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
E
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What area in the figure is the sum of the tidal volume and the inspiratory reserve volume?
a) A b) B c) G d) E e) H
The dissolved substances and fluid that move from the glomerulus into Bowman’s capsule are called:
a. reabsorbed substances b. glomerular filtrate c. secreted substances d. none of the above
Cushing's syndrome is caused by long-term overproduction of ____
a. aldosterone b. melatonin c. cortisol d. estrogen
Electrolytes conduct electrical currents in solution
Indicate whether the statement is true or false