Hypothetically, if a muscle were stretched to the point where thick and thin filaments no longer overlapped, ________
A) maximum force production would result because the muscle has a maximum range of travel
B) ATP consumption would increase because the sarcomere is "trying" to contract
C) no muscle tension could be generated
D) cross bridge attachment would be optimum because of all the free binding sites on actin
C
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Formed primarily of tunica intima and strengthened by elastic and collagen fibers, the ________ in veins prevent blood from pooling.
Fill in the blank(s) with the appropriate word(s).
The organ that monitors and adjusts the composition of tubular fluid, recycles damaged sperm, and is the site of sperm maturation is the
A) ductus deferens. B) rete testis. C) seminal gland (seminal vesicle). D) epididymis. E) prostate gland.
Which of the choices below is not a functional process performed by the respiratory system?
A) pulmonary ventilation B) transport of respiratory gases C) external respiration D) pulmonary respiration
Information about pressure and gas concentration in the aorta travels to the medulla via (the)
A) thoracic nerves. B) glossopharyngeal nerve. C) cervical nerves. D) vagus nerve. E) None of the answers are correct.