This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A 25-year-old man is suspected of having viral hepatitis. Blood tests reveal that his blood contains ... (Read 270 times)

mpobi80

  • Hero Member
  • *****
  • Posts: 519
on: Jun 25, 2018
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
Reply #1 on: Jun 25, 2018
Answer to Question 1

B

Answer to Question 2

True


mpobi80

  • Hero Member
  • *****
  • Posts: 519
Reply #2 on: Jun 25, 2018
Correct answers!


Athena23

  • Sr. Member
  • ****
  • Posts: 305
Reply #3 on: Jun 25, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

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?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

The pH of human blood ranges from 7.35 to 7.45. The pH of human blood ranges from 7.35 to 7.45.
Hormonal and nervous factors influencing blood pressure Hormonal and nervous factors influencing blood pressure
Relationship between blood and lymph capillaries. Relationship between blood and lymph capillaries.
Principal component analysis of blood plasma metabolites in chronic myeloid leukemia (CML) patients Principal component analysis of blood plasma metabolites in chronic myeloid leukemia (CML) patients
Structure of hemoglobin, the oxygen-transporting protein of red blood cells. It consists of four glo Structure of hemoglobin, the oxygen-transporting protein of red blood cells. It consists of four glo
Forms of carbon dioxide in the blood Forms of carbon dioxide in the blood
Video: Chloroplast Structure & Light Dependent Reactions (Photosystem 1 and 2 Cyclic Electron Flow)

For a complete list of videos, visit our video library