Author Question: The incidence of allergies has increased in recent years due to all of the following EXCEPT A) ... (Read 78 times)

codyclark

  • Hero Member
  • *****
  • Posts: 538
The incidence of allergies has increased in recent years due to all of the following EXCEPT
 
  A) increased exposure to microbes.
  B) smaller family size.
  C) less exposure to animals.
  D) use of antibiotics and vaccines to prevent diseases.

Question 2

All of the following are correct about vaccines EXCEPT
 
  A) they can be prepared from weakened pathogens.
  B) they can cause autism.
  C) they allow the body to develop immunity to a pathogen without being ill.
  D) they induce active immunity.



Dinolord

  • Sr. Member
  • ****
  • Posts: 313
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
 

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

For a complete list of videos, visit our video library