7th ch. 16 Chapter 16: Test - Control

Which of the following is a part of the body’s nonspecific defenses?

• an antibody

• a B cell

• fever

• a lymphocyte

Which of the following is not an inflammatory response?

• A. tender, warm, and red skin surrounding a simple scrape

• B. irritated, red, and swollen gums resulting from gingivitis

• C. antibodies and memory cells attacking whooping cough bacteria in the body

• D. extra plasma and white blood cells being brought to the site of a lung infection

Macrophages know which substances are foreign and need to be attacked by the (a)   on the substances’ cell membranes.

• antibodies

• antigens

• B cells

• T cells

Antibodies are produced by (a)   .

• antigens

• B cells

• T cells

• macrophages

A vaccine produces (a)   immunity.

• active

• memory

• passive

• resistance

Signals from your brain or spinal cord to muscles and other parts of your body are carried by (a)   .

• cerebral neurons

• interneurons

• motor neurons

• sensory neurons

What is the small gap between the axon and dendrite of two nearby neurons?

• cell body

• impulse

• interneuron

• synapse