Correct Answer: B

Rationale: The primary purpose of handwashing is to prevent the transfer of microorganisms. Proper hand hygiene helps reduce the risk of spreading harmful bacteria and viruses, thus promoting overall health and preventing infections.

Correct Answer: B

Rationale: Buccal medication is administered by placing it between the client's cheeks and gums. This route allows for the medication to be absorbed through the mucous membranes in the mouth, providing a rapid onset of action compared to oral ingestion. Placing the medication under the tongue (sublingual) allows for absorption through the sublingual mucosa, not the buccal mucosa. Placing medication on the skin or the conjunctiva is not appropriate for buccal administration.

Correct Answer: B

Rationale: Maintaining the patient in an orthopneic position as needed is the most appropriate nursing order for a patient experiencing dyspnea and shortness of breath. This position helps to optimize lung expansion, improve oxygenation, and alleviate breathing difficulties. It is a strategic intervention to enhance respiratory function in patients with respiratory distress.

Correct Answer: C

Rationale: The knee-chest position is the most optimal position for examining the rectum. In this position, the patient kneels on the examination table with their chest resting on it, creating a straight line from the head to the lower back. This position allows for easier access and visualization of the rectal area, making it the preferred choice for rectal examinations.

Correct Answer: B

Rationale: Bed making is the term used to describe the process of preparing the bed with a new set of linens. This includes changing the sheets, pillowcases, and adding any additional bedding to make the bed clean, fresh, and comfortable for the next use.