Which of the following give rise to the cells that produce antibodies?
A. B lymphocytes
B. T lymphocytes
C. Macrophages
D. All apply.
Answer: A
Anatomy & Physiology
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Which of the following is not true of the enteric nervous system?
A. Neurons are embedded in the wall of the digestive tract. B. It innervates smooth muscles and glands. C. Some of the fibers arise in the brainstem. D. It regulates motility of the esophagus, stomach, and intestines. E. It has its own reflex arcs.
Anatomy & Physiology
From what are catecholamines derived?
a. lysine b. tryptophan c. testosterone d. tyrosine e. arginine
Anatomy & Physiology
A network of interwoven anterior rami of spinal nerves is a
A. ganglion. B. dermatome. C. ramus. D. communicans. E. plexus.
Anatomy & Physiology
Which structure would NOT be found in the vascular layer?
-iris -ciliary body -cornea -choroid
Anatomy & Physiology