Question 1

How many extrinsic eye muscles are responsible for moving each eye?

Accepted Answer

A) 10 
B) 12 
C) 6 
D) 4 
E) 20 
A) 10 
B) 12 
C) 6 
D) 4 
E) 20

Question 2

Choose the sequence of events in order for how gustation is conveyed from beginning to end.
1)Taste bud detects tastant on anterior two third of tongue
2)Information travels to limbic system and hypothalamus,and to the thalamus
3)Gustatory nucleus in medulla receives information
4)First order neuron from facial nerve carries impulse
5)First order neuron from vagus nerve carries impulse
6)First order neuron from glossopharyngeal nerve carries impulse
7)Conscious perception of taste
8)Information is sent to the insula of the cerebral cortex

Accepted Answer

A) 1,4,3,2,8,7 
B) 7,8,2,3,6,1 
C) 7,1,5,3,2,8 
D) 1,4,5,5,3 ,4 ,8,7 
E) 4,1,2,3,7,8 
A) 1,4,3,2,8,7 
B) 7,8,2,3,6,1 
C) 7,1,5,3,2,8 
D) 1,4,5,5,3 ,4 ,8,7 
E) 4,1,2,3,7,8

Question 3

The first step in the visual transduction process that occurs in the retina is

Accepted Answer

A) activation of amacrine cells. 
B) absorption of scattered light by the pigmented epithelium. 
C) interruption of the dark current. 
D) absorption of light by photopigments. 
E) generation of action potentials in the optic nerve. 
A) activation of amacrine cells. 
B) absorption of scattered light by the pigmented epithelium. 
C) interruption of the dark current. 
D) absorption of light by photopigments. 
E) generation of action potentials in the optic nerve.

Question 4

Which cell in the diagram is replaced every 10 days?

Accepted Answer

A) F 
B) H 
C) D 
D) C 
E) G 
A) F 
B) H 
C) D 
D) C 
E) G

Question 5

In the diagram G represents the [dropdown 1] which is filled with [dropdown 2] that is made by the [dropdown 3]
   
*Dropdown 1 choices:
-anterior cavity
-anterior chamber
-posterior chamber
-vitrios chamber
*Dropdown 2 choices:
-aqueous humor
-endolymph
-vitreous humor
-perilymph
*Dropdown 3 choices:
-ciliary processes
-crystallins lens
-zonular fibers

Accepted Answer

1.anterior cavity
2.

Question 6

_____ bind the odorants and begin signal transduction.

Accepted Answer

A) Olfactory cilia 
B) Supporting cells 
C) Basal stem cells 
D) Bowman's glands 
E) Gustatory receptor cells 
A) Olfactory cilia 
B) Supporting cells 
C) Basal stem cells 
D) Bowman's glands 
E) Gustatory receptor cells

Question 7

___________are the thin protective mucous membranes composed of stratified squamous epithelium with numerous goblet cells.

Accepted Answer

A) bulbar and palpebral conjunctiva 
B) palpebral conjunctiva and cornea 
C) scleral venous sinus and bulbar conjunctiva 
D) cornea and scleral venous sinus 
E) tarsal glands and palpebral conjunctiva 
A) bulbar and palpebral conjunctiva 
B) palpebral conjunctiva and cornea 
C) scleral venous sinus and bulbar conjunctiva 
D) cornea and scleral venous sinus 
E) tarsal glands and palpebral conjunctiva

Question 8

What ear structure vibrates back and forth when sound waves strike?

Accepted Answer

A) cochlea 
B) pinna 
C) tympanic membrane 
D) spiral organ 
E) vestibulocochlear nerve 
A) cochlea 
B) pinna 
C) tympanic membrane 
D) spiral organ 
E) vestibulocochlear nerve

Question 9

Cataract leads to blindness due to

Accepted Answer

A) loss of transparency of the lens. 
B) a high intraocular pressure. 
C) photophobia. 
D) scotoma. 
E) trachoma. 
A) loss of transparency of the lens. 
B) a high intraocular pressure. 
C) photophobia. 
D) scotoma. 
E) trachoma.

