This tract is important in maintaining balance and controls eye movement
a. vestibulocerebellum
b. spinocerebellum
c. corticospinal
d. cerebrocerebellum
e. none of the above
A
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A patient takes a medication that blocks ACh receptors of skeletal muscle fibers. What is this drug's effect on skeletal muscle contraction?
A) increases tone in the muscle B) causes a strong contraction similar to a "charlie horse" cramp C) increases the muscle's excitability D) produces a strong, continuous state of contraction E) reduces the muscle's ability for contraction
The higher the jump, the "harder" the landing. This statement reflects which of the following laws?
A. the law of inertia B. the law of momentum C. the law of torque D. the law of action-reaction
Answer the following statements true (T) or false (F)
1. Sperm mature and develop their ability to swim as they pass through the epididymis. 2. The urethra carries sperm to the outside and is also part of the urinary system. 3. The bulbourethral gland produces a thick, yellowish fluid that makes up about 60% of the seminal fluid. 4. The prostate gland produces a thin, milk-colored fluid that makes up about 30% of the seminal fluid. 5. The seminal vesicles supply fructose for the seminal fluid to provide a source of energy for the sperm cells.
Define resting membrane potential
A) Resting membrane potential is the change in charge across the inner and outer membrane of a cell. B) Resting membrane potential is the membrane potential of an unstimulated cell. C) Resting membrane potential is a temporary, localized change in the potential of a cell. D) Resting membrane potential is the minimum ability of a cell to generate electrical impulses. E) Resting membrane potential is the resting speed a cell can propagate electrical impulses.