Antihistamines make people drowsy because they A. block the effects of tuberomammillary hypothalamic neurons. B. inhibit the cholinergic nuclei in the brainstem. C. are selectively taken up by VLPO neurons. D. mimic noradrenaline and serotonin at several metabotropic receptors. E. excite several classes of neurons in the raphe.

e.) block the effects of tuberomammillary hypothalamic neurons.

Explanation:

Antihistamines can be regarded as drugs that use in treating allergic rhinitis as well as other allergies. Antihistamines are been taken by people as inexpensive as well as generic, and over-the-counter drug which gives relief from nasal congestion, dust mites and also

sneezing and hives caused by pollen.

The first-generation antihistamine diphenhydramine which is a first generation is active ingredient found in Benadryl, which provide relieve against running nose and sneezing. It should be noted that Antihistamines make people drowsy because they block the effects of tuberomammillary hypothalamic neurons.

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