SCI 335 Week 7 Quiz 2

SCI 335 Week 7 Quiz 2 | Wilmington University

Question 1

The stapes transmits vibrations to the round window of the inner ear.  

·         True  

·         False

Question 2

Pain receptors differ from other somatic receptors by  

·         adapting very little, if at all.  

·         All of these are correct.  

·         not being able to project impulses back to their origin.  

·         being stimulated only when pain is occurring in skeletal muscle.

Question 3

The transparent, anterior portion of the eye's outer tunic is called the ______.

·         cornea

·         cornea

Question 4

The ability to ignore your socks around your ankles is called what? 

·         general adaptation 

·         interpretive assimilation 

·         receptor integration  

·         sensory adaptation

Question 5

Rhodopsin is found in  

·         olfactory receptor cells. 

·         rod cells. 

·         hair cells.

·         cone cells.

Question 6

Sensory impulses are stimulated at receptors by  

·         changes in membrane permeability.  

·         changes in action potentials.  

·         decreasing permeability of nerve membranes. 

·         neurotransmitters.

Question 7

Taste receptors are  

·         modified epithelial cells.  

·         found only on the tongue. 

·         unable to reproduce. 

·         modified connective tissue cells.

Question 8

Which of the following is not a primary taste sensation?  

·         sweet 

·         salty 

·         bitter  

·         pungent

Question 9

The ______ ______ connects the middle ear and the pharynx.

·         eustachian tube

·         auditory tube

·         auditory tube (eustachian tube)

Question 10

General senses are generally distributed in what type of pattern throughout the body?

·         distributed through the visceral organs 

·         only in the integumentary system  

·         found in focal points throughout the body  

·         widely distributed throughout the body

Question 11

The taste of food will be the same whether a person has a cold or not.  

·         True    

·         False

Question 12

Receptors that are stimulated by changes in chemical concentrations are called thermoreceptors.  

·         True  

·         False

Question 13

The auditory ossicles are located within the inner ear.  

·         True  

·         False

 Question 14

Which of the following is part of the inner tunic of the eye?  

·         sclera  

·         retina  

·         choroid coat 

·         ciliary body

Question 15

The lens of the eye thickens when the  

·         ciliary muscles relax.

·         ciliary muscles contract.  

·         ciliary processes relax. 

·         suspensory ligaments pull on the lens capsule.

 Question 16

The hearing receptors are most closely associated with the  

·         organ of Corti.  

·         utricle. 

·         ampulla.  

·         saccule.

Question 17

The olfactory receptors are examples of  

·         proprioreceptors.  

·         chemoreceptors.  

·         mechanoreceptors.  

·         thermoreceptors.

Question 18

Treatment for cataract usually involves removal of the  

·         lens. 

·         sclera. 

·         vitreous humor. 

·         cornea.

Question 19

Rods are more sensitive to light than cones, but cones are important for color vision.  

·         True  

·         False

Question 20

Crossing over of optic nerve fibers occurs in the thalamus.  

·         True 

·         False

 Question 21

The utricle and saccule contain the sensory receptors associated with the sense of dynamic equilibrium.  

·         True  

·         False

 Question 22

Light is refracted when it passes  

·         between media of different optical densities at a right angle. 

·         into glass at a right angle.   

·         between media of different optical densities at an oblique angle.  

·         from air into glass.

Question 23

Tears contain an enzyme that functions to reduce the chances of developing an eye infection. 

·         True  

·         False

Question 24

Movement of hair cells in the semicircular canals signals 

·         the frequency of the sound.  

·         the velocity of the movement. 

·         sound waves to the brain.  

·         the direction of motion.

Question 25

The sensory receptors associated with the semicircular canals are located in swellings called ______.

·         Ampullae

·         ampullae

Question 26

Pain that feels like it is coming from a part other than the part being stimulated is called ______ ______.

Question 27

The disorder called glaucoma is usually caused by  

·         excessive accumulation of vitreous humor.  

·         excessive accumulation of aqueous humor. 

·         clouding of the lens capsule. 

·         clouding of the lens.

Question 28

The optic disk is located medial to the fovea centralis and is the site from which nerve fibers from the retina leave the eye and become a part of the optic nerve.  

·         True  

·         False

Question 29

Pain sensations arising from visceral organs may be caused by the stretching of tissues.  

·         True  

·         False

Question 30

After traveling through the olfactory bulbs, nerve impulses pass along the ______ ______ to the olfactory interpreting centers.

·         olfactory tracts

·         olfactory tract

·         olfactory tracts