Mucosae are generated from:
a. Ectoderm
b. Mesoderm
c. Endoderm
d. Chorion
Ans: c. Endoderm
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A) small intestine. B) liver. C) parotid salivary gland. D) pancreas. E) stomach.
Tracheal cartilages provide for ________ on the ________ aspect of the trachea.
A. rigidity; anterior B. flexibility; posterior C. flexibility; anterior D. rigidity; posterior
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
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