The P wave of the ECG represents ________
A) depolarization of the ventricles B) repolarization of the ventricles
C) repolarization of the atria D) depolarization of the atria
Answer: D
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Which of the following is not associated with spongy bone?
A. Trabeculae B. Canaliculi C. Osteons D. Osteocytes
Histamine increases blood flow and vascular permeability. This would account for all of the following changes that occur during inflammation except
A) redness of the inflamed tissue. B) chemotaxis of phagocytes. C) heat of the inflamed tissue. D) movement of defense proteins and cells into the interstitial space. E) swelling of the inflamed tissue.
Which of the following allows the nucleus to produce ribosomes?
A) nuclear envelope B) nucleoplasm C) nuclear pore D) nucleolus E) nucleosome
A rat can be handled by holding the base of its tail
Indicate whether the statement is true or false