Question 1

Where are B cells and T cells found?

Accepted Answer

A)   only in the blood
B)   only in the lymph
C)   primarily in the blood, but some are in the blood
D)   primarily in the lymph, but some are in the bloodE) B) and D)
F) All of the above

Question 2

Which of the following is true of cytokines?

Accepted Answer

A)   They are lipoproteins.
B)   They are produced by one cell but alter the function of another.
C)   both a and b
D)   neither a nor bE) B) and C)
F) A) and D)

Question 3

The enzyme GILT acts on which of the following types of antigens?

Accepted Answer

A)   nucleic acids
B)   polysaccharides
C)   proteins
D)   all of theseE) B) and C)
F) A) and C)

Question 4

Class I MHC molecules do which if the following?

Accepted Answer

A)   pick up dead antigens
B)   seek out antigen molecules that have been synthesized inside a virus infected cell
C)   both a and b
D)   neither a nor bE) A) and D)
F) C) and D)

Question 5

Which pair of scientists won a Nobel Prize for a method of making monoclonal antibodies?

Accepted Answer

A)   Guillemin and Schally
B)   Khorana and Nirenberg
C)   Milstein and Köhler
D)   Watson and CrickE) None of the above
F) All of the above

Question 6

Which of the following make HIV such a deadly and persistent virus?

Accepted Answer

A)   It attacks helper T cells.
B)   It is slow acting.
C)   both a and b
D)   neither a nor bE) A) and C)
F) None of the above

Question 7

Which of the following diseases have been largely eradicated by the use of vaccines?

Accepted Answer

A)   rubella
B)   polio
C)   smallpox
D)   All of these have been largely eradicated through the use of vaccines.
E)   None of these have been largely eradicated through the use of vaccines.F) C) and D)
G) A) and E)

Question 8

Secondary control on the proliferation of T cells is provided by which of the following?

Accepted Answer

A)   tyrosine kinase activation
B)   phosphatase deactivation
C)   both a and b
D)   neither a nor bE) None of the above
F) A) and B)

Question 9

What type of cells are produced when B cells are exposed to an antigen?

Accepted Answer

A)   helper T cells
B)   memory T cells
C)   NK cells
D)   plasma cellsE) B) and C)
F) None of the above

Question 10

How do NK cells and Tc cells kill invading viruses and bacteria?

Accepted Answer

A)   by engulfing and devouring them
B)   by injecting a chemical toxin
C)   as a result of crenation
D)   as a result of lysisE) A) and B)
F) C) and D)

Question 11

Which of the following are packed around the HIV genome?

Accepted Answer

A)   protease
B)   a virus-specific reverse transcriptase
C)   both a and b
D)   neither a nor bE) None of the above
F) B) and C)

Question 12

Which of the following immunoglobulin classes has the largest concentration in blood serum?

Accepted Answer

A)   IgA
B)   IgD
C)   IgG
D)   IgME) A) and B)
F) None of the above C

Question 13

HIV directly causes the death of which type of T cells?

Accepted Answer

A)   helper cells
B)   killer cells
C)   memory cells
D)   all of theseE) B) and C)
F) A) and D)

Question 14

Which of the following describes immunoglobulins?

Accepted Answer

A)   They all proteins containing only amino acids.
B)   They are all glycoproteins.
C)   They are all lipoproteins.
D)   Some immunoglobulins belong to each of the above categories.E) None of the above
F) B) and C)

Question 15

When T cells interact with an antigen, they differentiate into how many types?

Accepted Answer

A)   1
B)   2
C)   3
D)   4E) B) and C)
F) A) and D)

Question 16

Which of the following immunoglobulin classes has the largest molecular weight?

Accepted Answer

A)   IgA
B)   IgD
C)   IgE
D)   IgME) A) and C)
F) All of the above

Question 17

Which of the following correctly describes the interactions between antigens, class II MHC molecules and T cells?

Accepted Answer

A)   Antigens bound to class II MHC molecules and interact with helper T cells
B)   Antigens bound to class II MHC molecules and interact with killer T cells
C)   both a and b
D)   neither a nor bE) All of the above
F) A) and C)

Question 18

A typical person has approximately how many antibodies?

Accepted Answer

A)   1,000
B)   10,000
C)   100,000
D)   1,000,000E) All of the above
F) C) and D)

Question 19

Cytokines are which type of molecule?

Accepted Answer

A)   complex lipids
B)   glycoproteins
C)   lipoproteins
D)   simple proteinsE) A) and B)
F) B) and D) B

Question 20

Retrovaccination involves which of the following?

Accepted Answer

A)   vaccinating a person who already has a disease
B)   finding a vaccine which elicits an available antibody
C)   finding a vaccine against a specific antigen
D)   finding a vaccine specifically against retrovirusesE) B) and C)
F) A) and D) B

Exam 31: Immunochemistry

Where are B cells and T cells found?

Correct AnswerverifiedShow Answer

Which of the following is true of cytokines?

Correct AnswerverifiedShow Answer

The enzyme GILT acts on which of the following types of antigens?

Correct AnswerverifiedShow Answer

Class I MHC molecules do which if the following?

Correct AnswerverifiedShow Answer

Which pair of scientists won a Nobel Prize for a method of making monoclonal antibodies?

Correct AnswerverifiedShow Answer

Which of the following make HIV such a deadly and persistent virus?

Correct AnswerverifiedShow Answer

Which of the following diseases have been largely eradicated by the use of vaccines?

Correct AnswerverifiedShow Answer

Secondary control on the proliferation of T cells is provided by which of the following?

Correct AnswerverifiedShow Answer

What type of cells are produced when B cells are exposed to an antigen?

Correct AnswerverifiedShow Answer

How do NK cells and Tc cells kill invading viruses and bacteria?

Correct AnswerverifiedShow Answer

Which of the following are packed around the HIV genome?

Correct AnswerverifiedShow Answer

Which of the following immunoglobulin classes has the largest concentration in blood serum?

Correct AnswerverifiedC

HIV directly causes the death of which type of T cells?

Correct AnswerverifiedShow Answer

Which of the following describes immunoglobulins?

Correct AnswerverifiedShow Answer

When T cells interact with an antigen, they differentiate into how many types?

Correct AnswerverifiedShow Answer

Which of the following immunoglobulin classes has the largest molecular weight?

Correct AnswerverifiedShow Answer

Which of the following correctly describes the interactions between antigens, class II MHC molecules and T cells?

Correct AnswerverifiedShow Answer

A typical person has approximately how many antibodies?

Correct AnswerverifiedShow Answer

Cytokines are which type of molecule?

Correct AnswerverifiedB

Retrovaccination involves which of the following?

Correct AnswerverifiedB

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How do NK cells and T_c cells kill invading viruses and bacteria?

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C

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B

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B