What happens to a muscle during an isometric contraction?
a. It produces more calcium
b. It lengthens.
c. It shortens.
d. It is prevented from shortening.
e. Sarcomeres are destroyed.
d
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The muscle tissue without striations is ________ muscle.
A) skeletal B) smooth C) cardiac D) voluntary E) multinucleated
During the absolute refractory period a neuron will be re-stimulated if it reaches threshold.
Indicate whether the statement is true or false.
Compared to the normal plasma osmolarity, the tubular fluid is ________ as it enters Bowman's space, ________ at the beginning of the loop of Henle, ________ at the tip of the loop, and ________ at the beginning of the distal convoluted tubule
A. isosmotic; hyperosmotic; hyperosmotic; isosmotic B. isosmotic; isosmotic; hypoosmotic; hypoosmotic C. isosmotic; isosmotic; hyperosmotic; hypoosmotic D. isosmotic; isosmotic; hypoosmotic; hyperosmotic E. isosmotic; isosmotic; hyperosmotic; isosmotic
The study of the early processes during the first two months of development from conception to physical maturity is called ________.
A) cytology B) physiology C) histology D) embryology E) osteology