What type of protein fiber, commonly found in the extracellular matrix, is extensible?
A) elastic B) reticular C) collagen D) keratin
Answer: A
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Which are functions performed by the fibrous skeleton of the heart?
a: Separates the atria and ventricles b: Anchors the heart valves c: Provides electrical insulation between the atria and ventricles d: Provides the framework for the attachment of the myocardium e: None of these are true functions of the fibrous skeleton of the heart A. a, d B. b, d C. a, c, d D. a, b, c, d E. e
Hip dysplasia is common in which dog breed
a. german shepard c. beagle b. poodle d. pug
What can occur from a deficiency of vitamin C?
a. Scurvy. b. Night blindness. c. Nerve problems. d. Pernicious anemia.
Which portion of the renal tubule has a brush border created by the presence of many microvilli?
A) distal tubule B) ascending limb of the nephron loop (loop of Henle) C) proximal tubule D) descending limb of the nephron loop (loop of Henle)