The Urinary Bladder

question 95

Multiple Choice

The urinary bladder

• A)contains only skeletal muscle.
• B)receives urine from two urethras.
• C)causes diuresis in response to ADH deficiency.
• D)causes micturition when the detrusor muscle contracts and the internal sphincter relaxes.

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Definitions:

Voltage-Gated Channels

Protein channels in cell membranes that open or close in response to changes in membrane potential, crucial for nerve impulse transmission.

Receptor Proteins

Proteins on the surface of cells that bind to specific molecules, initiating a biological response.

Chemical Signal Molecules

Substances released by cells that transmit messages to other parts of the body to initiate, amplify, or inhibit biological processes.

Enzymes

Biological molecules that act as catalysts to speed up chemical reactions in living organisms, crucial for metabolic processes.