FINAL Senses Flashcards
(31 cards)
A decreased sensitivity to a continued stimulus is known as:
a. negative feedback.
b. action potential.
c. sensory adaptation.
d. tolerance
c. sensory adaptation.
All of the following are characteristics of cones except:
a. provide sharp images and fine detail.
b. are located primarily in the fovea centralis.
c. are much more numerous than rods.
d. contain the receptors for color vision.
c. are much more numerous than rods.
All of the following are examples of general senses except:
a. touch.
b. vision.
c. temperature.
d. pain.
b. vision.
All of the following are examples of nociceptors except:
a. they may continue to send signals after the stimulus is removed.
b. they exhibit sensory adaptation.
c. they are widely distributed throughout the skin.
d. they are not present in the nervous tissue of the brain.
b. they exhibit sensory adaptation.
All of the following are functions of tears except:
a. moisten and cleanse the eye.
b. destroy bacteria.
c. prevent foreign objects from entering the eye
d. lubricate the eye.
c. prevent foreign objects from entering the eye
All of the following are functions of vitreous humor except:
a. maintains internal pressure of the eye.
b. presses the retina firmly against the wall of the eye.
c. supports the internal parts of the eye.
d. maintains the shape of the eye.
a. maintains internal pressure of the eye.
How do the number of cold receptors compare with the number of heat receptors?
a. Up to 10 times more cold receptors in a given area.
b. There are the same number of cold receptors as heat receptors.
c. There are 10 times more heat receptors in a given area.
d. None are correct.
a. Up to 10 times more cold receptors in a given area.
Receptors for hearing are:
a. chemoreceptors.
b. thermoreceptors.
c. nociceptors.
d. mechanoreceptors.
d. mechanoreceptors.
The sense of position or orientation is known as:
a. proprioception.
b. equilibrium.
c. global positioning.
d. placement.
a. proprioception.
What are the mechanoreceptors involved with proprioception?
a. Taste buds
b. Golgi tendon organs
c. Free nerve endings
d. Organ of Corti
b. Golgi tendon organs
What are the organs of taste?
a. Taste buds
b. Organ of Corti
c. Papillae
d. Macula
a. Taste buds
What area of the brain interprets smell sensations?
a. Olfactory cortex
b. Gustatory cortex
c. Prefrontal cortex
d. Auditory cortex
a. Olfactory cortex
What condition results from inflammation of a sebaceous gland associated with the eyelashes?
a. Boil
b. Stye
c. Conjunctivitis
d. Blepharitis
b. Stye
What happens when the ciliary muscle contracts?
a. Lens relaxes for distance vision.
b. The lens becomes flat.
c. Lens bulges for close vision.
d. Pupil dilates.
c. Lens bulges for close vision.
What is the name of the white spot in the eye where the optic nerve leaves the eye?
a. Macula lutea
b. Optic disk
c. Sclera
d. Pupil
b. Optic disk
What is the range of frequencies for normal speech?
a. 300 to 4,000 vibrations per second
b. 500 to 1,000 vibrations per second
c. 1,000 to 10,000 vibrations per second
d. 5,000 to 10,000 vibrations per second
a. 300 to 4,000 vibrations per second
What nerve transmits auditory impulses to the brain for interpretation?
a. Cranial nerve II
b. Cranial nerve V
c. Cranial nerve VIII
d. Cranial nerve X
c. Cranial nerve VIII
What region of the retina produces the sharpest image?
a. Fovea centralis
b. Optic disc
c. Optic nerve
d. Ciliary body
a. Fovea centralis
What stimulates a nociceptor?
a. Pressure
b. Touch
c. Tissue damage
d. Tickling
c. Tissue damage
What stimulates the receptors that determine taste?
a. Pressure of food on the tongue
b. Swallowing
c. Chewing
d. Chemicals in food
d. Chemicals in food
What type of receptors do extreme temperatures stimulate?
Question 25Answer
a. Heat receptors
b. Pain receptors
c. Cold receptors
d. Pressure receptors
b. Pain receptors
What type of senses have receptors that are localized in a particular area?
Question 26Answer
a. General senses
b. Special senses
c. Nonsenses
d. Diverse senses
b. Special senses
Where are thermoreceptors located?
a. Deep in the dermis
b. In superficial muscles
c. In subcutaneous tissue
d. Immediately under the skin
d. Immediately under the skin
Where are thermoreceptors most numerous?
Question 28Answer
a. Back
b. Feet
c. Eyes
d. Lips
d. Lips