Question 10

Circular muscles of the iris are controlled by the [dropdown 1] nervous system and cause the pupil to [dropdown 2].Radial muscles of the iris are controlled by the [dropdown 3] nervous system and cause the pupil to [dropdown 4].The circular muscles are controlled specifically by the [dropdown 5] cranial nerve.
*Dropodwn 1&3 choices:
-central
-enteric
-parasympathetic
-sympathetic
*Dropodwn 2&4 choices:
-constrict
-dilate
*Dropodwn 5 choices: Optic
-abducens oculomotor
-trochlear

Accepted Answer

1.parasympathetic
2.

Question 11

______are proteins that make up the refractive portion of the lens.

Accepted Answer

A) Collagen 
B) Ciliary bodies 
C) Crystallins 
D) Elastin 
E) Keratin 
A) Collagen 
B) Ciliary bodies 
C) Crystallins 
D) Elastin 
E) Keratin

Question 12

Why is the optic disc known as the blind spot?

Accepted Answer

A) Rods and cones are inactive in that area. 
B) There is no retinal layer so there are no cones and rods. 
C) The macula degenerated over the optic disc 
D) The neural circuits lack amacrine and horizontal cells. 
E) layer of bipolar and ganglion cells do not cover the cones in this area. 
A) Rods and cones are inactive in that area. 
B) There is no retinal layer so there are no cones and rods. 
C) The macula degenerated over the optic disc 
D) The neural circuits lack amacrine and horizontal cells. 
E) layer of bipolar and ganglion cells do not cover the cones in this area.

Question 13

Which is the transparent layer on the anterior of the eyeball through which the iris can be observed?

Accepted Answer

A) Retina 
B) Choroid 
C) Sclera 
D) Ciliary body 
E) Cornea 
A) Retina 
B) Choroid 
C) Sclera 
D) Ciliary body 
E) Cornea

How many extrinsic eye muscles are responsible for moving each eye?

The first step in the visual transduction process that occurs in the retina is

Which cell in the diagram is replaced every 10 days?

_____ bind the odorants and begin signal transduction.

___________are the thin protective mucous membranes composed of stratified squamous epithelium with numerous goblet cells.

What ear structure vibrates back and forth when sound waves strike?

Cataract leads to blindness due to

______are proteins that make up the refractive portion of the lens.

Why is the optic disc known as the blind spot?

Which is the transparent layer on the anterior of the eyeball through which the iris can be observed?

An Introduction to the Human Body

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System

The Skeletal System: Bone Tissue

The Skeletal System: the Axial Skeleton

The Skeletal System: The Appendicular Skeleton

Joints

Muscular Tissue

The Muscular System

Nervous Tissue

The Spinal Cord and Spinal Nerves

The Brain and Cranial Nerves

The Autonomic Nervous System

Sensory, Motor, and Integrative Systems

The Endocrine System

The Cardiovascular System: the Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels and Hemodynamics

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism and Nutrition

The Urinary System

Fluid, Electrolyte, and Acidbase Homeostasis

The Reproductive Systems

Development and Inheritance

Filters

Exam 17: The Special Senses

How many extrinsic eye muscles are responsible for moving each eye?

The first step in the visual transduction process that occurs in the retina is

Which cell in the diagram is replaced every 10 days?

_____ bind the odorants and begin signal transduction.

___________are the thin protective mucous membranes composed of stratified squamous epithelium with numerous goblet cells.

What ear structure vibrates back and forth when sound waves strike?

Cataract leads to blindness due to

______are proteins that make up the refractive portion of the lens.

Why is the optic disc known as the blind spot?

Which is the transparent layer on the anterior of the eyeball through which the iris can be observed?

An Introduction to the Human Body

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System

The Skeletal System: Bone Tissue

The Skeletal System: the Axial Skeleton

The Skeletal System: The Appendicular Skeleton

Joints

Muscular Tissue

The Muscular System

Nervous Tissue

The Spinal Cord and Spinal Nerves

The Brain and Cranial Nerves

The Autonomic Nervous System

Sensory, Motor, and Integrative Systems

The Endocrine System

The Cardiovascular System: the Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels and Hemodynamics

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism and Nutrition

The Urinary System

Fluid, Electrolyte, and Acidbase Homeostasis

The Reproductive Systems

Development and Inheritance

Filters