A scientist who describes the layers of the heart wall and their relationship to the surrounding pericardium would be a(n)
A. pathologist.
B. anatomist.
C. physiologist.
D. pulmonologist.
Answer: B
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Folds of mucous membrane called ________ vibrate to provide speech.
Fill in the blank with the correct word.
To minimize the spread of peritoneal fluid via the paracolic gutters from a lower abdominal infection, the patient is placed:
A) on his right side. B) on his left side. C) supine. D) prone. E) in an inclined position (head and trunk elevated at least 45 degrees).
A skeletal muscle produces motion by pulling the origin toward its insertion
Indicate whether the statement is true or false
The prolonged electrical depolarization of cardiac muscle cells that occurs during contraction is due primarily to the persistent influx of what ion?
A. Calcium B. Nitrate C. Potassium D. Chloride E. Sodium