The Toxin of Vibrio Cholerae Causes Profuse Diarrhea Because It

question 47

Multiple Choice

The toxin of Vibrio cholerae causes profuse diarrhea because it

• A) modifies a G protein involved in regulating salt and water secretion.
• B) decreases the cytosolic concentration of calcium ions, making the cells hypotonic.
• C) binds with adenylyl cyclase and triggers the formation of cAMP.
• D) signals IP₃ to act as a second messenger for the release of calcium.
• E) modifies calmodulin and activates a cascade of protein kinases.

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Definitions:

Pilonidal Cyst

A cyst that occurs near the coccyx or tailbone, often filled with hair and skin debris.

Rectal Polyp

A small clump of cells that forms on the lining of the rectum, which can be benign or a precursor to cancer.

Carcinoma

A type of cancer that begins in the skin or in tissues that line or cover internal organs.

Toilet Train

The process of teaching a young child to use the toilet for urination and defecation.