In which portion of the digestive tract are goblet cells the most abundant?
a. Duodenum
b. Esophagus
c. Jejunum
d. Large intestine
e. Stomach
ANS: D
By the time food has reached the large intestine, much of the water and nutrients has already been absorbed, so that denser and drier contents must be lubricated with a coating of mucus.
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A women patient complains to you that her breasts have a strange appearance. Upon examination you notice dimples in the skin of her breast. You know that the most likely explanation for these dimples (peau d' orange sign) is:
A) interference with lymph drainage. B) pregnancy. C) overproduction of milk. D) menopause. E) bacterial infection of the lactiferous ducts (ductus lactiferi).
The "O" in OD stands for __________
Fill in the blank(s) with correct word
In secondary active transport, energy is used directly in the entire process
a. True b. False Indicate whether the statement is true or false
Bile salts
a. aid fat digestion. b. aid fat absorption through micelle formation. c. are secreted into the bile. d. both (a) and (b) above. e. all of these answers.