The part of the descending aorta that extends from the thorax to the diaphragm is the
A. ascending aorta.
B. aortic arch.
C. thoracic aorta.
D. abdominal aorta.
Ans: C. thoracic aorta.
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What does the ectoderm form?
A) internal epithelial layer of the urinary system B) internal epithelial layer of the digestive system C) neural plate and neural tube D) gonads and kidneys
A skeletal muscle fiber contains many nuclei.
Answer the following statement true (T) or false (F)
Excessive tear production is termed:
A) proptosis B) episcleritis C) aphakia D) epiphora
In fever production,
a. endogenous pyrogen released from neurons of the cerebral cortex in response to an infection elevates the hypothalamic "set point." b. cold response mechanisms are initiated by the hypothalamus to raise the body temperature to the new set point. c. heat loss mechanisms are triggered to eliminate the excess heat from the body. d. both (a) and (b) above. e. both (a) and (c) above.