In nervous tissue, a nucleus is defined as a collection of
A) myelinated axons in the CNS.
B) gray matter in the PNS.
C) gray matter in the CNS.
D) white matter in the PNS.
E) axons in the PNS.
Answer: C) gray matter in the CNS.
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What protects the superior opening of the larynx?
A) trachea B) epiglottis C) glottis D) thyroid cartilage
Which property of a membrane determines which molecules may enter or leave?
A) differentiation B) growth C) structural integration D) permeability E) cellular activation
The medial malleolus and lateral malleolus are located along the sides of the
A. knee. B. ankle. C. femoral region. D. cubital region. E. wrist.
Answer the following statements true (T) or false (F)
1. Lying in one position for a long period of time can cause a decubitus ulcer. 2. Apocrine and sebaceous glands are referred to as sudoriferous glands. 3. Both melanin and keratin are important in the protective function of skin. 4. Skin helps cool the body by producing sweat that evaporates and by constricting the blood vessels near the surface of skin. 5. The “rule of nines” is a method of determining the percent of body surface area in a part of the body.