Increase in stimulus intensity _______
A) increases the size of the action potential
B) has no effect on action potentials
C) increases the frequency of action potentials
D) increases the duration of the action potential
Answer: C) increases the frequency of action potentials
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The uvula is located at the
A) posterior of the tongue. B) margin of the vestibule. C) base of a tooth. D) posterior margin of the soft palate. E) margin of the oropharynx and the laryngopharynx.
What is the greatest risk factor for skin cancer?
A. Exposure to UV light rays B. Advanced age C. Being a female D. Low skin hydration levels E. Using excessive sun block
Which of the following activities occurs in the presence of light within the phototransduction pathway?
a. ganglion cells produce graded potentials b. photoreceptor cells depolarize c. bipolar cells produce graded potentials. d. sodium channels open in receptors. e. none of these answers.
The study of the muscular system is known as ________
A) myology B) kinesiology C) neurology D) pathophysiology E) biology