A positive tuberculin skin test usually indicates that the person
A) is not suffering from tuberculosis.
B) is at risk of acquiring tuberculosis.
C) has been exposed to Mycobacterium.
D) has not been vaccinated against tuberculosis.
E) should receive a BCG vaccination.
Correct Answer:
Verified
Q25: A person who has recovered from an
Q26: Toxoids are
A)antibodies against toxins.
B)lipopolysaccharides of Gram-negative bacteria.
C)proteins
Q27: An attenuated vaccine consists of
A)killed microorganisms.
B)live microorganisms.
C)inactivated
Q28: Complement is activated by
A)an immune antibody.
B)phagocytes.
C)antigen-antibody complexes.
D)natural
Q29: The type of T cells that kill
Q31: Which of the following is a secondary
Q32: The role of opsonins in the human
Q33: An example of an autoimmune disease is
A)hay
Q34: Which of the following is NOT an
Q35: Which class of antibody is the major
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents