In the human nervous system: most of the cells are neurons. most of the cells are glia cells. there are almost equal numbers of glia cells and neurons. the ratio of cells is unknown because of the complexity of the nervous system.

there are almost equal numbers of glia cells and neurons.

The peripheral nervous system includes: only spinal nerves. only spinal nerves and their branches. only cranial nerves, spinal nerves, and their branches. cranial nerves, the spinal cord, spinal nerves, and their branches.

only cranial nerves, spinal nerves, and their branches.

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Brian limprecht

Weeks 6-13

Question	Answer
Another name for a sphincter muscle is a _____ muscle. spiral circular fusiform convergent	circular
The muscle(s) assisting in rotating the arm outward is (are) the: teres minor. latissimus dorsi. supraspinatus. All of the above are correct.	teres minor.
The linea alba is a band of connective tissue that runs over the rectus abdominis from the xiphoid process to the pubis. True False	False
In the human nervous system: most of the cells are neurons. most of the cells are glia cells. there are almost equal numbers of glia cells and neurons. the ratio of cells is unknown because of the complexity of the nervous system.	there are almost equal numbers of glia cells and neurons.
Astrocytes attach to: neurons. oligodendrocytes. blood vessels. both A and C	both A and C.
he brain has _____ major divisions. three five six eight	six
The peripheral nervous system includes: only spinal nerves. only spinal nerves and their branches. only cranial nerves, spinal nerves, and their branches. cranial nerves, the spinal cord, spinal nerves, and their branches.	only cranial nerves, spinal nerves, and their branches.
Nerve fibers of the spinothalamic tract are: sensory. motor. descending. none of the above.	sensory.
Some parasympathetic postganglionic neurons have their cell bodies in nuclei in the brainstem. True False	False
Receptors for hearing are located in the semicircular canals. cochlear duct. tympanic membrane. middle ear.	cochlear duct.
Melanin-containing layer of the eye's vascular tunic. cornea lens choroid ciliary body sclera	choroid
Which of the following endocrine glands develops primarily from the endoderm of the pharynx? pineal anterior and posterior lobes of the pituitary adrenal medulla thyroid and parathyroids	thyroid and parathyroids
The primary organ of the lymphatic system is the thalamus. thyroid. thymus. spleen.	thymus
Interferon inhibits the spread of: A. viruses. B. bacteria. C. B cell antibodies that attack cancer. D. Both A & B E. Both B & C	D. Both A & B
The size of lymph nodes varies from _____ mm to more than _____ mm in diameter. 1; 20 10; 35 20; 45 30; 65	1; 20
The structure in the neck known as the “Adam’s apple” is the: epiglottis. cricoid cartilage. glottis. thyroid cartilage.	thyroid cartilage.

Created by: bsaleens281

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