The two classes of adrenergic receptors are
A. nicotinic and cholinergic.
B. muscarinic and terminal.
C. muscarinic and nicotinic.
D. alpha and beta.
E. splanchnic and terminal.
Answer: D
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About seventy percent of the ventricle filling is achieved passively without the contraction of the atria.
Answer the following statement true (T) or false (F)
The fluid that is transported by the lymphatic vessels, similar in composition to blood plasma but lower in protein concentration, is the ________.
Fill in the blank(s) with the appropriate word(s).
The study of joint structure, function, and dysfunction is called ________.
A. arthrology B. biomechanics C. kinesiology D. osteology E. synostology
In the ________, nutrients are actively reabsorbed.
A. collecting ducts B. distal convoluted tubules C. nephron loops D. proximal convoluted tubules