Lesson 1 Anatomy Quiz

Which muscle is known as the external rectus?

• Superior oblique

• Inferior oblique

• Lateral rectus

• Medial rectus

What is the function of the superior oblique muscle?

• To elevate the eye

• To depress the eye

• To rotate the eye

• To abduct the eye

What is the function of rods in the eye?

• Detecting colors

• Seeing in low light

• Focusing light

• Protecting the eye

What is the innermost layer of the eye?

• Retina

• Sclera

• Choroid

• Cornea

What is the role of the optic chiasma?

• To produce neurotransmitters

• To cross some optic nerve fibers

• To absorb light energy

• To regulate blood pressure

What is the function of the lateral geniculate body of the thalamus?

• To produce hormones

• To act as a relay center for visual information

• To regulate body temperature

• To control muscle movement

Which cells modify the information before it reaches the ganglion cells?

• Amacrine cells

• Bipolar cells

• Photoreceptors

• Horizontal cells

What is myopia?

• A condition where the image focuses behind the retina.

• A condition where the image focuses in front of the retina.

• A condition where the image does not focus at all.

• A condition where the image focuses on the lens.

What is the role of the pharyngotympanic tube?

• It connects the tympanic cavity to the nasal pharynx.

• It amplifies sound waves.

• It transmits sound to the inner ear.

• It blocks external sounds.

What is the semicircular canal part of?

• The inner ear.

• The middle ear.

• The external ear.

• The auditory tube.