Filters
Question type

Study Flashcards

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

A) True
B) False

Correct Answer

verifed

verified

Light breaks down rhodopsin.

A) True
B) False

Correct Answer

verifed

verified

You try eggplants for the first time and notice a very bitter taste. Which of the following are you most likely tasting in the eggplant?


A) Alkaloids
B) Acids
C) Inorganic salts
D) Carbohydrates

E) B) and C)
F) B) and D)

Correct Answer

verifed

verified

Arnold enters a darkened movie theater on a sunny summer afternoon. It takes many minutes for his eyes to adapt to the darkness because


A) it takes some time for the retina to rebuild its rhodopsin stores from opsin and retinal.
B) the rods in the eye work only in bright light, and it takes time for the cones to work in weak light.
C) the iris takes time to close after being subjected to bright light.
D) the optic nerve fatigues in bright light, and it takes time to recover.

E) None of the above
F) A) and D)

Correct Answer

verifed

verified

As a result of the tympanic reflex,


A) the bridge of auditory ossicles becomes less rigid.
B) vibrations are transmitted more effectively to the inner ear.
C) the malleus is pulled toward the eardrum.
D) vibrations are transmitted less effectively to the inner ear.

E) B) and D)
F) B) and C)

Correct Answer

verifed

verified

Pain impulses are first processed in the


A) gray matter of the posterior horn.
B) motor cortex of the cerebrum.
C) dorsal root ganglion.
D) cerebral cortex.

E) All of the above
F) None of the above

Correct Answer

verifed

verified

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

A) True
B) False

Correct Answer

verifed

verified

The brain interprets input from sensory receptors as


A) reception.
B) sensation.
C) perception.
D) contraception.

E) B) and C)
F) A) and B)

Correct Answer

verifed

verified

Which of the following is not a primary taste sensation?


A) Sweet
B) Salty
C) Pungent
D) Sour

E) B) and C)
F) A) and D)

Correct Answer

verifed

verified

Choose the statement that does NOT correctly describe the function of the corresponding sensory receptor.


A) You feel searing pain as nociceptors in your skin respond to cell lysis and death from a spider bite.
B) An ice cube feels very cold as thermoreceptors in your fingers detect its temperature.
C) Your car appears blue as proprioceptors in your eyes detect light of 420nm wavelength reflecting from it.
D) Your heart rate increases as baroreceptors in your aorta detect low blood pressure.

E) A) and D)
F) B) and C)

Correct Answer

verifed

verified

Benign paroxysmal positional vertigo is a condition where debris enters the semicircular canal of the ear and moves the crista ampullaris, resulting in a lingering feeling of spinning or dizzying movement. The sensation occurs after slight movements of the head and persists after actual movement has stopped. The disorder is affecting ________ equilibrium.

Correct Answer

verifed

verified

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

A) True
B) False

Correct Answer

verifed

verified

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.

A) True
B) False

Correct Answer

verifed

verified

The ________ is the ossicle that transmits vibrations to the inner ear through the oval window.

Correct Answer

verifed

verified

Sound vibrations are conducted from the malleus to the stapes to the incus.

A) True
B) False

Correct Answer

verifed

verified

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


A) A torn tympanic membrane
B) A brain tumor
C) Damage to the auditory nerve
D) Use of the antibiotic drug streptomycin

E) All of the above
F) A) and B)

Correct Answer

verifed

verified

Sensory receptors include


A) baroreceptors.
B) motor neurons.
C) interneurons.
D) Schwann cells.

E) A) and D)
F) All of the above

Correct Answer

verifed

verified

The color receptors in the retina are most sensitive to light waves that are


A) red, green, and blue.
B) red, blue, and yellow.
C) green, yellow, and purple.
D) orange, green, and purple.

E) B) and C)
F) B) and D)

Correct Answer

verifed

verified

Fibers of the spinothalamic tract transmit pain and temperature information to the


A) hypothalamus.
B) cerebellum.
C) brainstem.
D) thalamus.

E) All of the above
F) C) and D)

Correct Answer

verifed

verified

Jenny slurps up a plate of beef lo mein at a Chinese restaurant. "That tastes great, but I can't quite describe it." What type of taste sensation is she experiencing?


A) Paprika
B) Umami
C) Starch
D) Pepper

E) B) and D)
F) B) and C)

Correct Answer

verifed

verified

Showing 61 - 80 of 92

Related Exams

Show Answer