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.


C

Anatomy & Physiology

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When you touch your cheek bone, you are palpating __________ bone.

Fill in the blank(s) with the appropriate word(s).

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What effect does the sympathetic nervous system have on micturition?

A) Sympathetic activity excites muscles of the internal urethral sphincter allowing micturition. B) Sympathetic activity inhibits muscles of the external urethral sphincter inhibiting micturition. C) Sympathetic activity excites muscles of the external urethral sphincter allowing micturition. D) Sympathetic activity excites muscles of the internal urethral sphincter inhibiting micturition. E) Sympathetic activity inhibits muscles of the internal urethral sphincter inhibiting micturition.

Anatomy & Physiology

The________ glands are small ovoid glands typically located on the posterior side of the thyroid gland.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

Which build lies between asthenic and sthenic?

A. Hypersthenic B. Hyposthenic C. Neither a nor b

Anatomy & Physiology