Chapter 3 Quiz Review

A nerve ending that responds to a stimulus in the environment

• Nervous system

• Sensory Receptor

• Red Blood Cell

• Muscle Tissue

Select the three types of inputs that sensory receptors respond to.

• Mechanical

• Chemical

• Electromagnetic

• Bacteria and Viruses

Tells the brain when you are touched

• Mechanoreceptors

• Chemoreceptors

• Photoreceptors

Breathe in chemicals, then ______________ send a message to sensory neurons, sensory neurons send a message to the brain to determine what you smelled.

• Mechanoreceptors

• Chemoreceptors

• Photoreceptors

Chemicals in food dissolve in saliva, taste bud neurons send message to the brain, brain compares them to previous experiences to determine what you tasted.

• Mechanoreceptors

• Chemoreceptors

• Photoreceptors

Light is the stimulus for this, send an electric message to the optic nerve, the optic nerve sends a message to the brain, brain determines what you are seeing based off previous experiences.

• Mechanoreceptors

• Chemoreceptors

• Photoreceptors

__________________ is a mechanical stimulation of the skin

• Pressure

• Receptors

• Bacteria

• Sunburn

Pain and temperature signals are sent by bare nerve endings embedded in the skin.

• True

• False

Receptors send messages through the spinal cord to the nerves.

• True

• False

If babies are not adequately touched, they will not develop normally.

• True

• False

• There is no research to support this