« previous next »

Author Question: An allergen is best described as a: A) substance in the body that recognizes foreign materials. ... (Read 61 times)

kfurse

  • Hero Member
  • *****
  • Posts: 590
on: Jul 3, 2018
An allergen is best described as a:
 
  A) substance in the body that recognizes foreign materials.
  B) chemical released by cells in the body to fight foreign materials.
  C) chemical messenger in the body that activates the immune system when there is a foreign material present.
  D) foreign substance that causes a hypersensitivity reaction in the body.

Question 2

Activase is used to:
 
  a. break down thrombi.
  b. dilate blood vessels to reduce blood pressure.
  c. decrease the formation of platelet plugs.
  d. interrupt the clotting cascade.


Dinolord

  • Sr. Member
  • ****
  • Posts: 313
Reply #1 on: Jul 3, 2018
Answer to Question 1

D

Answer to Question 2

a


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Tattoos and Body Piercings: Note the presence of all body piercings Tattoos and Body Piercings: Note the presence of all body piercings
(A) Scratch test; patient is exposed to allergens through a light scratch on the skin; (B) Positive (A) Scratch test; patient is exposed to allergens through a light scratch on the skin; (B) Positive
Fascial sheaths surrounding and linking the muscles of the back of the body. Fascial sheaths surrounding and linking the muscles of the back of the body.
(A) A brisk half-moon stroke is an efficient technique to use with the body brush or exfoliation ... (A) A brisk half-moon stroke is an efficient technique to use with the body brush or exfoliation ...
DOT placarding requirements: Table 1 materials must be placarded in any quantity, and Table 2 ... DOT placarding requirements: Table 1 materials must be placarded in any quantity, and Table 2 ...
An Enzyme in Action Enzymes speed up reactions in your body An Enzyme in Action Enzymes speed up reactions in your body
Video: Four Giant Convection Cells oF Earth

For a complete list of videos, visit our video library