Bio 30 Senses

32 Questions | By Jentraxel | Updated: Dec 16, 2022 | Attempts: 2405

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This exam is to learn and understand the senses in the body.

Questions and Answers

1.

When adaptation of the eye occurs to view objects in a dark room,
- A.
  
  The pupil increases in size and the rods become active
- B.
  
  The pupil decreases in size and the rods become more active
- C.
  
  The pupil increases in size and the cones become active
- D.
  
  The pupil decreases in size and the cones become active
2.

Which structure in the ear is associated with dizziness?
- A.
  
  Cochlea
- B.
  
  Semi-circular canals
- C.
  
  Eustachian Tube
- D.
  
  Ossicles
3.

The auditory nerve conducts impulses to the cerebrum from the
- A.
  
  Cochlea
- B.
  
  Ear drum
- C.
  
  Eustachian tube
- D.
  
  Semi-Circular Canals
4.

The ear structure that converts the mechanical energy of sound to nerve impulses is the,
- A.
  
  Organ of Corti
- B.
  
  Eustachian Tube
- C.
  
  Tympanic Membrane
- D.
  
  Stirrup
5.

The main function of the Eustachian Tube is to
- A.
  
  Drain fluid from the middle ear
- B.
  
  Conduct sound waves to eardrum
- C.
  
  Maintain equal air pressure on the eardrum
- D.
  
  Maintain low pressure in innner ear
6.

The sensory cells for detecting acceleration of the human body are located in the
- A.
  
  Semi circular canals
- B.
  
  Organ of corti
- C.
  
  Cerebellum
- D.
  
  Cochlea
7.

_________ equilibrium is detected by the semi circular canals while ___________ equilibrium is detected by the utricle/saccule of the vestibule of the inner ear.
8.

Changing the focus of the eye for viewing nearby objects to viewing distant objects involves changing the shape of the
- A.
  
  Cornea
- B.
  
  Pupil
- C.
  
  Iris
- D.
  
  Lens
9.

The sensory nerves of the inner ear carries impulses from ______ receptors.
- A.
  
  Sight
- B.
  
  Sound
- C.
  
  Hearing
- D.
  
  Ocular
10.

A blindfolded acrobat performing on a tightrope depends on balance MAINLY from the
- A.
  
  cerebellum and semicircular canals
- B.
  
  Cerebral cortex
- C.
  
  Cerebellum and Eustachian tube
- D.
  
  Cochlea
11.

Another mechanoreceptor found in muscles, tendons and joints. Also send information to the brain about body position.
12.

The structure responsible for accomodation?
13.

The structure that captures stray light rays is
14.

What is the structure responsible for acuity of the image?
15.

Photoreception is by the layer called?
16.

An astigmatism is due to the uneven curvature of the?
17.

A high density of cones is found in the structure?
18.

Regulating the amount of light entering the eye is the?
19.

The region of the brain that interprets the nerve impulses from rods and cones is?
20.

Changing the shape of the lens is by the _____ & _____ ?
21.

Another name for nearsightedness?
22.

Farsightedness is when the the image is being focused _________ the retina
23.

The light absorbing pigment found in rods is ______ ?
24.

Nearsightedness is charaterized by a ______ eyeball?
25.

Receptors for hot and cold are known as?