The epidural space contains
A) lymph.
B) cerebrospinal fluid.
C) gray matter.
D) denticulate ligaments.
E) connective tissue and blood vessels.
E) connective tissue and blood vessels.
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Peptide hormones (chains of 50 or fewer amino acids) are first synthesized as
A) The hormone itself. B) Prehormones. C) Prohormones. D) Preprohormones.
What is the innermost lining of the heart wall referred to as?
A. Parietal pericardium B. Visceral pericardium C. Epicardium D. Endocardium E. Myocardium
Which of the following types of receptors will be affected by norepinephrine?
A) alpha- and beta-adrenergic B) muscarinic and nicotinic C) cholinergic D) Both A and B.
Cells of the central nervous system that engulf and destroy cellular debris and bacteria are called:
a. astrocytes b. afferent neurons c. oligodendrocytes d. microglia cells