RBCs move single file through this structure
A) artery
B) arteriole
C) capillary
D) venule
E) vein
Answer: C
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Along with insulin, amylin is a hormone that a diabetic pancreas fails to produce. It is comprised of a long chain of amino acids. It cannot cross the cell membrane, so it binds to a receptor on the cell surface to elicit an action. Which hormone class is amylin?
A. A protein hormone B. A peptide hormone C. A steroid hormone D. A prostaglandin
Which of the following best describes the orbicularis oris?.
A) It closes, purses, and protrudes the lips. B) It pulls the lower lip down and back. C) It draws the eyebrows together. D) It allows blinking, squinting, and various other protective mechanisms for the eye.
D) segmented worms
A) neural crest. B) neural tube. C) ventricle. D) ependyma. E) neural plate.
Match the acid-base disturbance with the clinical scenario and arterial blood gases. An individual with a 20-year history of smoking 3 packs/day who has emphysema; pH = 7.37; [HCO3-] = 28 mEq/L; PCO2 = 50 mm Hg
A. metabolic acidosis with respiratory compensation B. metabolic alkalosis with respiratory compensation C. respiratory acidosis with renal compensation (chronic respiratory acidosis) D. respiratory acidosis without renal compensation (acute respiratory acidosis) E. metabolic acidosis and respiratory acidosis