6a/P Anatomy Pysiology Test

35 Questions | By Cngsoto | Last updated: Mar 21, 2022 | Total Attempts: 49

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Test 6 anatomy physiology oooooooooo

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1.

Olfactory glands
- A.
  
  Contain neural receptors for the sense of smell
- B.
  
  Form the basement membrane of the olfactory epitelium
- C.
  
  Are sensitive to aromatic molecules in the air
- D.
  
  Produce a pigmented mucus covers olfactory epithelium
- E.
  
  Form olfactory bulb
2.

All of the following are true of olfactory pathways except
- A.
  
  Decussate at the level of mamillary bodies
- B.
  
  Are subjected to central modification by several areas of brain
- C.
  
  Carry impulse fot the olfactory cortex
- D.
  
  Are the only sensory pathways to reach teh cerebral cortex without first synapsing in the thalamus
- E.
  
  Exibit a considerable amount of convergence
3.

All are true of teh vascular tunic of the eye except
- A.
  
  Provides route for blood vessels n lyphatic that supply tissue
- B.
  
  Regulates amount of light entering the eye
- C.
  
  Secretes and reabsorbs the aqueous humor
- D.
  
  Contains pain receptors
- E.
  
  Controls the shape of the lens
4.

Vitreous Body
- A.
  
  Contains the lens
- B.
  
  Helps to stabilize eye and give physical support retina
- C.
  
  Contains blood vessels nourish retina
- D.
  
  Located between the lesn n iris
- E.
  
  Replaced at eh rate of 20% year
5.

The shape of the lens is controlled by the
- A.
  
  Pupillary constrictor muscles
- B.
  
  Papillary dilator muscle
- C.
  
  Ciliary muscle
- D.
  
  Iris
- E.
  
  Aqueous body
6.

When all three cones population are stimulated we see
- A.
  
  Red
- B.
  
  Blue
- C.
  
  Green
- D.
  
  White
- E.
  
  Black
7.

The vibrations received by the ear are amplified by the action of the
- A.
  
  Auditory ossicles
- B.
  
  Cochlea
- C.
  
  Oval window
- D.
  
  Round window
- E.
  
  Typanic membrane
8.

The following steps occur in rods when they excited by photons of light
- A.
  
  1 6 5 2 4 3
- B.
  
  3 6 5 2 1 4
- C.
  
  6 3 5 2 1 4
- D.
  
  3 6 5 1 2 4
- E.
  
  1 3 4 5 6 2
9.

Which of the following statement concerning vision is false?
- A.
  
  Approximately half fo the fibers in each optic nerve corss opposit sides of the brain
- B.
  
  Fibers of teh optic nerve synaps at teh lateral geniculates
- C.
  
  Image that is formed on the retina is inverted
- D.
  
  Depth of perception is improved when one eye is closed
- E.
  
  Visual cortex of the brain contain sensory map
10.

The frequency of sound is indicated to the nervous systerm by the
- A.
  
  Frequency of sterocilia vibration
- B.
  
  Number of row of hairs cells
- C.
  
  Regioon of inner ear that is stimulated
- D.
  
  Movement of perilymph choclear duct
- E.
  
  Frequency of vibration of tectorial membrane
11.

The follwoing is a list of stept occur production of auditory sensation
- A.
  
  2 4 1 6 5 3
- B.
  
  2 4 6 3 5 1
- C.
  
  2 1 4 5 5 3
- D.
  
  2 4 6 1 5 3
- E.
  
  2 5 4 6 1 3
12.

A sound with frequency of 18000 hz would
- A.
  
  Be very loud
- B.
  
  Be very soft
- C.
  
  Be high pitched
- D.
  
  Be low pitched
- E.
  
  B n D
13.

Damage to the cupula of the lateral semicirular canal would interfer with our perception
- A.
  
  Gravitational pull
- B.
  
  Linear acceleration
- C.
  
  Horizontal rotation of head
- D.
  
  Vertical rotation
- E.
  
  Angular rotation
14.

Whey do objects veiwed under water while scuba diving appear closer n larger
- A.
  
  Water magnifies image - denser than lens
- B.
  
  Light moves more sltowly through the water
- C.
  
  Dive mask refracts lifht before it reaches the cornea and the extra refraction causes image to appear closer and larger
- D.
  
  The cornea does not function in water n the light is not regracted as much
- E.
  
  Light waves are scattered by the water before reaching the eye
15.

If the sodium pimp in the membrane of teh photo receptors were blocked
- A.
  
  Constantly see colors
- B.
  
  Visual acuity
- C.
  
  Blindenss would result
- D.
  
  Able to see dim light
- E.
  
  Cells would not be able to produce nuerotransmitters
16.

Taste cells produce all the following sensation except
- A.
  
  Spicy
- B.
  
  Salty
- C.
  
  Bitter
- D.
  
  Sweet
- E.
  
  Sour
17.

The loudness of sound is correlated with ______ of soundwave
- A.
  
  Pitch
- B.
  
  Frequency
- C.
  
  Amplitude
- D.
  
  Wavelength
- E.
  
  Speed
18.

The sensory cell of hearing are stimulated by ____ resting on their sterocilia
- A.
  
  Basilar mem
- B.
  
  Vestibular
- C.
  
  Typanic
- D.
  
  Tectorial
- E.
  
  Crista
19.

At normal daylight intesity, the _____ cells are nonfuctional bec all their rhodopsin is bleached
- A.
  
  Cone
- B.
  
  Rod
- C.
  
  Amacrine
- D.
  
  Bipolar
- E.
  
  Corneal
20.

When you view objects closer to the eye, the eye makes and adjustment called
- A.
  
  Emmetropia
- B.
  
  Accomodation
- C.
  
  Refraction
- D.
  
  Myopia
- E.
  
  Diplopia
21.

When a tip link opens the ion channels on the cholear sterocilium _____ ions rapidly enter and depolarize the hair cells
- A.
  
  Sodium
- B.
  
  Potassium
- C.
  
  Chloride
- D.
  
  Calcium
- E.
  
  Magnesium
22.

When light is absorbed by rod cells
- A.
  
  Clylic gmp is produced
- B.
  
  Rod cells release a sudden flood of glutamic acid
- C.
  
  All bipolar cells become hyperpolarized
- D.
  
  Retinal and opsin dissociate from each other
- E.
  
  Sodium ions diffuse
23.

What is the main function of the rods in teh eye
- A.
  
  Depth perception
- B.
  
  Color vision
- C.
  
  Vision in dim light
- D.
  
  Accomodation near vision
24.

Receptor for hearing are located in the
- A.
  
  Choclea
- B.
  
  Semicircular canals
- C.
  
  Typmanic memb
- D.
  
  Vestibule
25.

The oil componen found in tears is produced by
- A.
  
  Lacrimal gland
- B.
  
  Ciliary gland
- C.
  
  Conjunctiva
- D.
  
  Tarsal gland