Question

In: Anatomy and Physiology

Answer parts A-E of #1 to receive full credit: A. Which statement is most accurate? 1....

Answer parts A-E of #1 to receive full credit:

A. Which statement is most accurate?

	1.	Circumvallate papillae are found on the lateral borders of the tongue
	2.	In order for you to taste something, the tastant must be able to be dissolved in water
	3.	Taste buds are found only on the anterior one-third of the tongue
	4.	The filiform papillae found on the anterior aspect of the tongue possess taste buds
	5.	The gustatory cortex is localized to the temporal lobe

B. _____ is a result of parasympathetic stimulation

Contraction of the pupils
Decreased persistence of the digestive system
Faster heart rate
Increased sweating
Thick, mucousy saliva

C. The purpose of protecting pain information to the anterior cingulate cortex is

To design a reflexive response
To determine motivational component of the pain
To distinguish pain from other types of stimuli
To modulate the degree of pain
To perceive the pain sensation

D. Which is a characteristic of an odor?

Composed of a single odorant
Recognized by mitral cells
Sufficiently flammable
Water soluble

E. In the visual pathways of the brain, the optic radiations projects from the...

Lateral Geniculate nucleus
Medial retina
Optic chiasma
Primary visual cortex
Superior colliculus

Expert Solution

ANSWERS

A. IN ORDER FOR YOU TO TASTE SOMETHING ,THE TASTANT MUST BE ABLE TO DISSOLVE IN WATER.

Explanation: In order for to have taste sensation in food , chemicals from the food must first dissolve in saliva. Taste perception occurs as these water-soluble chemicals in the mouth contact with the epithelial cells of the taste buds.

*Circumvallate papillae, located on the surface of the back part of the tongue.

* Taste buds are located at anterior two-third of tounge.

*Filliform papillae do not posses taste buds.

* Gustatory cortex located at parietal lobe.

B. CONTRACTION OF PUPILS

Explanation: Parasympathetic stimulation causes contraction of the circular muscle and constriction of the pupil. Remaining options are associated with sympathetic stimulation.

C. TO DETERMINE MOTIVATIONAL COMPONENT OF PAIN.

Explanation: Pain is unpleasant sensation that protects the organism by promoting motivation and learning.Anterior cingulate gyrus is the cortical area that has been most frequently linked to the experience of pain. It is associated with the emotional reaction to pain.

D RECOGNIZED BY MITRAL CELLS

Explanation; Mitral and external tufted cells are primary neurons of olfactory bulb ,which strongly correlates identity and concentration of an odour.

E. LATERAL GENICULATE NUCLEUS

Explanation: The optic radiations project from the dorsal nuclei of the lateral geniculate nucleus to the primary visual cortex V1.

Sydney Mullin answered 1 year ago

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