Muscle tension
a. is created when tension generated by sarcomeres is transmitted via the connective tissue and tendons to the bones
b. is the force exerted on a muscle by the weight of an object
c. is greater than the load during an isometric contraction
d. is all of the above
e. is none of the above
A
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A person who has difficulty swallowing is diagnosed as having esophageal achalasia, a condition that involves the ANS. What division and action would you expect to be the cause of this problem?
A) defects in both sympathetic and parasympathetic responses, causing esophageal spasms B) sympathetic, which causes too-rapid peristaltic movement of the esophagus C) a defect in the sympathetic swallowing center that coordinates esophageal contraction D) parasympathetic, which causes excessive and irregular esophageal contraction E) None of the answers are correct.
Physiology is the study of
A) the structure of the body. B) the tissues and organs of the body at the microscopic level. C) the facial features as an indication of personality. D) growth and reproduction. E) the normal functions of the organ systems.
The artery at the pulse point found at the popliteal fossa is the ________
A) popliteal artery B) common carotid artery C) superficial temporal artery D) radial artery
During development, T lymphocytes are tested to make sure they react to antigen. In other words, they are tested to see if they are ________.
Fill in the blank(s) with the appropriate word(s).