Question 1

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

Accepted Answer

A)  IgA 
B)  IgD 
C)  IgG 
D)  IgM 
A)  IgA 
B)  IgD 
C)  IgG 
D)  IgM C

Question 2

Cytokines are which type of molecule?

Accepted Answer

A)  complex lipids 
B)  glycoproteins 
C)  lipoproteins 
D)  simple proteins 
A)  complex lipids 
B)  glycoproteins 
C)  lipoproteins 
D)  simple proteins B

Question 3

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 retroviruses 
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 retroviruses B

Question 4

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 b 
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 b

Question 5

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 b 
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 b

Question 6

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

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
A)  1 
B)  2 
C)  3 
D)  4

Question 7

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 b 
A)  It attacks helper T cells. 
B)  It is slow acting. 
C)  both a and b 
D)  neither a nor b

Question 8

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 blood 
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 blood

Question 9

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 Crick 
A)  Guillemin and Schally 
B)  Khorana and Nirenberg 
C)  Milstein and Köhler 
D)  Watson and Crick

Question 10

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 b 
A)  tyrosine kinase activation 
B)  phosphatase deactivation 
C)  both a and b 
D)  neither a nor b

Question 11

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. 
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.

Question 12

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. 
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.

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 these 
A)  helper cells 
B)  killer cells 
C)  memory cells 
D)  all of these

Question 14

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

Accepted Answer

A)  nucleic acids 
B)  polysaccharides 
C)  proteins 
D)  all of these 
A)  nucleic acids 
B)  polysaccharides 
C)  proteins 
D)  all of these

Question 15

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

Accepted Answer

A)  IgA 
B)  IgD 
C)  IgE 
D)  IgM 
A)  IgA 
B)  IgD 
C)  IgE 
D)  IgM

Question 16

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

Question 17

A typical person has approximately how many antibodies?

Accepted Answer

A)  1,000 
B)  10,000 
C)  100,000 
D)  1,000,000 
A)  1,000 
B)  10,000 
C)  100,000 
D)  1,000,000

Question 18

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 b 
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 b

Question 19

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 cells 
A)  helper T cells 
B)  memory T cells 
C)  NK cells 
D)  plasma cells

Question 20

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 b 
A)  protease 
B)  a virus-specific reverse transcriptase 
C)  both a and b 
D)  neither a nor b

Exam 31: Immunochemistry

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

Cytokines are which type of molecule?

Retrovaccination involves which of the following?

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

Which of the following is true of cytokines?

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

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

Where are B cells and T cells found?

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

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

Which of the following describes immunoglobulins?

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

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

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

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

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

A typical person has approximately how many antibodies?

Class I MHC molecules do which if the following?

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

Which of the following are packed around the HIV genome?

Matter, Energy, and Measurement

Atoms

Chemical Bonds

Chemical Reactions

Gases, Liquids, and Solids

Solutions and Colloids

Reaction Rates and Chemical Equilibrium

Acids and Bases

Nuclear Chemistry

Organic Chemistry

Alkanes

Alkenes and Alkynes

Benzene and Its Derivatives

Alcohols, Ethers, and Thiols

Chirality: the Handedness of Molecules

Amines

Aldehydes and Ketones

Carboxylic Acids

Carboxylic Anhydrides, Esters, and Amides

Carbohydrates

Lipids

Proteins

Enzymes

Chemical Communications: Neurotransmitters and Hormones

Nucleotides, Nucleic Acids, and Heredity

Gene Expression and Protein Synthesis

Bioenergetics: How the Body Converts Food to Energy

Specific Catabolic Pathways: Carbohydrate, Lipid, and Protein Metabolism

Biosynthetic Pathways

Nutrition

Body Fluids

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