Sensory Systems Quiz

What is the main function of the rods in the retina?

• Color vision

• Night vision

• Focusing light

• Detecting movement

Which part of the brain is primarily responsible for processing visual information?

• Cerebellum

• Medulla oblongata

• Occipital lobe

• Frontal lobe

What is the role of myelin sheath in nerve cells?

• To generate nerve impulses

• To protect the nerve cell

• To speed up the transmission of nerve impulses

• To connect nerve cells

Which part of the ear is involved in converting sound waves into electrical signals?

• Auditory canal

• Eardrum

• Cochlea

• Eustachian tube

What is the function of the spinal cord in the nervous system?

• To process thoughts and make decisions

• To serve as the main pathway for information connecting the brain and peripheral nervous system

• To protect the brain from injury

• To regulate heart rate and breathing

Which of the following best describes a reflex arc?

• A direct connection between sensory neurons and muscles that allows for quick responses

• A long pathway through the brain that is used for complex decision making

• A connection between the eyes and the brain for processing visual information

• A pathway for auditory signals to travel from the ear to the brain

What is the primary function of the optic nerve?

• To move the eyeball

• To adjust the shape of the lens

• To transmit visual information from the retina to the brain

• To regulate the amount of light entering the eye

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How do neurons communicate with each other?

• Through direct physical contact

• By releasing chemicals called neurotransmitters

• By generating heat

• Through electrical insulation

What role does the cerebrum play in sensory perception?

• It processes sensory information and is involved in memory, thought, and consciousness.

• It controls balance and coordinates movement.

• It regulates autonomic functions like heartbeat and breathing.

• It connects the brain to the spinal cord.

Which part of the eye adjusts its shape to focus light on the retina?

• Iris

• Lens

• Cornea

• Sclera