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Physiology Set 2

QuestionAnswer
What is the most abundant cation in extracellular fluid? Sodium
Hydrolysis refers to: using water to split larger compounds into smaller ones.
_____ is the passage of substances through the intestinal mucosa into the blood or lymph. Absorption
Peristalsis is regulated in part by the intrinsic stretch reflexes. It is also thought to be stimulated by the hormone cholecystokinin (CCK)
When the pressure in the lung is greater than atmospheric pressure: expiration occurs.
Which of the following is NOT a means of transporting oxygen in the blood? Combined with the bicarbonate ion (HCO3–)
During inspiration, the expansion of the lungs causes: a decrease in alveolar pressure.
The presentation of an antigen by an antigen-presenting cell activates the T cell. The cell then divides repeatedly to form a clone of identical sensitized T cells that form effector T cells and memory cells.
Recognition of antigens by antibodies occurs when an antigen’s epitopes fit into and bind to an antigen molecule’s antigen-binding site.
What causes the ventricles to contract? The inpulse to the Perkinje Fiber
Which is NOT true of the hormone somatostatin? It stimulates the secretion of insulin.
The receptors responsible for sensing crude and persistent touch are the: Ruffini corpuscles.
Movement of hair cells in the organ of Corti against the _____ membrane can stimulate nerve impulse condition. tectorial
The parasympathetic and sympathetic divisions always act with a cooperative influence, and through summation of the impulses, the effect can be increased. False
Which of the following is not a function of the hypothalamus? Regulation of motor activity
The reticular activating system maintains consciousness.
Created by: Christine_M
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