Question 1

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

Accepted Answer

A)  Retina
B)  Cornea
C)  Choroid coat
D)  ScleraE) A) and B)
F) A) and C)

Question 2

Tears contain an enzyme that reduces the risk of eye infection.

Accepted Answer

A) True 
 B)False

Question 3

General senses result from stimulation of receptors in the head only.

Accepted Answer

A) True 
 B)False

Question 4

Floaters are bowel movements that float due to a fatty diet.

Accepted Answer

A) True 
 B)False

Question 5

Sensory receptors are specialized cells or multicellular structures that collect information from the environment and stimulate neurons to send impulses along sensory fibers to the brain,where the cerebral cortex forms a perception.

Accepted Answer

A) True 
 B)False

Question 6

A sensation is ______,and projection of a sensation is the ______.

Accepted Answer

A)  the stimulation of a receptor cell;transmission of an impulse into the brain
B)  a feeling that results from sensory stimulation;brain causing it to seem to come from the receptors being stimulated
C)  a good feeling from a stimulation;right side of the brain projecting the sensation to the left side,or vice versa
D)  a change in membrane permeability of a receptor;transmission of an impulse into a sensory area of the brainE) A) and D)
F) A) and C)

Question 7

If you were a physician evaluating a young person who has conductive deafness,which of the following would you consider in your differential diagnosis?

Accepted Answer

A)  A torn tympanic membrane
B)  A brain tumor
C)  Damage to the auditory nerve
D)  Use of the antibiotic drug streptomycinE) None of the above
F) B) and D)

Question 8

Pain receptors

Accepted Answer

A)  respond to factors that can damage tissue.
B)  adapt rapidly.
C)  are among the most specialized receptors.
D)  are widely distributed in the brain.E) A) and B)
F) A) and C)

Question 9

Sensory receptors include

Accepted Answer

A)  mechanoreceptors.
B)  chemoreceptors.
C)  photoreceptors.
D)  all of the above.E) A) and B)
F) None of the above

Question 10

Receptors stimulated by changes in temperature are called ____________ .

Accepted Answer

The answer of Receptors stimulated by changes in temperature are...

Question 11

The brain interprets input from sensory receptors as

Accepted Answer

A)  reception.
B)  sensation.
C)  perception.
D)  contraception.E) B) and C)
F) None of the above

Question 12

Rhodopsin is found in ____ cells.

Accepted Answer

A)  cone
B)  lens
C)  rod
D)  olfactory receptorE) B) and D)
F) A) and B)

Question 13

Movement of hair cells in the semicircular canals signals

Accepted Answer

A)  sound waves to the brain.
B)  the direction of motion.
C)  the frequency of the sound.
D)  the velocity of the movement.E) A) and D)
F) None of the above

Question 14

A curvature defect of the lens or cornea in which some parts of an image are in focus on the retina and other parts are blurred and vision is distorted is called

Accepted Answer

A)  presbyopiA.
B)  astigmatism.
C)  hyperopia.
D)  myopia.E) C) and D)
F) A) and D)

Question 15

When the radial muscles of the iris contract,the diameter of the pupil decreases.

Accepted Answer

A) True 
 B)False

Question 16

Pain that feeels like it is coming from a part other than the part being stimulated is called ___________ pain.

Accepted Answer

The answer of Pain that feeels like it is coming...

Question 17

The painkiller sold as Ziconotide comes from a

Accepted Answer

A)  bacterium.
B)  fungus.
C)  snail.
D)  plant.E) A) and B)
F) B) and D)

Question 18

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

Accepted Answer

A) True 
 B)False

Question 19

Smell and taste disorders may be caused by

Accepted Answer

A)  a side effect of a drug.
B)  allergies.
C)  a head injury.
D)  all of the above.E) A) and B)
F) A) and C)

Question 20

Colorblindness is inherited.

Accepted Answer

A) True 
 B)False

Exam 12: Nervous System III

If you were a physician evaluating a young person who has conductive deafness,which of the following would you consider in your differential diagnosis?

Correct AnswerverifiedShow Answer

When the radial muscles of the iris contract,the diameter of the pupil decreases.

Correct AnswerverifiedShow Answer

Movement of hair cells in the semicircular canals signals

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Pain that feeels like it is coming from a part other than the part being stimulated is called ___________ pain.

Correct AnswerverifiedShow Answer

Sensory receptors are specialized cells or multicellular structures that collect information from the environment and stimulate neurons to send impulses along sensory fibers to the brain,where the cerebral cortex forms a perception.

Correct AnswerverifiedShow Answer

A curvature defect of the lens or cornea in which some parts of an image are in focus on the retina and other parts are blurred and vision is distorted is called

Correct AnswerverifiedShow Answer

A sensation is ______,and projection of a sensation is the ______.

Correct AnswerverifiedShow Answer

Tears contain an enzyme that reduces the risk of eye infection.

Correct AnswerverifiedShow Answer

Smell and taste disorders may be caused by

Correct AnswerverifiedShow Answer

The brain interprets input from sensory receptors as

Correct AnswerverifiedShow Answer

Sensory receptors include

Correct AnswerverifiedShow Answer

Rhodopsin is found in ____ cells.

Correct AnswerverifiedShow Answer

The painkiller sold as Ziconotide comes from a

Correct AnswerverifiedShow Answer

General senses result from stimulation of receptors in the head only.

Correct AnswerverifiedShow Answer

Pain receptors

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Receptors stimulated by changes in temperature are called ____________ .

Correct AnswerverifiedShow Answer

Floaters are bowel movements that float due to a fatty diet.

Correct AnswerverifiedShow Answer

Colorblindness is inherited.

Correct AnswerverifiedShow Answer

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A sensation is ,and projection of a sensation is the .

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