Portage Learning Anatomy & Physiology
2: Lab 2 Exam Senses Questions and
Answers | Latest Version | 2025/2026 |
Correct & Verified
Which part of the eye controls the amount of light entering?
✔✔ The iris
What structure focuses light onto the retina?
✔✔ The lens
Which receptor type detects pressure and touch?
✔✔ Mechanoreceptors
Where are taste buds located?
✔✔ On the tongue, inside the papillae
Which cranial nerve is responsible for smell?
✔✔ The olfactory nerve (CN I)
1
,What is the transparent layer at the front of the eye called?
✔✔ The cornea
What type of receptor is activated by changes in temperature?
✔✔ Thermoreceptors
What part of the ear detects rotational movement?
✔✔ Semicircular canals
What fluid is found in the anterior chamber of the eye?
✔✔ Aqueous humor
Where are cones most densely located in the retina?
✔✔ The fovea centralis
What is the main function of rods in the eye?
✔✔ To detect light in dim conditions
2
, What is the function of the pupil?
✔✔ To allow light to enter the eye
Which part of the ear converts vibrations into neural signals?
✔✔ The cochlea
What is the name of the area where the optic nerve exits the eye?
✔✔ The optic disc
Why is the optic disc called the blind spot?
✔✔ It contains no photoreceptors
What structure changes shape to allow focusing on near or far objects?
✔✔ The lens
What is the gel-like substance inside the eyeball called?
✔✔ Vitreous humor
3
2: Lab 2 Exam Senses Questions and
Answers | Latest Version | 2025/2026 |
Correct & Verified
Which part of the eye controls the amount of light entering?
✔✔ The iris
What structure focuses light onto the retina?
✔✔ The lens
Which receptor type detects pressure and touch?
✔✔ Mechanoreceptors
Where are taste buds located?
✔✔ On the tongue, inside the papillae
Which cranial nerve is responsible for smell?
✔✔ The olfactory nerve (CN I)
1
,What is the transparent layer at the front of the eye called?
✔✔ The cornea
What type of receptor is activated by changes in temperature?
✔✔ Thermoreceptors
What part of the ear detects rotational movement?
✔✔ Semicircular canals
What fluid is found in the anterior chamber of the eye?
✔✔ Aqueous humor
Where are cones most densely located in the retina?
✔✔ The fovea centralis
What is the main function of rods in the eye?
✔✔ To detect light in dim conditions
2
, What is the function of the pupil?
✔✔ To allow light to enter the eye
Which part of the ear converts vibrations into neural signals?
✔✔ The cochlea
What is the name of the area where the optic nerve exits the eye?
✔✔ The optic disc
Why is the optic disc called the blind spot?
✔✔ It contains no photoreceptors
What structure changes shape to allow focusing on near or far objects?
✔✔ The lens
What is the gel-like substance inside the eyeball called?
✔✔ Vitreous humor
3
