The type of receptor within the GI tract wall that detects stretch is the

A. retroperitoneal proprioceptor.
B. mechanoreceptor.
C. steroid receptor.
D. chemoreceptor.


Answer: B

Anatomy & Physiology

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The concentration of calcium ions in extracellular fluid is regulated primarily by a hormone secreted by the ________ glands.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

The LD50/ED50 is the mathematical expression of what value?

a. the lethal dose b. the effective dose c. the margin of safety d. the mortality dose

Anatomy & Physiology

Lactase is an enzyme that digests lactose.

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

Anatomy & Physiology

The partial pressure of oxygen decreases at high altitude because the amount of oxygen in the air is decreased.

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

Anatomy & Physiology