, as it targets the mites causing the infestation.
Nurse Victoria is teaching the parents of a school-age child. Which teaching topic should take priority?
- A. Prevent accidents
- B. Keeping a night light on to allay fears
- C. Explaining normalcy of fears about body integrity
- D. Encouraging the child to dress without help
Correct Answer: A
Rationale: Accident prevention is a priority for school-age children as they become more independent and engage in activities that may pose risks.