What is the power stroke?
A. The movement of myosin head while attached to actin myofilament
B. A T tubule and two adjacent terminal cisternae
C. The combination of myosin heads with active sites on actin molecules
D. A protein found along the groove of the F-actin double helix
E. After exercise, the O2 taken in that exceeds the O2 required for resting metabolism
Answer: A
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In the anatomic position, the palms of the hands are facing ___________________.
Fill in the blank(s) with the appropriate word(s).
Which of the panels in the figure shows a movement called lateral flexion?
a) B b) F c) G d) D e) C
The hypochondriac region is located beneath the ________.
A. ribs B. heart C. stomach D. liver
Select the order of functional classes of synovial joints that represents the least number of axes to the most number of axes
A) uniaxial, biaxial, multiaxial (triaxial), nonaxial B) nonaxial, biaxial, uniaxial, multiaxial (triaxial) C) nonaxial, uniaxial, biaxial, multiaxial (triaxial) D) nonaxial, uniaxial, multiaxial (triaxial), biaxial