NVCC RAD 105 Final
Comprehensive Resource To Help You Ace 2026-2027
Includes Frequently Tested Questions With ELABORATED
100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!!
Current Update!!
1. The six extrinsic muscles of the eye _______.
a) focus the lens of the eye
b) synapse with the nerve endings of the retina
c) are located outside the eye and function in positioning the eyeballs
d) are located inside the anterior cavity and function in support and
movement - ANSWER are located outside the eye and function in
positioning the eyeballs
2. The _______ is a transparent, elastic ball that lies at the rear of the anterior
cavity of the eyeball.
a) iris
b) lens
c) sclera
d) cornea - ANSWER lens
3. Pain receptors, known as _______, respond to stimuli that could damage
the body.
a) nociceptors
b) chemoreceptors
c) mechanoreceptors
d) photoreceptors - ANSWER nociceptors
,4. The sensation of _______ is a protective mechanism that makes us aware
of tissue injury.
a) taste
b) pain
c) touch
d) smell - ANSWER pain
5. A sensory receptor absorbs energy from a _______.
a) gland
b) stimulus
c) sensory organ
d) muscle - ANSWER stimulus
6. Odors are detected by the _______.
a) olfactory epithelium
b) papillae on the tongue
c) pores in the nasal concha
d) olfactory nerve - ANSWER olfactory epithelium
7. For vision to occur, light must pass through the eye and _______.
a) refract the lens
b) stimulate opsin and retinal to form rhodopsin
c) stimulate the iris
d) form an image on the retina - ANSWER form an image on the retina
8. The part of the ear that projects from the side of the head and surrounds
the ear canal is the_______.
,a) external auditory canal
b) pinna
c) eustachian tube
d) tympanic membrane - ANSWER pinna
9. _______ is the process of converting the energy of a stimulus into electrical
energy.
a) Polarization
b) Transduction
c) Integration
d) Sensory adaptation - ANSWER Transduction
10.The _______ contains mechanoreceptors that convert sound waves to
nerve impulses.
a) middle ear
b) oval window
c) inner ear
d) tympanic membrane - ANSWER inner ear
11.Eyes, ears, nose, and taste buds are all examples of _______.
a) stimuli
b) sense organs
c) sensory adaptors
d) proprioceptors - ANSWER sense organs
12.The three auditory ossicles—the malleus, incus, and stapes—_______.
a) stimulate the vestibular nerves
b) are the sound receptors
c) amplify vibrations caused by sound waves
, d) contain hair cells - ANSWER amplify vibrations caused by sound waves
13. A receptor in the retina converts light into electrical energy, a process that
_______.
a) is called transduction
b) is a graded response that generates an action potential
c) is reception
d) produces a receptor potential - ANSWER is called transduction
14. _______ helps us judge distances and depth.
a) Sensory adaptation
b) A receptor potential
c) Binocular vision
d) Transduction - ANSWER Binocular vision
15.In sensory adaptation, the frequency of action potentials _______.
a) remains constant in a sensory neuron even though the stimulus is
maintained
b) increases in a sensory neuron even though the stimulus is maintained
c) decreases in a sensory neuron even though the stimulus is increased
d) decreases in a sensory neuron even though the stimulus is maintained -
ANSWER decreases in a sensory neuron even though the stimulus is
maintained
16. The _______ regulates most endocrine activity and links the nervous and
endocrine systems.
a) thalamus
b) pituitary
c) hypothalamus
Comprehensive Resource To Help You Ace 2026-2027
Includes Frequently Tested Questions With ELABORATED
100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!!
Current Update!!
1. The six extrinsic muscles of the eye _______.
a) focus the lens of the eye
b) synapse with the nerve endings of the retina
c) are located outside the eye and function in positioning the eyeballs
d) are located inside the anterior cavity and function in support and
movement - ANSWER are located outside the eye and function in
positioning the eyeballs
2. The _______ is a transparent, elastic ball that lies at the rear of the anterior
cavity of the eyeball.
a) iris
b) lens
c) sclera
d) cornea - ANSWER lens
3. Pain receptors, known as _______, respond to stimuli that could damage
the body.
a) nociceptors
b) chemoreceptors
c) mechanoreceptors
d) photoreceptors - ANSWER nociceptors
,4. The sensation of _______ is a protective mechanism that makes us aware
of tissue injury.
a) taste
b) pain
c) touch
d) smell - ANSWER pain
5. A sensory receptor absorbs energy from a _______.
a) gland
b) stimulus
c) sensory organ
d) muscle - ANSWER stimulus
6. Odors are detected by the _______.
a) olfactory epithelium
b) papillae on the tongue
c) pores in the nasal concha
d) olfactory nerve - ANSWER olfactory epithelium
7. For vision to occur, light must pass through the eye and _______.
a) refract the lens
b) stimulate opsin and retinal to form rhodopsin
c) stimulate the iris
d) form an image on the retina - ANSWER form an image on the retina
8. The part of the ear that projects from the side of the head and surrounds
the ear canal is the_______.
,a) external auditory canal
b) pinna
c) eustachian tube
d) tympanic membrane - ANSWER pinna
9. _______ is the process of converting the energy of a stimulus into electrical
energy.
a) Polarization
b) Transduction
c) Integration
d) Sensory adaptation - ANSWER Transduction
10.The _______ contains mechanoreceptors that convert sound waves to
nerve impulses.
a) middle ear
b) oval window
c) inner ear
d) tympanic membrane - ANSWER inner ear
11.Eyes, ears, nose, and taste buds are all examples of _______.
a) stimuli
b) sense organs
c) sensory adaptors
d) proprioceptors - ANSWER sense organs
12.The three auditory ossicles—the malleus, incus, and stapes—_______.
a) stimulate the vestibular nerves
b) are the sound receptors
c) amplify vibrations caused by sound waves
, d) contain hair cells - ANSWER amplify vibrations caused by sound waves
13. A receptor in the retina converts light into electrical energy, a process that
_______.
a) is called transduction
b) is a graded response that generates an action potential
c) is reception
d) produces a receptor potential - ANSWER is called transduction
14. _______ helps us judge distances and depth.
a) Sensory adaptation
b) A receptor potential
c) Binocular vision
d) Transduction - ANSWER Binocular vision
15.In sensory adaptation, the frequency of action potentials _______.
a) remains constant in a sensory neuron even though the stimulus is
maintained
b) increases in a sensory neuron even though the stimulus is maintained
c) decreases in a sensory neuron even though the stimulus is increased
d) decreases in a sensory neuron even though the stimulus is maintained -
ANSWER decreases in a sensory neuron even though the stimulus is
maintained
16. The _______ regulates most endocrine activity and links the nervous and
endocrine systems.
a) thalamus
b) pituitary
c) hypothalamus
