Chapter 16 Quiz

Why is your skin considered a nonspecific form of defense?

• skin acts as a barrier to all kinds of pathogens

• skin targets particular pathogens to protect the body

• skin doesn't allow one specific kind of illness inside the body

• the skin lets in ALL pathogens from outside

Which of the following are examples of an inflammatory response?

• swollen eyes

• swollen cut

• swollen eyes

• all of the choices

What body defense activates B cells?

• T cells

• B cells

• Macrophages

• skin

What do B cells produce?

• antibodies

• skin

• mucus

• money

Why is active immunity better than passive immunity?

• Active immunity lasts longer than Passive immunity

• Passive immunity lasts longer than Active immunity

• Passive immunity does not help the body

• Active immunity only helps when you are moving your body

Sketch a neuron and label its three main parts. (dendrites, cell body, axon labels)

Which kind of neuron carries impulses from the brain to the body?

• a motor neuron

• a spinal neuron

• a moving neuron

• an impulse neuron

What two organs make up the central nervous system?

• the brain and spinal cord

• the heart and veins

• the lungs and bronchi

• the lymphatic nodes and capillaries

Your brain can't detect light, so how does it "see" your environment?

• Light reflects off objects and are converted in the retina

• My brain can detect light and see

• Light is absorbed by objects and glow in the retina

• Light is blocked from your retinas and you see shadows

Where are the sound receptors located within the ear's structure?

• cochlea

• ear canal

• hammer

• ear drum