The first artery to branch from the aortic arch is the:
A. brachiocephalic artery.
B. internal carotid artery.
C. external carotid artery.
D. common iliac artery.
Answer: A. brachiocephalic artery.
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Schizophrenia is a disorder that is most often treated ___________
A. only in its acute phase B. over a short period of time C. primarily by the use of psychotherapy D. over an extended period of time
A(n) ________ is a localized elevation of the skin often accompanied by itching.
A. erosion B. wheal C. pustule D. macule
Neural signals about oxygen levels in the blood come from
A. osmoreceptors in the hypothalamus. B. oxygen receptors in the primary respiratory center. C. chemoreceptors in the carotid and aortic bodies. D. baroreceptors in the aorta and carotid arteries. E. hemoglobin detectors in the pons.
Positively charged ions are called cations.
Answer the following statement true (T) or false (F)