Venous valves are responsible for
A) preventing anterograde flow.
B) channeling blood away from the heart.
C) channeling blood toward the heart.
D) preventing blood from re-entering a ventricle.
E) regulating blood pressure in veins.
C
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Following an automobile accident resulting in a cranial base fracture, a patient's tongue deviates to the right when protruded and he has moderate dysarthria. You suspect damage to the:
A) left hypoglossal nerve. B) right hypoglossal nerve. C) right glossopharyngeal nerve. D) left glossopharyngeal nerve. E) superior root of ansa cervicalis
Name the three types of neurons
What will be an ideal response?
The left atrium collects blood from the __________ and empties into the left ventricle.
pulmonary circuit portal circuit systemic circuit hypophyseal circuit all of the choices are correct
Which of the following cells has a flagellum?
A. A cell lining the respiratory tract B. A spermatozoon C. A cell specialized for absorption, such as an epithelial cell of the small intestine D. A cell lining the uterine tube E. A neuron