A child is brought to a gastroenterologist because of persistent diarrhea, particularly after ingesting fatty meals. An extensive workup eventually reveals that the child lacks the ability to synthesize peptide YY
The increased stool volume seen in the child is most likely primarily ascribable to abnormally high active secretion of which of the following?
A. short chain fatty acids
B. Na+
C. K+
D. Cl-
E. triglycerides
ANS: D
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Match the organelle (1-4 ) with the correct description (5-8). 1 ) mitochondrion 5 ) synthesizing molecules 2 ) centriole 6 ) liquid in cell 3 ) endoplasmic reticulum 7 ) provides cell with energy 4 ) cytosol 8 ) aids the formation of the spindle apparatus
A) 1 and 7, 2 and 6, 3 and 8, 4 and 5 B) 1 and 8, 2 and 5, 3 and 6, 4 and 7 C) 1 and 7, 2 and 8, 3 and 5, 4 and 6 D) 1 and 5, 2 and 6, 3 and 7, 4 and 8 E) 1 and 6, 2 and 8, 3 and 5, 4 and 7
The division of each primary spermatocyte produces a pair of ________.
Fill in the blank(s) with the appropriate word(s).
In general, a skeletal muscle is composed ofa: connective tissue sheathsb: nervesc: arteriesd: veinse: muscle fibers
A. a, b, c, d, e B. a, b, c, e C. a, b, d, e D. b, c, d, e E. a, b, c, d
Carbon dioxide binds to hemoglobin in the same binding site as oxygen does.
a. true b. false