Immune System

Which of the following are considered internal defenses? (there may be more than one correct answer)

• Mucus

• Inflammation

• Tears

• Hair

• Tcells

True/False: Your body cannot make antibodies for pathogens that you have never been in contact with.

• True, because your body needs to encounter the pathogen at least once in order to create the antibodies.

• False, because you can make antibodies via immunizations given by a doctor.

Which pathogen can be cured by antibiotics?

• Virus
• Bacteria
• Protist
• Fungi

The picture below illustrates one internal part of the body’s immune system. What process is illustrated in the picture?  

• a skin cell destroying germs.
• inflammation near an opened wound
• a white blood cell destroying pathogens
• mucus in the lungs destroying pathogens

Which of the following is the body’s first line of defense against disease?

• vaccines
• white blood cells
• antibodies
• skin

Which of the following are non-specific defense?

• Skin

• Fever

• B-cells and T-cells

What is the role of nasal mucus?

• collect dead cells

• lubricate the nasal passage

• make phlegm

• trap particles

How do antigens protect the body from diseases?

• They make white blood cells.
• They produce mucus, which washes away germs.
• They help destroy T cells.
• They alert the immune system when pathogens enter the body.

Why are antibodies helpful? Choose ALL that apply.

• The more antibodies your body has, the more pathogens it can destroy.

• Antibodies alert B-cells to the presence of a pathogen.

• Antibodies help your body "memorize" different pathogens so they don't make you sick again.

Which of the following are you born with? Select all that apply.

• Non-specific immune defenses

• Adaptive immune system

• Antibodies that match a variety of pathogens

• Phagocytes that destroy any pathogen they see