The esophagus is a structure that
a. produces and releases digestive enzymes but not hormones.
b. does not produce digestive enzymes but does release hormones.
c. does not produce or release digestive en-zymes or hormones.
d. produces only small amounts of digestive enzymes or hormones.
C
The esophagus does not produce or release digestive enzymes or hormones. It simply transports food boluses from the mouth to the stomach.
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The researcher has discovered that study data have tested three hypotheses that were not stated in the original research design. How would the research reader identify these hypotheses?
1. They are reported as "additional" comparisons. 2. They are reported as "serendipitous" comparisons. 3. They are reported as "ad hoc" comparisons. 4. They are reported as "extra" comparisons.
What is typical of job satisfaction levels?
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A patient enjoys exercising and wants to know if it can continue to be done while pregnant. What should the nurse instruct the patient about exercising at this time? (Select all that apply.)
A) Drink plenty of liquids to prevent dehydration. B) Limit strenuous exercise to no longer than 20 minutes. C) Eat a low-protein, simple carbohydrate snack before exercising. D) Warm up for 5 minutes by walking or cycling on low resistance. E) Avoid exercises that require jumping or rapid changes in direction.