Which muscle is the prime mover for the "up" part of a sit-up?
A. Rectus abdominis
B. Erector spinae
C. Trapezius
D. Serratus posterior
E. Rectus femoris
Answer: A
You might also like to view...
When dribbling a basketball, the radius is crossed over the ulna in the forearm. In other words, the forearm is
A. pronated. B. supinated.
Iron atoms help our blood transport oxygen. Describe each level of anatomical structural complexity for an iron atom in your blood, working from the simplest level (atom) to the most complex (organism).
What will be an ideal response?
Cite the major mechanisms that regulate and control digestive activities
A) local factors B) central nervous system reflexes C) local factors and neural mechanisms D) neural mechanisms and hormonal mechanisms E) local factors, neural mechanisms, and hormonal mechanisms
Regarding endocrine processes in cardiovascular regulation, long-term adjustments
A) involve sympathetic responses that adjust cardiac output and peripheral resistance to stabilize blood pressure and blood flow to tissues. B) involve alterations in blood volume that affect cardiac output and the transport of oxygen and carbon dioxide to and from active tissues. C) cause immediate, localized homeostatic adjustments. D) drastically alter blood pressure and blood flow to vital organs. E) involve the release of epinephrine and norepinephrine from the adrenal medullae, which stimulate cardiac output and peripheral vasoconstriction.