The jejunum is part of which of the following?
A) small intestine
B) large intestine
C) esophagus
D) mouth
A
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What is the most common cause of prolonged vasoconstriction in the kidney?
A) Decreased blood pressure B) Antidiuretic hormone C) Increased blood pressure D) Diabetes mellitus
A buffer is ________
A) a substance that stabilizes pH B) a protein that catalyzes a faster chemical reaction C) a string of multiple peptides D) a molecule that hydrolyzes sugar molecules
Match the eye structure with the appropriate description.A. Blood vessels enter and the optic nerve exits hereB. A small yellow spot near the center of the posterior retinaC. The portion of the retina with the greatest visual acuityD. A jelly-like substance in the posterior cavity of the eyeE. The fluid that fills the anterior cavity of the eyeMacula
Fill in the blank(s) with the appropriate word(s).
What characteristic(s) of the respiratory membrane facilitate(s) gas exchange?
A. Large amount of tissue fluid to dissolve the gases B. Small surface area C. Simple squamous epithelium of the alveolus and capillaries D. Large groups of white blood cells in contact with the membrane