Whole muscle tension depends on all of the following except
a. number of muscle fibers contracting
b. tension produced by each contracting fiber
c. extent of motor-unit recruitment
d. frequency of stimulation
e. the proportion of each motor unit used at any given time
E
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If a front vowel is produced with a retracted tongue position, it might be perceived as if it had qualities of which vowel?
a) a back vowel b) a central vowel c) a high-front vowel d) a low-front vowel
The articulation that most closely resembles a hinge in the body involves which bones?
A) humerus-ulna B) humerus-radius C) femur-tibia D) femur-fibula
Mrs. Becker is trying to become pregnant. One of the Beckers' favorite ways of relaxation is to soak in the hot tub while drinking wine. A year has gone by with no pregnancy occurring, so they visit your clinic. You conclude that the hot tub is a possible factor in Mr. Becker's infertility. Angered and insulted, both assure you that they have no difficulty having intercourse, unless Mr. Becker
has had too much wine, which happens infrequently. How will you explain to them the difference between impotence and infertility? Why should you suspect the hot tub as a factor in Mr. Becker's lowered sperm count? Is the wine a factor as well? What will be an ideal response?
Meiosis I is a reduction division
Indicate whether the statement is true or false.