Question

Answer parts A-D to get full credit for #1:

A. In the visual pathways of the brain, the optic radiations projects from which of the following structures?

1. Lateral Geniculate nucleus

2. Medial retina

3. Optic chiasma

4. Primary visual cortex

5. Superior colliculus

B.  Which of the following is a result of parasympathetic stimulation

1. Contraction of the pupils

2. Decreased persistence of the digestive system

3. Faster heart rate

4. Increased sweating

5. Thick, mucousy saliva

C. Which of the following statements 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

D. Which of the following is found in the inner ear?

1. Acoustic mucus

2. Eustachian tube

3. Ossicles

4. Scala vestibuli

5. Tympanic membrane

Answer 1

A. Lateral geniculate nucleus.

B. Thick mucosy saliva

Explanation - functions of the body stimulated by Parasympathetic division come under the category of rest and digest or feed and breed such as digestion, urination, arousal, defecation and salivation.

C. In order for you to taste something, tastants must be dissolved in water.

Explanation -Tastants are taste influencing chemical molecules that are dissolved in saliva or any ingested liquids to stimulate the gustatory action.

Rest all statements are purely incorrect, hence the above statement could be characterized as most accurate.

D. Scala vestibuli

Explanation - it is a bony passage or perilymph filled cavity in cochlea of inner ear which functions in conducting sound vibrations to the duct of cochlea.