A client is prescribed an antidiarrheal drug.
The nurse reviews the client's medical record for possible contraindications for use.
Which of the following would alert the nurse to a possible contraindication?

Choice A rationale:

Naturally acquired active immunity occurs when an individual is exposed to a disease-causing agent for the first time and develops immunity through their immune response. In this case, the client is exposed to chickenpox for the first time, and the immune system will produce antibodies to provide future protection.

Choice B rationale:

Administration of a vaccine (varicella vaccine) is an example of artificially acquired active immunity. The client's immune system responds to the weakened or inactivated pathogen in the vaccine to produce immunity. This choice does not represent naturally acquired immunity.

Choice C rationale:

Similar to choice B, administration of the influenza vaccine is an example of artificially acquired active immunity. The vaccine contains inactivated influenza virus components, prompting the individual's immune system to develop immunity.

Choice D rationale:

Administration of the rubella vaccine is another example of artificially acquired active immunity. The vaccine stimulates the immune system to produce antibodies against rubella, but this is not an example of naturally acquired immunity.

Choice A rationale:

Sedation is not a common adverse reaction to antiretroviral therapy. Antiretroviral medications are primarily used to treat HIV and do not typically cause sedation.

Choice B rationale:

Bruising is a potential adverse reaction to antiretroviral therapy. Some antiretroviral medications can cause blood-related side effects, such as decreased platelet count, which can result in easy bruising and bleeding. It's important for the nurse to include this in the teaching plan to ensure the client is aware of this potential side effect.

Choice C rationale:

Altered taste is not a common adverse reaction to antiretroviral therapy. While some medications can cause taste disturbances, this is not a typical side effect of antiretroviral drugs.

Choice D rationale:

Constipation is not a common adverse reaction to antiretroviral therapy. Antiretroviral medications primarily target the HIV virus and do not typically cause gastrointestinal issues like constipation.