Correct Answer: A

Rationale: Children with varicella (chickenpox) are contagious until all vesicles are crusted over. The contagious period starts 1-2 days before the rash appears and continues until all lesions are dried and crusted. It is important to educate healthcare providers about the contagious period to prevent the spread of the virus to susceptible individuals.

Correct Answer: A

Rationale: The correct answer is teaching parenting skills to expectant mothers and their partners. This intervention is a primary prevention strategy aimed at educating individuals before a problem or condition develops. By teaching parenting skills, the nurse is promoting healthy behaviors and relationships, which can prevent future issues. The other options involve secondary or tertiary prevention strategies by identifying and treating existing conditions or providing interventions after a problem has occurred.

Correct Answer: C

Rationale: Feeling like the feet are freezing up and sticking to the ground is a common symptom of Parkinson's disease known as 'freezing of gait.' This symptom significantly impacts mobility and can be dangerous, indicating the need for specialized physical therapy interventions to address gait disturbances and improve mobility.

Correct Answer: B

Rationale: In situations where there is a language barrier between healthcare providers and patients, it is essential to ensure accurate communication. Using professional interpreter services is the most appropriate choice to ensure clear and precise communication. Relying on the client's children for interpretation may not guarantee accurate or confidential communication. Asking the nurse to interpret can lead to miscommunication or misunderstanding of important medical information. Providing translation services for a nominal fee to clients may not always be feasible or culturally appropriate. Regularly evaluating the client's understanding helps ensure that information is effectively communicated and comprehended.

Correct Answer: A

Rationale: When preparing to administer an autologous blood product, it is crucial to correctly identify the client to prevent errors. Matching the client's blood type with the type and cross-match specimens ensures that the blood product is intended for the correct recipient. This step helps in verifying the patient's identity and avoiding any transfusion-related complications. Confirming the blood type through type and cross-matching is a standard practice to ensure patient safety during blood transfusions.