A taxi driver picked up a fare in a heavy rainstorm. Which reflex was activated when both men unexpectedly heard a loud clap of thunder?
A) Vestibular reflex B) Startle reflex
C) Patellar tendon reflex D) Withdrawal reflex
B
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Tendon tears or breaks are difficult to repair both physiologically and surgically. Why?
What will be an ideal response?
The ____ plane divides the body into back and belly parts
Fill in the blank(s) with correct word
When the bladder wall is distended as a result of urine accumulation, the stretch receptors are stimulated and send afferent impulses to the spinal cord that
a. stimulate parasympathetic nerves, which return to the bladder and cause it to contract. b. inhibit the motor neurons that normally keep the external urethral sphincter closed. c. stimulate nerves that go to the kidney and prevent glomerular filtration until the bladder is empty. d. both (a) and (b) above. e. all of these answers.
In an isotonic contraction,
A) Muscle tension exceeds the resistance and the muscle shortens. B) Tension rises and the skeletal muscle length changes. C) The peak tension developed is less than the resistance. D) The muscle as a whole does not change length. E) all of the above