Correct Answer: D

Rationale: A descriptive case study design is the most suitable approach when Nurse Carmi decides to make an in-depth study of only one subject of domestic violence. This design involves a comprehensive and detailed exploration of a single individual or a specific situation, allowing for an in-depth analysis of various aspects related to the subject. Since Nurse Carmi is focusing on studying only one subject, a case study design will enable her to gather detailed information, delve deep into the complexities of the individual's experiences, behaviors, and outcomes related to domestic violence. This design will provide a rich and holistic understanding of the single case being studied, offering valuable insights and potential implications for practice and intervention strategies.

Correct Answer: D

Rationale: The presentation of a small, painless, well-defined nodule on the lateral aspect of the neck, above the clavicle, along with the cytology showing clusters of polygonal cells with abundant granular cytoplasm is most indicative of a parathyroid adenoma. Parathyroid adenomas are benign tumors derived from the parathyroid gland that can produce excess parathyroid hormone (PTH), leading to hyperparathyroidism. The characteristic histology of parathyroid adenomas includes chief cells with abundant granular cytoplasm.

Correct Answer: C

Rationale: The sudden onset of shortness of breath, chest pain, and cyanosis in a postpartum client could be indicative of a pulmonary embolism, a potentially life-threatening condition. Therefore, it is crucial to notify the healthcare provider immediately for further assessment and management. Prompt intervention is essential in this situation to prevent any potential complications and ensure the client receives appropriate care as soon as possible. Placing the client in a semi-Fowler's position or administering supplemental oxygen therapy may provide temporary relief, but the priority is to seek immediate medical attention. Consulting with the healthcare provider ensures that the client receives the necessary interventions promptly.

Correct Answer: A

Rationale: The most important intervention for managing ventilator-associated pneumonia (VAP) caused by methicillin-resistant Staphylococcus aureus (MRSA) in a patient undergoing mechanical ventilation in the ICU is to start appropriate antimicrobial therapy targeting MRSA. Vancomycin or linezolid are commonly used antibiotics for MRSA infections. These medications are effective against MRSA and can help in treating the infection and preventing further complications. It is crucial to initiate antimicrobial therapy promptly once the diagnosis of VAP caused by MRSA is suspected or confirmed to improve patient outcomes. Other interventions such as bronchoalveolar lavage for diagnostic purposes, contact precautions, or antifungal therapy may be relevant but the priority is to start effective antibiotic therapy to target the specific pathogen causing the infection.

Correct Answer: B

Rationale: In a stratified sampling method, the population is divided into subgroups or strata based on certain characteristics that are relevant to the research objective. This allows for representation from each subgroup in the sample, ensuring that different segments of the population are taken into account.