Why are many anatomical terms based on Greek and Latin roots?
A. They are easy to spell.
B. Many terms are based on the names of Greek and Roman physicians.
C. Scientific investigation began in ancient Greece and Rome.
D. Modern-day scientists study Greek and Latin.
E. Greek and Latin words are more descriptive than English words.
C. Scientific investigation began in ancient Greece and Rome.
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The cytosol contains a high concentration of potassium ions, while the extracellular fluid usually contains a high concentration of ________ ions.
Fill in the blank(s) with the appropriate word(s).
The amount of blood pumped by the left ventricle in one minute is called the
A) end diastolic volume. B) end systolic volume. C) stroke volume. D) cardiac output. E) cardiac reserve.
In the early twentieth century, people sometimes ingested radioactive substances in "health drinks" made with radium-enriched water. Why did they often develop bone cancer?
A. The radium leached bone mineral from the skeleton. B. The radium caused tumors in the digestive tract which then spread to the bone tissue. C. The radium caused lung cancer that then spread to the bone tissue. D. Bone tissue absorbs foreign elements from the blood, and the radium directly affected bone cells. E. There is no evidence that the development of bone cancer was related to ingestion of radium.
The afferent arteriole in the kidney
A) is also known as the descending limb of the nephron loop. B) empties directly into the calyx of the medulla. C) carries blood to the glomerulus. D) carries blood from glomerular capsule to the nephron loop. E) returns blood to the inferior vena cava.