« previous next »

Author Question: The body's first line of defense against pathogens includes A) mucous membranes. B) B cells. C) ... (Read 121 times)

deesands

  • Hero Member
  • *****
  • Posts: 514
on: Jul 12, 2018
The body's first line of defense against pathogens includes
 
  A) mucous membranes.
  B) B cells.
  C) macrophages.
  D) mast cells.

Question 2

You can acquire an infectious disease by doing all of the following EXCEPT
 
  A) sharing food.
  B) looking at someone who is sick.
  C) swimming in a lake.
  D) sitting near a sick person.


JaynaD87

  • Sr. Member
  • ****
  • Posts: 368
Reply #1 on: Jul 12, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Answer: B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Action of aldosterone on distal convoluted tubule epithelial cells. Action of aldosterone on distal convoluted tubule epithelial cells.
Three Tissue Systems Extend Throughout the Plant Body Three Tissue Systems Extend Throughout the Plant Body
A schematic of the circulatory system illustrating the pulmonary circulation picking up oxygen from A schematic of the circulatory system illustrating the pulmonary circulation picking up oxygen from
The appearance of different types of tissues-muscle, epithelial, nervous, connective-and their locat The appearance of different types of tissues-muscle, epithelial, nervous, connective-and their locat
Homeostasis and negative feedback as related to control of body temperature. Homeostasis and negative feedback as related to control of body temperature.
Sandwich or capture enzyme immunoassay. The first antibody captures antigen from a body fluid (or ... Sandwich or capture enzyme immunoassay. The first antibody captures antigen from a body fluid (or ...
Video: Vasectomy

For a complete list of videos, visit our video library