Question 1 (1 point)

Which term is considered the body's first line of defense against infection?

Question 1 options:

pancreas

white blood cells

fever

skin

Question 2 (1 point)
How do mucus membranes protect the body from pathogens?

Question 2 options:

They act as a waterproof barrier to entry

They produce sticky mucus to trap pathogenic particles

They secrete enzymes that break down bacterial cells

They produce acid to prevent pathogens from growing

Question 3 (1 point)
What do antibodies do?

Question 3 options:

attach to cells with the corresponding antigen

produce antigens

produce immature cells that become B cells

engulf and destroy pathogens

Question 4 (1 point)
A human's immune system detects a cell with an antigen that the immune system recognizes as belonging to the body.
How will the immune system most likely respond to this situation?

Question 4 options:

by leaving it alone

by tagging it for destruction

by producing antibodies

by engulfing it with a macrophage

Question 5 (1 point)
How does treatment for a bacterial infection differ from treatment for a virus?

Question 5 options:

Viruses, not bacterial infections, can be treated with antibiotics

Both types of diseases can be treated with antibiotics

Viruses can be treated with antiprotist medications

Bacterial infections, not viruses, can be treated with antibiotics

1 answer

Here are the correct answers for each question:

Question 1

Answer: skin
The skin is considered the body's first line of defense against infection.

Question 2

Answer: They produce sticky mucus to trap pathogenic particles
Mucus membranes protect the body by producing mucus that traps pathogens.

Question 3

Answer: attach to cells with the corresponding antigen
Antibodies attach to cells that have the specific antigens they are designed to recognize.

Question 4

Answer: by leaving it alone
The immune system typically recognizes cells with self-antigens and leaves them alone, as they belong to the body.

Question 5

Answer: Bacterial infections, not viruses, can be treated with antibiotics
Antibiotics are effective in treating bacterial infections but not viral infections.

If you have any further questions or need additional information, feel free to ask!