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
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
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