29.3 Senses

How do the senses help maintain homeostasis?

• By preventing stimuli from reaching the brain

• By detecting changes in the environment and sending signals to the nervous system

• By stopping the body from responding to external stimuli

• By generating energy for the body

Which of the following detects light in the eye?

• Mechanoreceptors

• Chemoreceptors

• Photoreceptors

• Thermoreceptors

What is the main function of rod cells in the eye?

• Detect color in bright light

• Detect faint light in dim conditions

• Detect sound vibrations

• Detect heat

How does the ear maintain balance?

• By detecting vibrations in the eardrum

• By using the cochlea to process sound

• By using the semicircular canals to sense head movement

• By amplifying sound waves

Which sensory receptors detect chemicals in the air or food?

• Chemoreceptors

• Photoreceptors

• Mechanoreceptors

• Thermoreceptors

Which type of receptor is responsible for detecting chemical stimuli?

• Mechanoreceptors

• Photoreceptors

• Chemoreceptors

• Pain receptors

Why do you lose part of your sense of taste when you have a cold?

• Because the tongue is unable to produce saliva

• Because the brain cannot detect flavors

• Because smell receptors in the nose are blocked

• Because taste buds stop working

What type of receptor detects temperature changes in the skin?

• Chemoreceptors

• Mechanoreceptors

• Photoreceptors

• Thermoreceptors

How do mechanoreceptors in the skin function?

• By detecting light and sound

• By sensing pressure and vibrations

• By detecting chemical changes

• By generating heat

The part of the ear that converts sound waves into signals the brain can interpret is the:

• Cochlea

• Eardrum

• Auditory Canal

• Pinna