When dissecting the sheep heart, it can be seen that the wall thickness of the pulmonary trunk and aorta is much greater than that of the superior and inferior venae cavae.
Answer the following statement true (T) or false (F)
True
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Denervated muscle fibers become progressively smaller and their content of actin and myosin decreases
Indicate whether the statement is true or false
Active tension in a muscle is defined as
A) the tension applied to load when the muscle is stretched but not stimulated. B) the tension applied to a load when myofilaments within sarcomeres minimally overlap. C) the tension applied to a load when the muscle contracts. D) muscle contraction produced wholly from complete tetanus.
The pituitary gland
A. is inferior to the splenium. B. is the “master gland” of the body. C. is an endocrine gland, but it does not actually manufacture any hormones. D. None of the above E. All of the above
You just ran over a skunk on your way to class. The odor was overwhelming and in response you wrinkled your nose in disgust by contracting your
A. nasalis muscle. B. procerus muscle. C. depressor anguli oris. D. frontal belly of the occipitofrontalis muscle. E. occipital belly of the occipitofrontalis muscle.