Which is not one of the three structural features of the small intestine that increase its surface area?
A) large circular folds in the wall of the small intestine
B) sphincters
C) villi
D) microvilli
Ans: B) sphincters
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"Performs other duties as assigned" is a statement in a job description that:
a. is an "escape clause" that protects managers from being denied a request b. keeps employees from making judgments and acting independently. c. is unneeded when employers have daily contact with their supervisor. d. is the same as the statement "performs their duties as needed."
Alcohol abuse affects all of these organs except the _____
a. lungs b. liver c. GI tract d. heart e. pancreas
How does a double-blind experiment work?
a. Both subject groups take turns getting each treatment. b. Neither subjects nor researchers know which subjects are in the control or experimental group c. Neither group of subjects knows whether they are in the control or experimental group, but the researchers do know. d. Both subject groups know whether they are in the control or experimental group, but the researchers do not know. e. Neither the subjects nor the persons having contact with the subjects know the true purpose of the experiment.
Which of the following indicators would be the earliest sign of iron deficiency?
a. Increased transferrin b. Decreased hemoglobin c. Decreased mean corpuscular volume d. Pale skin