If the ventral root of a spinal nerve were cut, what would be the result in the tissue or region that nerve supplies?
A) a complete loss of sensation and movement
B) loss of neither sensation nor movement but only of autonomic control
C) complete loss of sensation
D) a complete loss of voluntary movement
D
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Which of the following descriptions best matches the term myenteric plexus?
A) component of mucosa B) sensory neural network C) secretes a watery fluid D) coordinates activity of muscularis externa E) loose connective tissue layer containing blood vessels
The glottis is the opening between the vocal cords
Indicate whether the statement is true or false
Select the structure that serves as a common passageway for two tracts in the male
a. anterior pituitary b. ductus deferens c. ejaculatory duct d. ureter e. urethra
In order for excitation-contraction coupling to occur, the production of an action potential must occur within the ________ of a muscle fiber.
A. sarcolemma B. junction C. contraction