A blood sample is taken from an individual whose blood osmolality is 295 mOsm/kg H2O. Red blood cells from this sample are then placed in the following solutions
Osmolality (mOsm/kg H2O) ? of solute
1. NaCl 300 1
2. fructose 300 0.5
3. urea 300 0
4. CaCl2 100 1
5. KCl 150 1
The red blood cells in which of these solutions will swell to the greatest degree?
A. 1
B. 2
C. 3
D. 4
E. 5
ANS: C
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A 19-year-old young woman with a long history of irritable bowel syndrome presents for the possibility of surgical resection of the gastrointestinal (GI) tract where the vagal parasympathetic innervation terminates. Which of the following sites is most appropriate for surgical resection?
(A) Duodenojejunal junction (B) Ileocecal junction (C) Right colic flexure (D) Left colic flexure (E) Anorectal junction
The sensory receptors for gustation are called ________
A) papillae B) taste buds C) transitional cells D) basal cells
The most superior aspect of the heart is the ____________________.
Fill in the blank(s) with the appropriate word(s).
The neural "wiring" of a single reflex is called a(n)
A) reflex arc. B) ramus. C) ganglion. D) tract. E) circuit.