Author Question: The most common type of headache is the A) cluster headache. B) sinus headache. C) migraine ... (Read 72 times)

nmorano1

  • Hero Member
  • *****
  • Posts: 598
The most common type of headache is the
 
  A) cluster headache.
  B) sinus headache.
  C) migraine headache.
  D) tension headache.

Question 2

An allergic response begins with exposure to a(n)
 
  A) antigen.
  B) antibody.
  C) toxin.
  D) pathogen.



nmyers

  • Sr. Member
  • ****
  • Posts: 336
Answer to Question 1

Answer: D

Answer to Question 2

Answer: A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

For a complete list of videos, visit our video library