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Anatomy Stack 2
Question | Answer |
---|---|
Muscles that contract at the same time as the prime mover are called: | synergists. |
The sternocleidomastoid muscle is an example of a muscle named for its: | function. |
A muscle is attached to the femur and tibia. Its function or action is to bend the knee. When it contracts, it is acting as the: | synergists. |
The afferent pathways of the autonomic nervous system: | carry feedback information to integrating centers in the brain. |
Interneurons reside in the: | CNS only. |
Multipolar neurons have: | multiple dendrites and one axon. |
Which is true of a reflex arc? | It always consists of an afferent neuron and an efferent neuron. |
A neuron that transmits a nerve impulse toward the central nervous system is called a(n): | sensory neuron. |
Which is not true about sympathetic postganglionic neurons? | They produce acetylcholine. |
There are _____ ventricles in the brain. | four |
The brain has _____ major divisions. | six |
All cell bodies of the autonomic nervous system are located within the CNS. True or False | False |
The autonomic nervous system includes only efferent neurons. True or False | False |
Endolymph is made | in the stria vascularis. |
Fluid filling the posterior segment of the eye. | vitreous humor |
The hormone produced by the heart | increases the excretion of sodium in the urine. |
The _____ drains much of the superficial leg and foot. | great saphenous vein |
During pregnancy, what happens to the oxygenated blood returned from the placenta via the umbilical vein? | It flows into the inferior vena cava. |
Which division of the autonomic nervous system sends fibers to the heart? | sympathetic and parasympathetic |
The heart valves that are located where the trunk of the pulmonary artery joins the right ventricle and where the aorta joins the left ventricle are called | semilunar valves. |
The presentation of an antigen by an antigen-presenting cell activates the T cell. The cell then divides repeatedly to form a clone of identical sensitized T cells that form | effector T cells and memory cells. |