Question 1

Which statement is true about helper T cells?

Accepted Answer

A)  They are useful but are not essential to immune responses. 
B)  They do not play a role in antibody production. 
C)  They have highly specific receptors to antigens on their surface. 
D)  They prevent CD4 molecules from attaching to antigens. 
A)  They are useful but are not essential to immune responses. 
B)  They do not play a role in antibody production. 
C)  They have highly specific receptors to antigens on their surface. 
D)  They prevent CD4 molecules from attaching to antigens. C

Question 2

A nurse is reviewing the immune system with a group of nursing students. One student asks about the difference between cell-mediated immunity and humoral immunity. What should the nurse reply?

Accepted Answer

A)  "Humoral immunity does not involve helper T cells in the immune response." 
B)  "Humoral immunity does not have a role in hypersensitivity reactions." 
C)  "Humoral immunity requires cytolytic T cells that attack antigens directly." 
D)  "Humoral immunity uses cells produced by B lymphocytes in the immune response." 
A)  "Humoral immunity does not involve helper T cells in the immune response." 
B)  "Humoral immunity does not have a role in hypersensitivity reactions." 
C)  "Humoral immunity requires cytolytic T cells that attack antigens directly." 
D)  "Humoral immunity uses cells produced by B lymphocytes in the immune response." D

Question 3

A nurse is teaching a group of nursing students about antibodies. The nurse correctly explains that which type of response is triggered when antigens bind to antibodies on mast cells or basophils?

Accepted Answer

A)  Acquired immune response 
B)  Autoimmune response 
C)  Hypersensitivity reaction 
D)  Transplant rejection 
A)  Acquired immune response 
B)  Autoimmune response 
C)  Hypersensitivity reaction 
D)  Transplant rejection C

Question 4

A patient has a Type IV hypersensitivity (delayed-type hypersensitivity) response to an infection. The nurse understands that which two types of cells are necessary for this response?

Accepted Answer

A)  Antigen-presenting cells and mast cells 
B)  Cytolytic T lymphocytes and target cells 
C)  Immunoglobulin cells and dendritic cells 
D)  Infected macrophages and CD4 helper T cells 
A)  Antigen-presenting cells and mast cells 
B)  Cytolytic T lymphocytes and target cells 
C)  Immunoglobulin cells and dendritic cells 
D)  Infected macrophages and CD4 helper T cells

Question 5

A patient who breast-feeds her infant asks the nurse about the immunity the infant receives from breast milk. What does the nurse tell the patient about immunity through breast-feeding?

Accepted Answer

A)  "The immunity protects the infant from hypersensitivity reactions." 
B)  "The immunity provides phagocytes to help the infant fight infections." 
C)  "The immunity results from the transfer of IgA through the breast milk." 
D)  "The immunity protects the infant from respiratory and gastrointestinal (GI) microbes." 
A)  "The immunity protects the infant from hypersensitivity reactions." 
B)  "The immunity provides phagocytes to help the infant fight infections." 
C)  "The immunity results from the transfer of IgA through the breast milk." 
D)  "The immunity protects the infant from respiratory and gastrointestinal (GI) microbes."

Question 6

A nurse is caring for a patient who has undergone organ transplantation. Because the sequence of amino acids in the major histocompatibility complex (MHC) molecules of the donor is different from that of the patient, the nurse will expect to administer which class of drugs?

Accepted Answer

A)  Antibiotics 
B)  Antihistamines 
C)  Immune globulins 
D)  Immunosuppressants 
A)  Antibiotics 
B)  Antihistamines 
C)  Immune globulins 
D)  Immunosuppressants

Question 7

A nurse is teaching a group of nursing students about immunoglobulins. Which statement by a student indicates a need for further teaching?

Accepted Answer

A)  "IgD provides a first line of defense against microbes entering the body through the lungs." 
B)  "IgE plays a role in hypersensitivity reactions and responses to parasites." 
C)  "IgG and IgM participate in the complement response to promote target cell lysis." 
D)  "Neonatal immunity is the result of IgG crossing the placenta." 
A)  "IgD provides a first line of defense against microbes entering the body through the lungs." 
B)  "IgE plays a role in hypersensitivity reactions and responses to parasites." 
C)  "IgG and IgM participate in the complement response to promote target cell lysis." 
D)  "Neonatal immunity is the result of IgG crossing the placenta."

Question 8

Which immune responses can result in harm to the body?

Accepted Answer

A)  Activation of the complement system 
B)  Autoimmune response 
C)  IgE binding to mast cells and basophils 
D)  Opsonization 
E)  Recognition of MHC molecules as nonself 
A)  Activation of the complement system 
B)  Autoimmune response 
C)  IgE binding to mast cells and basophils 
D)  Opsonization 
E)  Recognition of MHC molecules as nonself

Question 9

A nurse is teaching a nursing student about a specific acquired immunity system. Which statement by the student indicates a need for further teaching?

Accepted Answer

A)  "Cell-mediated immunity and humoral immunity are both types of specific acquired immune responses." 
B)  "Each exposure to an antigen causes a faster, more intense response." 
C)  "Immune responses occur only after exposure to a foreign substance." 
D)  "The skin is a factor in specific acquired immunity." 
A)  "Cell-mediated immunity and humoral immunity are both types of specific acquired immune responses." 
B)  "Each exposure to an antigen causes a faster, more intense response." 
C)  "Immune responses occur only after exposure to a foreign substance." 
D)  "The skin is a factor in specific acquired immunity."

