The ilium is part of the pelvic girdle.
Answer the following statement true (T) or false (F)
True
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Match the potential or potential change with the causative circumstances. Assume ion movements are net movements. Answers may be used more than once or not at all.
1. Na+ enters the cell 2. K+ leaves the cell 3. Cl- enters the cell 4. membrane potential is 0 mV A. resting membrane potential B. hyperpolarization C. depolarization D. repolarization E. more than one of the answers
Under normal conditions, when _______ pressure becomes greater than _______ pressure, air will flow out of the lungs
a. intra-alveolar, atmospheric b. intra-alveolar, intrapleural c. intrapleural, intra-alveolar d. intrapleural, atmospheric e. atmospheric, intra-alveolar
Which of the following is a correct statement about stratified epithelia?
A) They afford little mechanical protection. B) They are characteristic of regions where secretion or absorption occurs. C) They line only internal compartments and passageways. D) They cover surfaces that are subjected to mechanical or chemical stress. E) They are vascular.
Low PO2 and high PCO2 in the alveoli will cause:
A. constriction of pulmonary capillaries and bronchioles. B. dilation of pulmonary capillaries and bronchioles. C. constriction of pulmonary capillaries and dilation of bronchioles. D. dilation of pulmonary capillaries and constriction of bronchioles.