Anatomy- The Autonomic Nervous System

Question 1

Parasympathetic

Answer 1

“Rest & digest”

• low energy use, digestion of food

Question 2

Sympathetic

Answer 2

“Fight or Flight”

Rapid heart rate and breathing rate

Question 3

Taste buds

Answer 3

About 10,000 in adult human;

Most taste buds are located within the papillae(projections of the tongue mucosa)

Question 4

Eye—fibrous Tunic:

Answer 4

Dense, a vascular, 2 regions

Question 5

Sclera

Answer 5

The white of the eye

Question 6

Cornea

Name the 2 layers

Answer 6

Anterior is 1/6 of fibrous tunic

2 layers: stratified squamous epithelium on the outside and simple squamous epithelium on the inside.

Question 7

Sensory tunic( Retina): consists of 2 layers

Answer 7

Pigmented layer and inner neural layer

Question 8

Rods:

Answer 8

Grey, black and white

Question 9

Cones:

Answer 9

Color

Question 10

Bipolar cells:

Answer 10

They can synapse with either rods or cones (but not both)The bipolar cells then transmit the signals from the photoreceptors or the horizontal cells, and pass it on to the ganglion cells directly or indirectly.

Question 11

Ganglion cells

Answer 11

Receive input from bipolar cells & their axons

Question 12

Blind spot( optic disc)

Answer 12

Location on retina where the optic nerve exits eye

Question 13

Fovea Centralis

Answer 13

Only cones present; region of greatest visual acuity

Question 14

Cones have 3 different types of opsins to use:

Answer 14

Red cone, green cone, blue cone.

Question 15

Outer Ear consists of______ & ______.

Answer 15

Auricle(pinna) and the external auditor canal

Question 16

Tympanic membrane(eardrum) -

Answer 16

vibrates with frequency of sound waves, transfers vibrations to middle ear.

Question 17

3 ossicles(small bones) of the Tympanic cavity

Answer 17

Malleus(hammer)- attaches to eardrum

Incus(anvil)

Stapes(stirrup)- attaches to oval window of vestibule.

Question 18

Vestibule is composed two sacs:

Answer 18

Saccule & Utricle

Question 19

Autonomic Nervous System:

Answer 19

System of motor neurons within the motor division of the peripheral nervous system that inner area smooth may lead, cardiac muscle and glands.