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 290 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?

Thyroid conditions may make getting pregnant impossible.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

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?

There are more nerve cells in one human brain than there are stars in the Milky Way.

For a complete list of videos, visit our video library