The cellular abnormality that causes cystic fibrosis is
A) abnormal potassium channels in heart muscle.
B) absence of the ability to feel pain.
C) abnormal chloride channels that trap salt inside cells lining the lung passageways.
D) extra receptors for a growth factor.
C
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A series of similar stimuli that induces change in local membrane potential is called ________.
Fill in the blank(s) with the appropriate word(s).
________ involves active inspiratory and expiratory movements and calls on accessory muscles to assist with inhalation, while exhalation involves contraction of the internal intercostal muscles and sometimes abdominal muscles, too
A) Eupnea B) Forced breathing C) Costal breathing D) Vital breathing E) Passive breathing
Which of the following effects is NOT associated with the hormone Angiotensin II?
What will be an ideal response?
Aldosterone secretion may be stimulated by ________.
A. elevated Na+ levels B. excess water intake C. ADH D. low K+ levels E. elevated K+ levels