Question 1

Effector helper T cells release cytokines only when which of the following occur?

Accepted Answer

A)  The effector helper T cell binds to an antigen-presenting dendritic cell. 
B)  The effector helper T cell binds to a memory T cell. 
C)  The effector helper T cell binds to a complement protein. 
D)  The effector helper T cell binds to MHC-antigen complexes on B cells. 
E)  Any of these can stimulate cytokine production. 
A)  The effector helper T cell binds to an antigen-presenting dendritic cell. 
B)  The effector helper T cell binds to a memory T cell. 
C)  The effector helper T cell binds to a complement protein. 
D)  The effector helper T cell binds to MHC-antigen complexes on B cells. 
E)  Any of these can stimulate cytokine production.

Question 2

Antihistamines relieve allergy symptoms by

Accepted Answer

A)  inhibiting the release of histamines and cytokines. 
B)  binding directly to histamines. 
C)  destroying mast cells before they can produce histamines. 
D)  binding to the allergens. 
E)  stimulating effector T cells to produce more cytokines. 
A)  inhibiting the release of histamines and cytokines. 
B)  binding directly to histamines. 
C)  destroying mast cells before they can produce histamines. 
D)  binding to the allergens. 
E)  stimulating effector T cells to produce more cytokines.

Question 3

Gerard is a 10 year old boy in a family of five.To which member of his family would his MHC genes be the most the same?

Accepted Answer

A)  his father, Donn 
B)  his mother, Sabine 
C)  his sister, Eliza 
D)  his identical twin, Gerome 
E)  his identical twin, Gerome, and his sister, Eliza, would have MHC genes equally the same as Gerard's 
A)  his father, Donn 
B)  his mother, Sabine 
C)  his sister, Eliza 
D)  his identical twin, Gerome 
E)  his identical twin, Gerome, and his sister, Eliza, would have MHC genes equally the same as Gerard's

Question 4

Classification.The statements ask about immunity.For each statement,select the best choice from the following list.
-adaptive immunity involving B cells

Accepted Answer

A) innate immunity 
B) antibody-mediated immunity 
C) adaptive immunity 
D) cell-mediated immunity 
E) autoimmunity 
A) innate immunity 
B) antibody-mediated immunity 
C) adaptive immunity 
D) cell-mediated immunity 
E) autoimmunity

Question 5

Why do immunizations require two doses?

Accepted Answer

A)  The first dose stimulates the effector cells only, and the second dose stimulates the memory cells only. 
B)  The first dose stimulates the primary immune response, and the second dose stimulates the secondary immune response. 
C)  In case the first dose isn't enough to induce immunity, a second dose is given. 
D)  It is a way for doctors to make more money. 
E)  Both c and d are correct. 
A)  The first dose stimulates the effector cells only, and the second dose stimulates the memory cells only. 
B)  The first dose stimulates the primary immune response, and the second dose stimulates the secondary immune response. 
C)  In case the first dose isn't enough to induce immunity, a second dose is given. 
D)  It is a way for doctors to make more money. 
E)  Both c and d are correct.

Question 6

Match the white blood cell with its description.
-produces antibodies

Accepted Answer

A) macrophage 
B) neutrophil 
C) T lymphocyte 
D) B lymphocyte 
E) mast cell
F)dendritic cell 
A) macrophage 
B) neutrophil 
C) T lymphocyte 
D) B lymphocyte 
E) mast cell
F)dendritic cell

Question 7

Identify the site indicated by the arrow in the diagram.

Accepted Answer

A)  complement binding site of an antibody 
B)  antigen binding site of an antibody 
C)  MHC binding site of an antigen 
D)  complement binding site of T cell receptor 
E)  MHC binding site of a T cell receptor 
A)  complement binding site of an antibody 
B)  antigen binding site of an antibody 
C)  MHC binding site of an antigen 
D)  complement binding site of T cell receptor 
E)  MHC binding site of a T cell receptor

Question 8

In an antibody-mediated immune response,what do cytokines induce?

