Which of the following ensures that cardiocytes do not pull apart during muscular contraction?
A. Chordae tendinae
B. Papillary muscles
C. Gap junctions
D. Desmosomes
E. Trabeculae carneae
D. Desmosomes
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Fluid-filled sacs associated with synovial joints are ________.
Fill in the blank(s) with the appropriate word(s).
In uncompensated respiratory acidosis, the ______
A) carbon dioxide level of the blood is normal B) carbon dioxide levels of the blood are elevated C) carbon dioxide levels of the blood are low D) pH of the blood is high
Which of the following contributes the most to holding the head of the humerus in the glenoid cavity in the shoulder joint:
A: the articular capsure B: coracohumeral ligament C: glenohumeral ligament D: glenoid labrum E: musclces of rotator cuff
Which of the following promotes elastic recoil of the lungs?
a. elastic fibers in the lung. b. surface tension of the fluid lining the alveoli. c. pulmonary surfactant. d. both (a) and (b) above. e. all of these answers.