Prevertebral ganglia are located
A. posterior to the vertebral column.
B. lateral to the vertebral column.
C. anterior to the vertebral column.
D. at the termination site of the postganglionic axon.
E. medial to the dorsal spinal columns.
C
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In order to retain heat, what occurs in the skin on a cold day?
A. Blood vessels of the dermis constrict. B. Blood vessels of the dermis dilate. C. Blood vessels of the epidermis constrict. D. Blood vessels of the epidermis dilate.
Which of the following occur as a result of inhibiting the release of chemical mediators of inflammation shortly after injury in a tissue?(1) Stimulation of pain receptors(2) Reduced stimulation of pain receptors(3) Increased permeability of blood vessels(4) Reduced permeability of blood vessels(5) Edema(6) Reduced redness
A. 1, 2, 5, 6 B. 2, 4, 5, 6 C. 2, 4, 6 D. 1, 3, 5, 6 E. 1, 2, 5
Axon collaterals of a first motor neuron (preganglionic neuron) of the autonomic nervous system synapsing with several second motor neurons in autonomic ganglia illustrate which type of neuronal circuit?
A) convergent pathway B) divergent pathway C) reverberating circuit D) parallel after-discharge circuit
Which of the following statements about hormone synthesis is NOT correct?
A. Progesterone can be a precursor of cortisol. B. Progesterone is a precursor of mineralocorticoid and glucocorticoid hormones. C. Pregnenolone is a precursor for all steroid hormones. D. Tryptophan is a precursor for thyroid hormones. E. Peptide hormones are polymers of amino acids.