If abnormal development occurs in the myelencephalon, which of the following structures may be affected?
A. Thalamus
B. Medulla oblongata
C. Fourth ventricle
D. Both "Fourth ventricle" and "Medulla oblongata" are correct.
Answer: D
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Jane has Type A blood; therefore, she
A) has antibodies to B agglutinogens. B) can give blood to other people with Type A blood only. C) can receive blood from other people with Type A blood only. D) makes anti-A without ever having been exposed to Type A blood. E) has B antigen on her RBCs.
Blood returning from the lungs
a. enters the right atrium b. enters the left atrium c. is poorly oxygenated d. passes through the pulmonary valve before entering the heart e. pass through the aortic valve before entering the heart
The part of the ethmoid bone riddled with holes that provides passage for the olfactory nerves is the ________ plate.
Fill in the blank(s) with the appropriate word(s).
Heart rate is increased by the release of epinephrine by the adrenal medulla into the bloodstream. This is an example of
A. endocrine control B. exocrine control C. paracrine control D. direct neural control E. positive feedback