Author Question: A condition in which the heart muscle is damaged and can't pump strongly enough to maintain adequate ... (Read 84 times)

dbose

  • Hero Member
  • *****
  • Posts: 597
A condition in which the heart muscle is damaged and can't pump strongly enough to maintain adequate blood flow is
 
  A) a heart attack.
  B) congestive heart failure.
  C) a stroke.
  D) coronary artery disease.

Question 2

Explain how an allergy affects the body.
 
  What will be an ideal response?



morrie123456

  • Sr. Member
  • ****
  • Posts: 314
Answer to Question 1

B

Answer to Question 2

An allergy is a hypersensitive reaction by the immune system in which exposure to an allergen causes the body to produce antibodies. Binding of the antibodies to mast cells causes the release of histamine, which in turn triggers a localized or systemic allergic response.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

For a complete list of videos, visit our video library