Correct Answer: D

Rationale: Diarrhea and vomiting are manifestations of lithium toxicity. The priority action for the nurse is to hold the next dose of lithium and obtain an order for a stat serum lithium level to confirm toxicity. This ensures patient safety and prevents further harm. Recognizing it as a drug interaction is not the first step in this scenario. Cogentin is used to manage extrapyramidal symptoms (EPS) associated with antipsychotics, not lithium toxicity. Reassuring the client about these symptoms as common side effects of lithium therapy is inappropriate as they indicate a more serious issue than typical side effects like hand tremors, nausea, polyuria, and polydipsia.

Correct Answer: B

Rationale: The correct statement for the nurse to include is that early diagnosis and treatment provide the best chance for the child to become a fully functioning adult. It is important to educate parents that while early intervention can improve outcomes for individuals with ASD, it does not offer a cure but helps in managing symptoms and developing necessary skills. Choice A is incorrect as there is currently no cure for ASD. Choice C is inaccurate as early diagnosis and treatment focus on improving the child's quality of life and independence rather than ensuring admission to an assisted living facility. Choice D is incorrect as early diagnosis and treatment of ASD do not prevent the development of other mental health conditions; however, they can help in identifying and managing such conditions early on.

Correct Answer: B

Rationale: The theory of aging that aligns with the need for strict infection control prevention measures is the Immunological Theory of Aging. This theory posits that aging leads to a decline in the body's immune defenses and a reduced ability of antibodies to protect against infections. The other theories do not directly address the impact of aging on the immune system. The Programmed Longevity Theory focuses on genetic changes affecting aging, the Endocrine Theory emphasizes hormonal changes, and the Rate of Living Theory relates longevity to the rate of oxygen metabolism.

Correct Answer: B

Rationale: Teaching both the patient's wife and the daughter is the best option in this situation. The daughter may not always be available, and the wife is eager to care for her husband at home. While a hospital interpreter is often preferred, asking the daughter to interpret is a good alternative. This approach allows the daughter to receive instruction and reinforce it for herself as she translates it to her mother. Contacting a home health agency may not be necessary if family members are willing and able to assist. Providing a pamphlet with detailed instructions would not be as effective in ensuring the wife fully understands the procedure and can carry it out correctly.

Correct Answer: A

Rationale: The expected date of delivery is calculated using Nagle's rule which is: The first day of last menstrual period - 3 months + 7 days = the estimated date of delivery