ANSWERS GRADED A+
After leaving the left ventricle, blood enters which of the following structures?
Select one:
a. Superior vena cava
b. Aorta
c. Inferior vena cava
d. Pulmonary artery ✔✔Aorta
Which of the following joints is between the metacarpals and phalanxes?
Select one:
a. Condyloid
b. Pivot
c. Saddle
d. Hinge ✔✔Condyloid
,According to continuing education requirements, which of the following is true?
Select one:
a. Accumulate 2 units of approved continuing education each year.
b. Accumulate 2 units of approved continuing education every 2 years.
c. Accumulate 3 units of approved continuing education each year.
d. Accumulate 3 units of approved continuing education every 2 years.
Check ✔✔Accumulate 2 units of approved continuing education every 2 years.
Which of the following muscles is a synergist during the seated cable row exercise?
Select one:
a. Latissimus dorsi
b. Pectoralis major
c. Biceps brachii
d. Rotator cuff ✔✔Biceps brachii
The autonomic nervous system contains which of the following subdivisions?
,Select one:
a. Sympathetic
b. Somatic
c. Peripheral
d. Central ✔✔Sympathetic
Increased force output of the synergists for hip extension to compensate for the weakened
gluteus maximus is an example of which of the following?
Select one:
a. Autogenic inhibition
b. Synergistic dominance
c. Davis's law
d. Arthrokinetic dysfunction ✔✔Synergistic dominance
According to the sliding filament theory, muscular contraction occurs when
, Select one:
a. actin and myosin filaments slide away from each other.
b. myosin cross bridge power strokes the actin filament across the myosin.
c. the distance from Z line to Z line is increased.
d. myofibrils are lengthened. ✔✔myosin cross bridge power strokes the actin filament across the
myosin.
During a 40-yard dash, the hamstring complex begins to do most of the work for a weakened
gluteus maximus. This is an example of which of the following concepts?
Select one:
a. Force-couple relationships
b. Synergistic dominance
c. Length-tension relationships
d. Arthrokinematic dysfunction ✔✔Synergistic dominance
Which of the following tests should a trainer use in his cardiorespiratory assessment to determine
in which heart rate training zone the training should begin?