Increased gastric motility and digestion are controlled by which of the following?

A) By blocking the effects of histamine in the body:
Antihistamines are pharmacological agents that work by antagonizing the effects of histamine, a chemical mediator released by mast cells and basophils in response to allergens or other triggers. Histamine contributes to various allergic symptoms such as itching, sneezing, nasal congestion, and watery eyes. Antihistamines exert their effects by competitively binding to histamine receptors (specifically H1 receptors) on target cells, thereby preventing histamine from binding and exerting its physiological effects. By blocking histamine receptors, antihistamines inhibit the action of histamine, leading to the alleviation of allergy symptoms.

B) By reducing inflammation in the body:
While some medications, such as corticosteroids, exert anti-inflammatory effects by suppressing the immune response and inhibiting the production of inflammatory mediators, antihistamines primarily target histamine receptors and do not directly reduce inflammation. Although histamine release can contribute to inflammation, antihistamines mitigate allergic symptoms primarily by blocking the action of histamine rather than by directly reducing inflammation.

C) By increasing the production of histamine in the body:
This statement is inaccurate. Antihistamines do not increase the production of histamine; instead, they counteract the effects of histamine by blocking its activity at receptor sites. The primary mechanism of action of antihistamines involves blocking histamine receptors to prevent histamine from exerting its physiological effects.

D) By stimulating the immune system:
Antihistamines do not stimulate the immune system. Instead, they act as antagonists to histamine receptors, thereby inhibiting histamine-induced responses. While histamine is involved in immune responses and allergic reactions, antihistamines do not directly modulate immune function or stimulate immune activity. Their primary role is to alleviate allergy symptoms by blocking the effects of histamine."

A) Check the client's perianal skin integrity:
Assessing perianal skin integrity is important in the care of a client with ulcerative colitis, particularly due to the potential for diarrhea and irritation. However, this is not the first priority upon admission for an acute exacerbation.

B) Educate the patient on which foods the patient should eat:
Nutritional education is crucial in managing ulcerative colitis, but it is not the priority during the initial assessment and admission for an acute exacerbation. Stabilizing the client's condition and addressing immediate needs take precedence.

C) Investigate the client's emotional concerns:
While emotional support is important, particularly in chronic conditions like ulcerative colitis, assessing emotional concerns is not the first action required upon admission for an acute exacerbation. Physical stabilization and assessment of the client's condition are the initial priorities.

D) Review the client's electrolyte values:
This is the correct answer. During an acute exacerbation of ulcerative colitis, there is a risk of electrolyte imbalance due to diarrhea and fluid loss. Reviewing the client's electrolyte values is crucial to assess the severity of dehydration and electrolyte imbalances, which can have immediate implications for the client's treatment plan and stabilization.