How does the highly acidic fluid in the stomach become slightly basic almost immediately upon entry into the small intestine?
A) The acids are absorbed by the small intestine as soon as they leave the stomach.
B) The acids in this fluid are neutralized by the amylase secreted from the pancreas.
C) The acids in this fluid remain in the stomach and only the partially digested food enters the small intestine.
D) The acids in this fluid are neutralized by the sodium bicarbonate secreted from the pancreas.
D
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Which of the following is a part of the first law of thermodynamics?
a. Energy can be neither created nor destroyed. b. Energy cannot be transformed. c. The entropy of the universe is constant. d. The entropy of the universe is decreasing. e. Potential energy is the energy of motion.
Which of the following is responsible for the storage of extra bile, used to aid in the digestion of fats?
A. gallbladder B. liver C. pancreas D. stomach E. small intestine
In the motility test medium, the growth of bacteria is detected by the reduction of which dye which has a reddish color?
A. Neutral red B. Methyl red C. Tetrazolium salt (TTC) D. Phenol red E. Eosin Y dye
Respond to the following statements in reference to the five stages or structures involved in the development of the human egg. Answers may be used more than once or not at all.
A. This diploid germ cell produces primary oocytes by mitosis. B. Human females are born with about 2 million of these cells that entered meiosis but stopped in prophase I. C. This cell becomes the mature egg only after fertilization in humans. D. This cell is the first sex cell stage to be in the haploid state. E. This cell contains a haploid set of chromosomes but will never be fertilized; often disintegrates and is reabsorbed in the body. F.