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 209 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?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

There are 60,000 miles of blood vessels in every adult human.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

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?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

X-Ray Crystallography Helped Reveal the Structure of DNA X-Ray Crystallography Helped Reveal the Structure of DNA
Guidelines for proper blood pressure cuff size Guidelines for proper blood pressure cuff size
Exchange of gases between lungs and blood. High concentration of CO2 in blood capillary entering the ... Exchange of gases between lungs and blood. High concentration of CO2 in blood capillary entering the ...
Insulin, glucagon, and blood glucose. Insulin, glucagon, and blood glucose.
Cellular Components of Mammalian Blood Cellular Components of Mammalian Blood
Measuring Blood Pressure Measuring Blood Pressure
Video: DNA close up Animation

For a complete list of videos, visit our video library