The innermost layer of the GI tract is the
A) serosa.
B) muscular layer.
C) mucosa.
D) peritoneum.
Ans: B) muscular layer.
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Among the effects of dehydration is a(n) _____
a. increase in the resting heart rate b. lack of thirst c. susceptibility to arthritis d. frequency of urination e. decrease in the resting heart rate
What is the recommended criteria for use of enteral feedings in a pediatric patient?
A. weight loss of 5 pounds in 6 months B. unable to obtain 20% of caloric needs by mouth C. requiring over 4 hours a day to eat D. inadequate oral intake for over 48 hours E. persistent TSF below the 50th percentile
What are the known effects of raising animals on diets containing retinoic acid as the only source of vitamin A??
A) ?Growth is stunted. B) ?Blindness develops. C) ?Retinal synthesis is stimulated. D) ?Retinol synthesis is stimulated.
All of the following are true regarding food additives EXCEPT:
a. unintentional additives include potassium benzoate and xanthan gum. b. the most common additives are sugar and salt. c. they may be either intentional or unintentional additives. d. the term food additive refers to any substance added to food that becomes part of the food.