If someone steps on a sharp object with their right foot, it will lead to
A. polysynaptic reflexes involving contraction of the right quadriceps and left hamstrings.
B. a monosynaptic reflex causing contraction of the right quadriceps and a polysynaptic reflex causing contraction of the the left hamstring.
C. a monosynaptic reflex causing contraction of the right hamstring and a polysynaptic reflex causing contraction of the left hamstring.
D. polysynaptic reflexes involving contraction of the right hamstring and left quadriceps.
Answer: D
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Arteries ensure that blood constantly flows due to contraction of its smooth muscle layer
Indicate whether the statement is true or false
While sitting at your desk, you drop your pencil onto the floor. You bend over to pick up the pencil. In order to straighten up and continue your exam you must use which of the following muscles?
A) Tibialis anterior and semimembranosus B) Tibialis anterior C) Erector spinae D) Extensor hallucis longus E) Semimembranosus
Which of the following is a final product of aerobic respiration?
A) Glucose B) Carbon dioxide C) Pyruvic acid D) Lactic acid E) Oxygen