Correct Answer: B

Rationale: Auscultation is a technique in physical examination used to assess the movement of air through the tracheobronchial tree. During auscultation, healthcare providers listen to lung sounds using a stethoscope to detect abnormalities such as wheezing, crackles, or diminished breath sounds, which can indicate conditions affecting the airways or lungs.

Correct Answer: C

Rationale: The appropriate route of administration for insulin is subcutaneous. Subcutaneous injections are commonly used for insulin administration due to the slower absorption rate compared to intramuscular or intravenous routes, allowing for better control of blood glucose levels.

Correct Answer: D

Rationale: After a patient's death in a hospital, the most crucial legal responsibility for the healthcare team is ensuring that the attending physician issues the death certificate. The death certificate is a vital legal document that confirms the cause of death and is required for legal and administrative purposes, including the completion of the patient's medical records and facilitating the family's ability to proceed with funeral arrangements and insurance claims. While other actions such as obtaining consent for an autopsy, notifying the coroner or medical examiner, and labeling the body appropriately are important, ensuring the timely and accurate issuance of the death certificate takes precedence in this scenario.

Correct Answer: D

Rationale: Alzheimer's disease is the most common cause of dementia among elderly persons. It is a progressive neurodegenerative disorder that affects memory, thinking, and behavior. While Parkinson's disease, multiple sclerosis, and amyotrophic lateral sclerosis are serious conditions, they are not typically associated with dementia in the same way Alzheimer's disease is.

Correct Answer: C

Rationale: The correct answer is the stomach. The stomach is a muscular organ located slightly to the left in the abdominal cavity. It serves as a temporary storage site for food where it is mixed with digestive enzymes and acids to begin the process of digestion.