Which of the following spread the action potential through the ventricular myocardium?
A. Bundle of His
B. Bundle Branches
C. Purkinje fibers
D. Interventricular septum
Answer: C. Purkinje fibers
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Which of the following is a long drawn and deep inhalation followed by a complete closure of the rima glottidis, which results in a strong exhalation, pushing the rima glottidis open and sending a blast of air through the upper respiratory passages?
a) crying b) sneezing c) coughing d) sighing e) Valsalva maneuver
The superior portion of the sternum has a central jugular notch located between the ________.
Fill in the blank(s) with the appropriate word(s).
Edema is an example of
A. dehydration. B. volume depletion. C. total volume excess. D. fluid sequestration.
Patches of melanin found on the skin form ________
A) Bilirubin B) Carotene C) Melanocytes D) Freckles