What is one of the benefits related to second generation antihistamine administration in older adults? a. they do not impair thinking. b. they reduce the number of falls in clients diagnosed with osteoporosis. c. they increase the ability of clients with dementia to perform adls. d. they do not affect oxygenation.

The correct answer is- a. They do not impair thinking.

Explanation:

Histamine is the chemical that is involved in an inflammatory and allergic response in the body. It is a neurotransmitter and also regulates immune response in the body.

Antihistamine is the drugs that block the symptoms of allergy by blocking the histamine by binding on histamine receptor. There are two generation histamine 1st generation and 2nd generation.

The first-generation histamine has a central effect which means it affects CNS but second-generation histamine can not easily cross the blood-brain barrier so its capacity to adversely affect CNS is low therefore they do not impair thinking. So the right answer is a.

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the answer is d.) homologous; have mammary glands