The Senses

Question 1

Which sense (general vs special) organs are widely distributed throughout the body?

Answer 1

General Sense Organs

Question 2

Which sense organs (general vs special) exist as individual cells or receptors?

Answer 2

General Sense Organs

Question 3

Which sense organs (general vs special) exist as highly complex organs?

Answer 3

Special Sense Organs

Question 4

Which sense organs (general vs special) exist as groupings of specialized receptors?

Answer 4

Special Sense Organs

Question 5

What receptors detect light?

Answer 5

Photoreceptors

Question 6

What receptors detect chemicals?

Answer 6

Chemoreceptors

Question 7

What receptors detect injury?

Answer 7

Pain receptors

Question 8

What receptors detect temperature?

Answer 8

Thermoreceptors

Question 9

What receptors detect movement?

Answer 9

Mechanoreceptors

Question 10

What receptors detect position of body parts or changes in muscle length or tension?

Answer 10

Proprioceptors

Question 11

A sense organ detects a stimulus, which is converted into a __________ which is then perceived as a ________ by the _________.

Answer 11

Nerve impulse, sensation, CNS

Question 12

What are the 3 general sense receptors?

Answer 12

Skin receptors, Muscle Receptors, Deep Receptors

Question 13

Where are Free Nerve Endings located and what do they detect?

Answer 13

Skin. Touch, pain, tickle, temperature

Question 14

Where are the Tactile (Meissner) Corpuscles and what do they detect?

Answer 14

Skin. Fine touch and vibration

Question 15

Where are the Bulbous (Ruffini) Corpuscles and what do they detect?

Answer 15

Skin. Touch and Pressure

Question 16

Where are the Lamellar (Pacini) Corpuscles and what do they detect?

Answer 16

Skin. Pressure and vibration

Question 17

Where are the Bulboid (Krause) Corpuscles and what do they detect?

Answer 17

Skin. Touch

Question 18

Where are the Golgi Tendon receptors and what do they detect?

Answer 18

Muscle. Proprioception

Question 19

Where are the Muscle Spindles and what do they detect?

Answer 19

Muscle. Proprioception

Question 20

Where are the Stretch Receptors and what do they detect?

Answer 20

Deep within hollow Organs. Pressure.

Question 21

Where are the Chemical Receptors and what do they detect?

Answer 21

Deep. detects pH, carbon dioxide, other chemicals

Question 22

What part of the eye produces, distributes, and removes tears?

Answer 22

Lacrimal Apparatus

Question 23

What is another name for the tear gland?

Answer 23

Lacrimal Gland

Question 24

What does the Lacrimal Gland secrete?

Answer 24

Lysozyme, antibacterial enzyme

Question 25

What is the pocket where palpebral conjuctiva and the ocular conjuctiva join

Answer 25

Fornix

Question 26

What is the tough outer coat or "white" of the eye?

Answer 26

Sclera

Question 27

What is the covering over the Sclera?

Answer 27

Cornea

Question 28

How does the pupil dialate?

Answer 28

Contraction of iris muscle

Question 29

What is the pigmented vascular layer of the eye that prevents scattering of light?

Answer 29

Choroid

Question 30

What is the innermost layer of the eye, containing rods and cones?

Answer 30

Retina

Question 31

What is the mucus membrane covering the front surface of the sclera and lining the eyelid

Answer 31

Conjunctiva

Question 32

What is the transparent body of the pupil, focusing light rays on the retina?

Answer 32

Lens

Question 33

Which layer of the eye contains the Cornea and Sclera?

Answer 33

The Fibrous layer

Question 34

Which layer of the eye contains the Iris, Cilliary Body, and the Choroid?

Answer 34

The Vascular layer (uvea)

Question 35

Which layer of the eye contains the Neural and pigmented part?

Answer 35

The Inner layer

Question 36

The Aqueous humor is in the _____ cavity in the front of the lens

Answer 36

anterior

Question 37

The Vitreous humor is in the _____ cavity in the front of the lens

Answer 37

posterior

Question 38

Visual Disorders: ______ is often caused by elongation of the eyeball

Answer 38

Near sightedness or Myopia

Question 39

Visual Disorders: ______ is often caused by a shortened the eyeball

Answer 39

Far sightedness or Hyperopia

Question 40

Visual Disorders: ______ is distortion caused by an irregularity of the cornea or lens

Answer 40

Astigmatism

Question 41

Visual Disorders: ______ are cloudy spots in the eye's lens

Answer 41

Cataracts

Question 42

What is improper alignment of the eyes?

Answer 42

Strabismus

Question 43

What is inflammation of the conjunctivus? Interfering with refraction

Answer 43

Conjunctivitis

Question 44

What is the clinical term for night blindness?

Answer 44

Nyctalopia

Question 45

What is increased pressure in the retina?

Answer 45

Glaucoma