The ________ can be calculated by multiplying breathing rate by tidal volume.
A. inspiratory reserve volume
B. inspiratory capacity
C. minute respiratory volume
D. anatomic dead space
E. alveolar ventilation rate
Answer: C
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The chemical reactions involving the three classes of energy-rich organic molecules are collectively known as ____________________
Fill in the blank(s) with correct word
What would occur if ACh was not removed from the nicotinic receptors on skeletal muscle cells?
a. The cell would relax. b. The cell would repolarize with the opening of chloride channels. c. The cell would remain contracted until fatigued. d. Sodium would continue to move into the cell, causing excitation. e. Both c and d would occur.
During pregnancy, the ____________________ expands to accommodate the growing embryo and a large amount of fluid.?
Fill in the blank(s) with correct word
If the chemically gated sodium channels in the postsynaptic membrane were completely blocked,
A) synaptic transmission would fail. B) release of neurotransmitter would stop. C) smaller action potentials would result. D) repolarization of the cell would stop. E) more action potentials would occur.