Which of the following biomaterials has the highest specific gravity?
A) Cartilage
B) Protein
C) Triglyceride
D) Squalene
Answer: A
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Which of the following groups of bones, based on shape, is associated with an incorrect
example? A) Long bones - forearm bones B) Irregular bones - vertebrae C) Short bones - wrist and ankle bones D) Flat bones - thigh bones
The normal pH for urine
A. is anything below 7.0. B. is anything above 7.0 C. ranges between 4.5 and 8.0. D. ranges between 3.0 and 6.0. E. ranges between 8.0 and 9.0 for someone with a diet high in protein.
Which of the following is NOT one of the body's physiological chemical buffering systems?
A) bicarbonate B) hydrochloride C) phosphate D) Hydrochloride, bicarbonate and phosphate are all buffering systems
What region of the retina contains a high density of photoreceptor cells and allows for extremely detailed vision?
A) ciliary body B) optic disc C) fovea centralis D) ora serrata