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
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
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