Correct Answer: A

Rationale: Congenital heart defects typically develop during the first 8 weeks of gestation when the baby's heart is forming. This is a critical period of organogenesis, where the heart undergoes complex development and any disruptions during this time can lead to structural abnormalities in the heart. Factors such as genetics, environmental influences, and certain maternal health conditions can contribute to the development of congenital heart defects during this early stage of pregnancy. It is crucial for mothers to receive proper prenatal care to help reduce the risk of congenital heart defects and other birth abnormalities.

Correct Answer: A

Rationale: When teaching an adult client with high cholesterol, it is important for the nurse to consider that adults are more oriented to learning when the material is useful immediately. This means that providing practical information and emphasizing how managing high cholesterol can benefit their health in the short term is likely to be more effective in engaging the client and encouraging adherence to recommendations. By focusing on the immediate relevance and benefits of the information, the nurse can enhance the client's motivation and understanding of the importance of managing their high cholesterol levels.

Correct Answer: C

Rationale: The correct statement indicating effective discharge teaching for a client diagnosed with cardiomyopathy is "I will eat foods containing sodium only if drinking water with them." This statement shows the client understands the importance of reducing sodium intake to manage cardiomyopathy effectively. Excess sodium can contribute to fluid retention and worsen symptoms of heart failure, which often accompanies cardiomyopathy. By pairing sodium-containing foods with water, the client can help mitigate the potential negative effects of sodium on their condition. The other options are incorrect as they do not demonstrate an understanding of the condition or appropriate self-care measures.

Correct Answer: D

Rationale: Osteoarthritis is a condition where the protective cartilage that cushions the ends of bones wears down over time. Excess weight puts extra stress on the joints, particularly weight-bearing joints like the knees. Being overweight by 30 pounds increases the risk of developing osteoarthritis in the knees because the added weight can accelerate the breakdown of cartilage. Therefore, the nurse identified the patient as at risk for osteoarthritis due to being overweight by 30 pounds.

Correct Answer: B

Rationale: B. It is essential for the patient to avoid taking muscle relaxants before the electromyogram test because these medications can affect the results by altering muscle activity and electrical signals, which are critical for diagnosing muscle and nerve disorders.