Which is not a reason the stomach is acidic?

A) Kills microorganisms.
B) Emulsification of lipids.
C) Denatures proteins.
D) Helps break down plant cell walls and connective tissue in meat.
E) Activates pepsin.


B

Anatomy & Physiology

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The gnostic area of the brain provides comprehensive understanding of a current activity. It is composed of portions of the

A.  parietal and frontal lobes. B.  occipital and parietal lobes. C.  temporal and occipital lobes. D.  parietal, occipital, and frontal lobes. E.  parietal, occipital, and temporal lobes.

Anatomy & Physiology

Serotonin

A. is a catecholamine neurotransmitter. B. acts as a neuromodulator. C. has an inhibitory effect on pathways that are involved in the control of muscles. D. has an excitatory effect on pathways that mediate sensations. E. is a neuropeptide.

Anatomy & Physiology

Answer the following statements true (T) or false (F)

1. An increased surface area in the inner wall of the small intestine assists in the proper metabolism of ingested food. 2. The villi in the inner wall of the small intestine contain a lymphatic vessel called a lacteal, which assists in absorption of fat. 3. The pylorus of the stomach empties into the duodenum of the small intestine. 4. The jejunum of the small intestine connects to the ascending colon. 5. The ileum of the small intestine connects to the descending colon at the ileocecal valve.

Anatomy & Physiology

An organ is described as follows: cords of cells radiating outward from a central vein with sinusoids between the cords of cells. The organ having this histological structure is the ________.

A. liver B. stomach C. pancreas D. gallbladder E. spleen

Anatomy & Physiology