Skeletal muscle can be tetanized; can heart muscle also be tetanized? Why or why not?
A) Yes, extrasystoles are evidence of tetanus.
B) Yes, all muscle can be tetanized.
C) No, heart muscle does not show summation and tetanus because of the long refractory period of cardiac muscle cells.
Answer: C
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Which labeled cell in the diagram will develop into thrombocytes?
a) G b) J c) K d) L e) E
Which statement best describes tendon sheaths?
A) Tendon sheaths protect long tendons as they course over and around synovial joints. B) Tendon sheaths connect one bone to another to strengthen and reinforce articulating bones. C) Tendon sheaths help anchor the tendon to the muscle. D) Tendon sheaths are lined with dense irregular connective tissue.
Proper treatment for an open wound to the neck includes:
A) administering 2 L of IV crystalloid solution. B) sealing the wound with an occlusive dressing. C) prompt transportation to a hyperbaric chamber. D) applying a circumferential pressure dressing.
Which of the following is not a connective tissue?
A. Areolar tissue B. Cartilage C. Blood D. Osseous tissue E. Skeletal muscle