Which of the following muscles is the most active when doing push-ups?
A. Pectoralis minor
B. Latissimus dorsi
C. Trapezius
D. Biceps brachii
E. Pectoralis major
E. Pectoralis major
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The SMA feeds the
A. left half of the transverse colon, descending colon, and rectum. B. stomach, spleen, and liver. C. small intestines, cecum, ascending colon, and right half of the transverse colon. D. None of the above E. All of the above
Which of the following characteristics are associated with graded potentials?
a. They exhibit an "all-or-none" character. b. Their magnitude is related to the intensity of the stimulus that elicits them. c. They spread by active conductance. d. They occur only in axons.
Respiratory physiology is primarily the study of
A. the tissue composition of the airways, air sacs, and blood vessels. B. how gases are transferred between the lungs and the blood vessels supplying them. C. the branching pattern of the small airways of the lungs. D. cell shape within the alveoli of the lungs.
The cells that perform immunological surveillance are the ________ cells
A) NK B) plasma C) B D) helper T E) suppressor T