Which of the following is not a trigger for mass movements of the colon?
A. Chyme filling the duodenum
B. Chyme filling the stomach
C. The duodenocolic reflex
D. The gastrocolic reflex
E. The colorectal reflex
Answer: E
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The imaging technique that assesses metabolic and physiological activity of a structure is called a
A) PET scan. B) ultrasound. C) digital subtraction angiography. D) MRI. E) CT scan.
Copd:
a. affects inspiration to a greater degree than expiration b. forces small airways to stay open during expiration c. is the same as apnea d. increases airway resistance e. makes inspiration easier
Hematocrit is usually about ________ %.
A. 45 B. 15 C. 95 D. 55
Freckles are the result of
A. melanocyte activity, genetic inheritance, and sun exposure. B. melanocyte activity and diet. C. melanocyte number and sun exposure. D. melanocyte number and genetic inheritance. E. melanocyte number, genetic inheritance, and diet.