The passive reabsorption of urea is indirectly linked to the active reabsorption of:
a. potassium
b. chloride
c. sodium
d. glucose
e. phosphorus
c
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If carbon dioxide levels rise in the body, negative feedback mechanisms will trigger
A. an increase in breathing so that carbon dioxide levels decline to the set point.? B. an increase in breathing so that carbon dioxide levels rise further above set point.? C. a decrease in breathing so that carbon dioxide levels rise to the set point.? D. a decrease in breathing so that carbon dioxide levels decline below set point.
The gripping of the trochlea by the trochlear notch constitutes the "hinge" for the elbow joint
Indicate whether the statement is true or false
The diaphragm is attached to the inferior, rounded tip of the heart, called the ________, which points laterally.
A) base B) inferior border C) apex D) diaphragmatic surface E) left border
Preganglionic fibers run from the ________ to the ________
A) gray matter; posterior root ganglia B) autonomic ganglia; visceral effectors C) posterior root ganglia; gray matter D) gray matter; autonomic ganglia E) posterior root ganglia; autonomic ganglia