Antihistamines Are Used to Treat Some Allergic Symptoms Because They

question 4

True/False

Antihistamines are used to treat some allergic symptoms because they neutralize the histamine mediators that cause rapid dilation of blood vessels and contraction of smooth muscles that initiate the symptoms of systemic anaphylaxis.

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Definitions:

Membranous Urethra

The portion of the urethra in males that runs through the urogenital diaphragm, involved in urine and reproductive fluid discharge.

Seminal Vesicle

A pair of glands that open into the vas deferens near its junction with the urethra and secrete many of the components of semen.

Infundibulum

A funnel-shaped structure, found in various organs, such as the brain (connecting the hypothalamus to the pituitary gland) or in the reproductive system (the ovarian tube).

Fimbriae

Series of thread-like projections surrounding the ostium of the fallopian tube, involved in capturing the ovum after ovulation.