Conduction of a nerve impulse would be the fastest in which of the following?
A) A large diameter myelinated fiber
B) A small fiber with multiple Schwann cells
C) A large unmyelinated fiber
D) A small unmyelinated fiber
E) A small diameter myelinated fiber
A
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Tropic or trophic hormones
A) Are found in tropical organisms. B) Have the ability to cause other hormones to be released. C) Are secreted only from the hypothalamus. D) Both B and C
Answer the following statements true (T) or false (F)
1. Salts are lost from the body in perspiration, feces, and urine. 2. Hypoproteinemia reflects a condition of unusually high levels of plasma proteins and causes tissue edema. 3. Although the sodium content of the body may be altered, its concentration in the ECF remains stable because of immediate adjustments in water volume. 4. Sodium is pivotal to fluid and electrolyte balance and to the homeostasis of all body systems. 5. When aldosterone release is inhibited, sodium reabsorption cannot occur beyond the collecting tube.
________ teeth are the eight temporary incisors and canine teeth of young swine
Fill in the blank(s) with correct word
Choose the statement that correctly describes the auditory tube.
A. It is a passageway from the middle ear to the oropharynx. B. It opens due to the action of the stapedius muscle. C. It is usually collapsed. D. All of the choices are correct.