Nurse Casey is preparing to administer chemotherapy to a client with leukemia. The nurse wears gloves and a gown to administer the medication and to prevent exposure to the agent by which of the following routes?

Correct Answer: D

Rationale: Chemotherapeutic agents can be hazardous to healthcare workers if they are exposed to the drugs during preparation or administration. One of the primary risks is inhalation, where small particles or aerosols of the drug can become airborne and be inhaled, potentially causing harm to the nurse. Protective gear such as gloves and a gown, as well as masks or respirators in some cases, helps prevent this type of exposure.

Correct Answer: C

Rationale: Fatigue is one of the most frequent and profound side effects of radiation therapy. It often occurs because radiation can damage both cancerous and healthy cells, and the body requires energy to repair the damage caused by the treatment. Fatigue from radiation can be cumulative, meaning it may worsen as treatments progress, and can significantly affect the client's daily activities, requiring the nurse to educate the client on energy conservation techniques.

Correct Answer: B

Rationale: Difficulty swallowing (dysphagia) following radiation therapy to the neck area is a significant concern because it can indicate serious complications such as esophageal stricture, inflammation, or damage to the surrounding tissues, including the esophagus. This can lead to malnutrition, dehydration, or aspiration, all of which require prompt intervention. Radiation therapy can cause irritation and scarring in the esophageal and throat tissues, which may progressively worsen if not treated. Therefore, dysphagia should be addressed immediately to prevent further complications.

Correct Answer: B

Rationale: Radiation therapy can cause skin irritation, dryness, and sensitivity in the treated area. Wearing loose, soft clothing helps minimize friction and pressure on the skin, reducing irritation and promoting comfort. The skin in the treated area is often more sensitive and vulnerable to damage, so this intervention helps protect the skin while maintaining the client's comfort during the course of treatment.

Correct Answer: B

Rationale: Contact inhibition is a regulatory mechanism that prevents cells from proliferating once they reach a certain density. Normally, when cells grow and touch each other (such as in a monolayer), they stop dividing, maintaining tissue integrity and structure. When contact inhibition is lacking, as in many cancerous cells, cells continue to grow and divide uncontrollably, leading to tumor formation. This loss of regulation is a hallmark of cancerous growth.