The first branch off the abdominal descending aorta is the superior mesenteric artery (SMA).
Answer the following statement true (T) or false (F)
False
Rationale: The first branch off the abdominal descending aorta is the celiac artery.
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Approximately the last 15 cm of the digestive tract is the
A) anus. B) anal canal. C) rectum. D) sigmoid colon. E) rectal column.
What is the definition of a "motor unit"?
A. a single motor neuron plus all the muscle fibers it innervates B. a single muscle fiber plus all of the motor neurons that innervate it C. all of the motor neurons supplying a single muscle D. a pair of antagonistic muscles E. all of the muscles that affect the movement of any given joint
The lowest metabolic rate occurs
a. during sleep b. during a basal metabolic rate determination c. during exercise d. after a meal e. in males compared to females
The blood is injected with a special dye that stains the areas where it passes through. Where in the brain and spinal cord would you expect to see the stain?
A. No stain would be found inside the cranium or vertebral column. B. The space outside of the dura mater (between dura mater and bone) would be stained. C. Any space occupied by the CSF would be stained. D. The brain and spinal cord would be stained.