The depth and rate of respiration influence blood levels of hydrogen ion.
Answer the following statement true (T) or false (F)
True
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What effect did decreasing the extracellular sodium have on the resting membrane potential?
A) Only a small change occurred, because the resting neuron is not very permeable to sodium. B) Only a small change occurred, because the sodium channels were mostly open. C) The resting membrane potential disappeared. D) The resting membrane potential became less negative.
Swallowing
a. includes the movement of the bolus from the mouth to the stomach. b. includes only the movement of the bolus from the mouth to the esophagus. c. is a sequentially programmed, multiple response, all-or-none reflex. d. both (a) and (c) above. e. both (b) and (c) above.
In a patient taking a hypothetical immunosuppressive drug, all adaptive responses are inhibited. All innate immune responses are still functional, although some are reduced in strength. While taking this drug, which of the following events will still occur in response to infection?
A. Production of antibodies that bind to antigens B. Antigen interaction with lymphocytes C. Activation of lymphocytes D. Vasodilation of local blood vessels E. B-cell differentiation into plasma cells
Which of the following muscles does not attach the scapula to the spine?
A. levator scapula B. rhomboids C. trapezius D. deltoid E. pectoralis minor