Muscles of eyeball

What muscle is responsible for moving the eye up and down?

• Superior rectus
• Inferior rectus
• Medial rectus
• Lateral rectus

What muscle is responsible for moving the eye inwards?

• Superior rectus
• Inferior rectus
• Medial rectus
• Lateral rectus

What muscle is responsible for moving the eye outwards?

• Superior rectus
• Inferior rectus
• Medial rectus
• Lateral rectus

Which muscle is responsible for keeping the eye in a fixed position?

• Superior oblique
• Inferior oblique
• Medial rectus
• Lateral rectus

Which muscle is responsible for rotating the eye downward and laterally?

• Superior oblique
• Inferior oblique
• Medial rectus
• Lateral rectus

How many extrinsic muscles are responsible for moving the eye?

• 1.0
• 2.0
• 4.0
• 6.0

How many intrinsic muscles are responsible for controlling the shape of the lens?

• 1.0
• 2.0
• 4.0
• 6.0

What muscle is responsible for constriction of the pupil?

• Superior rectus
• Inferior rectus
• Medial rectus
• Sphincter pupillae

What muscle is responsible for dilation of the pupil?

• Superior rectus
• Inferior rectus
• Medial rectus
• Dilator pupillae

Which muscle is responsible for controlling the shape of the lens?

• Superior rectus
• Inferior rectus
• Ciliary muscle
• Sphincter pupillae