Dermatome maps are useful to clinicians because ________

A) they show the routes of motor nerves
B) they outline the location of the numerous nerve plexus
C) they can help pinpoint the location of spinal injury
D) they show doctors how to avoid striking spinal nerves during surgery


C

Anatomy & Physiology

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Digestion occurs mainly in which of the following structures?

(A) cecum and ascending colon (B) transverse colon (C) stomach and duodenum (D) jejunum and ileum (E) transverse and sigmoid colon

Anatomy & Physiology

The onset of puberty is triggered by an increase in

A. sensitivity of the hypothalamus to negative feedback by sex steroids. B. sensitivity of the pituitary to negative feedback by sex steroids. C. sensitivity of the gonads to pituitary gonadotropins. D. GnRH secretion. E. sensitivity of the pituitary to GnRH.

Anatomy & Physiology

Which of these is most responsible for "light adaptation"--the process by which we only gradually become able to see objects in a brightly lit place after being in the dark?

A. Cone receptors are very hyperpolarized in the dark, and they must be exposed to bright light for awhile before they will depolarize. B. Rhodopsin is quickly inactivated in the presence of bright light so rods become unresponsive, and the higher-acuity cones then become the main detectors of vision. C. Because rods are more sensitive to light than cones, they gradually become extremely activated in bright light. D. Cones and rods are stimulated equally, leading to difficulties in interpreting the sensory inputs to the brain. E. Rhodopsin is not activated by colored light, and the lack of stimulation causes rods to gradually depolarize when we are exposed to bright light.

Anatomy & Physiology

A male turtle has a ______________ tail than a female turtle

Fill in the blank(s) with correct word

Anatomy & Physiology