This topic contains a solution. Click here to go to the answer

Author Question: A 25-year-old man is suspected of having viral hepatitis. Blood tests reveal that his blood contains ... (Read 256 times)

mpobi80

  • Hero Member
  • *****
  • Posts: 519
A 25-year-old man is suspected of having viral hepatitis. Blood tests reveal that his blood contains antibody directed against the hepatitis B surface antigen (anti-HBs) but does not contain hepatitis B surface antigen (HBsAg).
 
  What do these results indicate? A. The subject has a hepatitis B infection.
  B. The subject has had a hepatitis B infection some time in the past and is immune, or the subject has been immunized against the hepatitis B virus and is immune.
  C. The subject never had hepatitis B or a hepatitis B immunization, but may have hepatitis A.
  D. The subject probably has infectious mononucleosis.

Question 2

The ability of the body's defenses to fight off a pathogenic organism depends on both the virulence of the organisms and the resistance of the infected person.
 
  Indicate whether the statement is true or false



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Athena23

  • Sr. Member
  • ****
  • Posts: 305
Answer to Question 1

B

Answer to Question 2

True





 

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

For a complete list of videos, visit our video library