An individual would normally perceive pain when the chemoreceptors are stimulated.
Answer the following statement true (T) or false (F)
False
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It may take nearly a half hour for rods of the retina to regenerate a full supply of photopigment during the process of
A. dark adaptation. B. light adaptation. C. lateral inhibition. D. opsinization.
The hormone ANP causes systemic blood vessels to
A. constrict, which raises blood pressure. B. constrict, which lowers blood pressure. C. dilate, which raises blood pressure. D. dilate, which lowers blood pressure.
Which of the following promotes the depolarization stage?
A) hydrolysis of ATP B) closure of voltage-gated sodium ion channels C) opening of voltage-gated sodium ion channels and sodium ions enter the cell D) opening of voltage-gated potassium ion channels and potassium ions exit the cell
What nerves carry information about the special senses to the CNS?
A) spinal nerves only B) cranial nerves only C) cervical nerves only D) both cranial and spinal nerves