Multiple wave summation
A. is a time during which the tissue cannot respond again.
B. results in complete and incomplete tetanus.
C. is a condition in which the muscle fiber only partially relaxes between contractions.
D. is a condition in which stimuli occur so rapidly that there are no intervening relaxations.
E. is a constant tension produced by muscles for long periods of time.
B
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The ________ division alone stimulates the lens of the eye.
Fill in the blank(s) with the appropriate word(s).
Long reflexes that originate completely outside the digestive system include ________ and ________, which are called ________ reflexes.
Fill in the blank(s) with the appropriate word(s).
Conformation is
A) the ability of DNA to copy itself. B) the amino acid sequence (primary structure) of a protein. C) the energy held in the bonds of an organic molecule, such as a protein. D) the three-dimensional shape of a molecule, such as a protein.
A man was in an accident and severed his spinal cord between C6 and C7. Which of the following would NOT occur?
A. loss of sensation in the trunk below the shoulders, the lower limbs and portions of the arms B. loss of use of the phrenic nerves and paralysis of the diaphragm C. loss of movement in the lower limbs D. loss of the use of the intercostals nerves, and breathing would be affected because the intercostals muscles would be paralyzed E. loss of sensation and movement in the jaw