The preganglionic fibers that carry visceral motor fibers and connect a spinal nerve with an sympathetic ganglion form the
A) white rami communicans.
B) gray rami communicans.
C) posterior ramus.
D) anterior ramus.
E) dermatomes.
Answer: A
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The period of development during which the contents of a zygote are divided into increasingly smaller cells is called ________.
Fill in the blank(s) with the appropriate word(s).
Which of the following movements is a good example of flexion?
A) opening the mouth B) turning the hand palm upward C) extreme bending of the head backwards D) bending the elbow E) spreading the fingers
Regarding sodium balance, which is (are) the most important site(s) for regulating sodium ion losses?
A) the kidneys B) the lungs C) the urinary bladder D) the liver E) the digestive tract
Chemical substances secreted by cells into the extracellular fluids and that regulate the metabolic function of other cells in the body are called ________
A) proteins B) enzymes C) antibodies D) hormones