Accepted Answer

A)  mitosis 
B)  meiosis 
C)  DNA replication 
D)  protein synthesis 
E)  gene splicing 
A)  mitosis 
B)  meiosis 
C)  DNA replication 
D)  protein synthesis 
E)  gene splicing

Question 9

Activated complement proteins

Accepted Answer

A)  produce antigens. 
B)  destroy invading cells. 
C)  mark invading cells for phagocytosis. 
D)  bind to antibodies. 
E)  do more than one of these things. 
A)  produce antigens. 
B)  destroy invading cells. 
C)  mark invading cells for phagocytosis. 
D)  bind to antibodies. 
E)  do more than one of these things.

Question 10

____ have (has)a response time of about a week.

Accepted Answer

A)  Innate and adaptive immunities 
B)  Adaptive immunity 
C)  Innate immunity 
D)  Neither innate nor adaptive immunities 
E)  Complement immunity 
A)  Innate and adaptive immunities 
B)  Adaptive immunity 
C)  Innate immunity 
D)  Neither innate nor adaptive immunities 
E)  Complement immunity

Question 11

Brain damage or death can occur if the body's temperature reaches ___ Celsius.

Accepted Answer

A)  38 
B)  39 
C)  40 
D)  41 
E)  42 
A)  38 
B)  39 
C)  40 
D)  41 
E)  42

Question 12

Which of the following directly cause the brain's "thermostat" to raise the body's internal temperature set point?

Accepted Answer

A)  cytokines 
B)  histamines 
C)  prostaglandins 
D)  histamines and prostaglandins 
E)  complement proteins 
A)  cytokines 
B)  histamines 
C)  prostaglandins 
D)  histamines and prostaglandins 
E)  complement proteins

Effector helper T cells release cytokines only when which of the following occur?

Antihistamines relieve allergy symptoms by

Gerard is a 10 year old boy in a family of five.To which member of his family would his MHC genes be the most the same?

Classification.The statements ask about immunity.For each statement,select the best choice from the following list. -adaptive immunity involving B cells

Why do immunizations require two doses?

Match the white blood cell with its description. -produces antibodies

Identify the site indicated by the arrow in the diagram.

In an antibody-mediated immune response,what do cytokines induce?

Activated complement proteins

____ have (has)a response time of about a week.

Brain damage or death can occur if the body's temperature reaches ___ Celsius.

Which of the following directly cause the brain's "thermostat" to raise the body's internal temperature set point?

Invitation to Biology

Molecules of Life

Cell Structure

Energy and Metabolism

Capturing and Releasing Energy

DNA Structure and Function

Gene Expression and Control

How Cells Reproduce

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Early Life Forms and the Viruses

Plants and Fungi

Animal Evolution

Population Ecology

Communities and Ecosystems

The Biosphere and Human Effects

Animal Tissues and Organs

How Animals Move

Circulation and Respiration

Digestion and Excretion

Neural Control and the Senses

Endocrine Control

Reproduction and Development

Plant Form and Function

Plant Reproduction and Development

Filters

Exam 22: Immunity

Effector helper T cells release cytokines only when which of the following occur?

Antihistamines relieve allergy symptoms by

Gerard is a 10 year old boy in a family of five.To which member of his family would his MHC genes be the most the same?

Classification.The statements ask about immunity.For each statement,select the best choice from the following list. -adaptive immunity involving B cells

Why do immunizations require two doses?

Match the white blood cell with its description. -produces antibodies

Identify the site indicated by the arrow in the diagram.

In an antibody-mediated immune response,what do cytokines induce?

Activated complement proteins

____ have (has)a response time of about a week.

Brain damage or death can occur if the body's temperature reaches ___ Celsius.

Which of the following directly cause the brain's "thermostat" to raise the body's internal temperature set point?

Invitation to Biology

Molecules of Life

Cell Structure

Energy and Metabolism

Capturing and Releasing Energy

DNA Structure and Function

Gene Expression and Control

How Cells Reproduce

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Early Life Forms and the Viruses

Plants and Fungi

Animal Evolution

Population Ecology

Communities and Ecosystems

The Biosphere and Human Effects

Animal Tissues and Organs

How Animals Move

Circulation and Respiration

Digestion and Excretion

Neural Control and the Senses

Endocrine Control

Reproduction and Development

Plant Form and Function

Plant Reproduction and Development

Filters