Question 10

A nurse is discussing the role of antibodies in the complement system with a group of nursing students. Which statement by a student is correct?

Accepted Answer

A)  "Antibodies activate the complement cascade by turning on the alternative pathway." 
B)  "Antibodies that are free in solution can activate the complement system." 
C)  "Antibodies flag target cells to be lysed by membrane attack complexes." 
D)  "Antibody receptors are nonspecific to antigenic determinants." 
A)  "Antibodies activate the complement cascade by turning on the alternative pathway." 
B)  "Antibodies that are free in solution can activate the complement system." 
C)  "Antibodies flag target cells to be lysed by membrane attack complexes." 
D)  "Antibody receptors are nonspecific to antigenic determinants."

Question 11

A nurse is caring for a patient infected with the human immunodeficiency virus (HIV). Which finding would most concern the nurse?

Accepted Answer

A)  High level of macrophages 
B)  Low neutrophil count 
C)  Low red blood cell (RB
C)  count 
D)  Very low helper T lymphocyte count 
A)  High level of macrophages 
B)  Low neutrophil count 
C)  Low red blood cell (RB
C)  count 
D)  Very low helper T lymphocyte count

Exam 67: Review of the Immune System

Which statement is true about helper T cells?

A nurse is reviewing the immune system with a group of nursing students. One student asks about the difference between cell-mediated immunity and humoral immunity. What should the nurse reply?

A nurse is teaching a group of nursing students about antibodies. The nurse correctly explains that which type of response is triggered when antigens bind to antibodies on mast cells or basophils?

A patient has a Type IV hypersensitivity (delayed-type hypersensitivity) response to an infection. The nurse understands that which two types of cells are necessary for this response?

A patient who breast-feeds her infant asks the nurse about the immunity the infant receives from breast milk. What does the nurse tell the patient about immunity through breast-feeding?

A nurse is caring for a patient who has undergone organ transplantation. Because the sequence of amino acids in the major histocompatibility complex (MHC) molecules of the donor is different from that of the patient, the nurse will expect to administer which class of drugs?

A nurse is teaching a group of nursing students about immunoglobulins. Which statement by a student indicates a need for further teaching?

Which immune responses can result in harm to the body?

A nurse is teaching a nursing student about a specific acquired immunity system. Which statement by the student indicates a need for further teaching?

A nurse is discussing the role of antibodies in the complement system with a group of nursing students. Which statement by a student is correct?

A nurse is caring for a patient infected with the human immunodeficiency virus (HIV). Which finding would most concern the nurse?

Orientation to Pharmacology

Application of Pharmacology in Nursing Practice

Drug Regulation, Development, Names, and Information

Pharmacokinetics

Pharmacodynamics

Drug Interactions

Adverse Drug Reactions and Medication Errors

Individual Variation in Drug Responses

Drug Therapy During Pregnancy and Breast-Feeding

Drug Therapy in Pediatric Patients

Drug Therapy in Geriatric Patients

Basic Principles of Neuropharmacology

Physiology of the Peripheral Nervous System

Muscarinic Agonists and Antagonists

Cholinesterase Inhibitors and Their Use in Myasthenia Gravis

Drugs That Block Nicotinic Cholinergic Transmission: Neuromuscular Blocking Agents

Adrenergic Agonists

Adrenergic Antagonists

Indirect-Acting Antiadrenergic Agents

Introduction to Central Nervous System Pharmacology

Drugs for Parkinson Disease

Drugs for Alzheimers Disease

Drugs for Multiple Sclerosis

Drugs for Seizure Disorders

Drugs for Muscle Spasm and Spasticity

Local Anesthetics

General Anesthetics

Opioid Analgesics, Opioid Antagonists, and Nonopioid Centrally Acting Analgesics

Pain Management in Patients With Cancer

Drugs for Headache

Antipsychotic Agents and Their Use in Schizophrenia

Antidepressants

Drugs for Bipolar Disorder

Sedative-Hypnotic Drugs

Management of Anxiety Disorders

Central Nervous System Stimulants and Attention-Deficithyperactivity Disorder

Drug Abuse I: Basic Considerations

Drug Abuse II: Alcohol

Drug Abuse III: Nicotine and Smoking

Drug Abuse IV: Major Drugs of Abuse Other Than Alcohol and Nicotine

Diuretics

Agents Affecting the Volume and Ion Content of Body Fluids

Review of Hemodynamics

Drugs Acting on the Renin-Angiotensin-Aldosterone System

Calcium Channel Blockers

Vasodilators

Drugs for Hypertension

Drugs for Heart Failure

Antidysrhythmic Drugs

Prophylaxis of Atherosclerotic Cardiovascular Disease: Drugs That Help Normalize Cholesterol and Triglyceride Levels

Drugs for Angina Pectoris

Anticoagulant, Antiplatelet, and Thrombolytic Drugs

Management of St-Elevation Myocardial Infarction

Drugs for Hemophilia

Drugs for Deficiency Anemias

Hematopoietic Agents

Drugs for Diabetes Mellitus

Drugs for Thyroid Disorders

Drugs Related to Hypothalamic and Pituitary Function

Drugs for Disorders of the Adrenal Cortex

Estrogens and Progestins: Basic Pharmacology and Noncontraceptive Applications

Birth Control

Drug Therapy of Infertility

Drugs That Affect Uterine Function

Androgens

Drugs for Erectile Dysfunction and Benign Prostatic Hyperplasia

Childhood Immunization

Immunosuppressants