Mucosae are generated from:

a. Ectoderm
b. Mesoderm
c. Endoderm
d. Chorion


Ans: c. Endoderm

Anatomy & Physiology

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Maltase, sucrase, and lactase are carbohydrases produced by the

A) small intestine. B) liver. C) parotid salivary gland. D) pancreas. E) stomach.

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Tracheal cartilages provide for ________ on the ________ aspect of the trachea.

A. rigidity; anterior B. flexibility; posterior C. flexibility; anterior D. rigidity; posterior

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The presence of vasopressin acts to prevent the reabsorption of water from the distal and collecting tubules

Indicate whether the statement is true or false

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What is the general purpose of positive feedback mechanisms?

A. to maintain a constant internal environment B. to anticipate changes in the environment C. to return a variable toward the set point D. to bring about a rapid change in the body E. to detect changes in the external environment

Anatomy & Physiology