The extent of ventricular filling is the preload of the heart, whereas the magnitude of the arterial blood pressure is the afterload of the heart
Indicate whether the statement is true or false
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Acromegaly develops from a deficiency of the growth hormone
Indicate whether the statement is true or false
The most important factor in decreasing the intracellular concentration of calcium ion after contraction is
A) Active transport of calcium across the sarcolemma. B) Active transport of calcium into the sarcoplasmic reticulum. C) Active transport of calcium into the synaptic cleft. D) Diffusion of calcium out of the cell. E) Diffusion of calcium into the sarcoplasmic reticulum.
The endomysium of a muscle fiber is composed of loose connective tissue while the perimysium is composed of dense irregular connective tissue. What can you conclude about the function of the endomysium versus the function of the perimysium based on the
tissue differences? A) The endomysium only needs to electrically insulate the muscle fiber. B) The endomysium is under high levels of physical stress due to contraction of the muscle. C) The endomysium is effective at separating muscle fascicles. D) The endomysium only needs to form an electrical conduction pathway with the muscle fiber.
Which of the following actions does not need to occur at the temporomandibular joint when you are chewing a bite of a sandwich?
A. Depression B. Elevation C. Abduction D. Medial excursion E. Lateral excursion