Module 3 Exam: Questions &Answers
Section 1: Special Senses (Vision, Hearing, Smell, & Taste)
Question 1
Which of the following senses does not have specialized sense organs?
A. Smell
B. Touch
C. Equilibrium
D. Vision
Correct Answer: B
Rationale: Touch is the only sense listed that does not utilize specialized sense
organs, relying instead on receptors distributed throughout the skin and other
tissues
Question 2
The outer fibrous layer of the eye includes which of the following structures?
A. Sclera and cornea
B. Ciliary body and iris
C. Pupil and retina
D. Lens and vitreous fluid
,Correct Answer: A
Rationale: The outer fibrous layer of the eye is composed of the sclera and the
cornea
Question 3
Which of the following regions are included in the middle layer of the eye?
A. Aqueous humor and cornea
B. Ciliary body and iris
C. Cones and rods
D. Optic nerve and retina
Correct Answer: B
Rationale: The middle layer of the eye (vascular tunic) includes the ciliary body
and the iris
Question 4
True or False: Cones operate best in dim light.
A. True
B. False
Correct Answer: B (False)
, Rationale: Cones are responsible for color vision and high-acuity vision, operating
best in bright light conditions, whereas rods operate best in dim light
Question 5
Which of the following describes the correct order of how light passes through the
structures of the eye?
A. Cornea, lens, pupil, retina
B. Cornea, lens, vitreous fluid, retina
C. Lens, retina, cornea, optic nerve
D. Lens, vitreous fluid, optic nerve, retina
Correct Answer: B
Rationale: Light travels sequentially through the cornea, lens, vitreous fluid (which
fills the space posterior to the lens), and finally reaches the retina
Question 6
A patient is diagnosed with blindness of the right visual field in both eyes. Which
part of the visual pathway was most likely damaged?
A. Left optic nerve
B. Right optic nerve
C. Left lateral geniculate nucleus (LGN)