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 267 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?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Formed elements of blood: erythrocytes, leukocytes (neutrophils, eosinophils, basophils, lymphocytes Formed elements of blood: erythrocytes, leukocytes (neutrophils, eosinophils, basophils, lymphocytes
Blood-typing and cross-reactions: The blood type depends on the presence of surface antigens (agglut Blood-typing and cross-reactions: The blood type depends on the presence of surface antigens (agglut
A blood smear. The smear reveals representative cells from each formed element group: red blood cell A blood smear. The smear reveals representative cells from each formed element group: red blood cell
Lower extremity blood pressure cuff Lower extremity blood pressure cuff
Tuning fork tests Tuning fork tests
Risk of Stroke and Heart Disease Increase with Increasing Blood Pressure Risk of Stroke and Heart Disease Increase with Increasing Blood Pressure
Video: Four Giant Convection Cells oF Earth

For a complete list of videos, visit our video library