Nokea
The nurse is caring for a client with a suspected immune system disorder. What test would be ordered if a deficiency or excess of immunoglobulins was suspected?
- A. Protein electrophoresis
- B. Enzyme-linked immunosorbent assay
- C. T-cell and B-cell assays
- D. Plasmapheresis
Correct Answer: A
Rationale: When an immune system disorder is suspected, protein electrophoresis screens for diseases associated with a deficiency or excess of immunoglobulins may be ordered. The other options are incorrect tests to diagnose a deficiency or excess of immunoglobulins.
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The nurse has several clients scheduled for annual wellness examinations throughout the day. For which client should the nurse prepare the shingles vaccine?
- A. A 24-year-old client who is pregnant
- B. A 32-year-old client who has never had chickenpox
- C. A 65-year-old client who had chicken pox at the age of 12
- D. A 17-year-old client who will be attending college and living in a dormitory
Correct Answer: C
Rationale: The Centers for Disease Control and Prevention recommends annual seasonal influenza vaccine and pneumococcal polysaccharide vaccine (PPSV23; Pneumovax) for all adults 65 years or older or those who are at high risk, and the shingles vaccine (Zostavax) for all individuals who are over the age of 50. Based on this information, the nurse prepares to administer the shingles vaccine to the client who is 65 years of age. The other clients are not eligible to receive this vaccine until the age of 50 years.
What type of immunoglobulin does the nurse recognize that promotes the release of vasoactive chemicals such as histamine when a client is having an allergic reaction?
- A. IgG
- B. IgA
- C. IgM
- D. IgE
Correct Answer: D
Rationale: IgE promotes the release of vasoactive chemicals such as histamine and bradykinin in allergic, hypersensitivity, and inflammatory reactions. IgG neutralizes bacterial toxins and accelerates phagocytosis. IgA interferes with the entry of pathogens through exposed structures or pathways. IgM agglutinates antigens and lyses cell walls.
Why would it be important for the nurse to question the client about sexual practices, history of substance use disorder, and lifestyle during the interview process?
- A. To find out if the client will be compliant with therapeutic treatments
- B. To determine if the client has practices that are risk factors for acquired immunodeficiency syndrome (AIDS)
- C. To determine if the client needs a referral to counseling services
- D. To determine what type of personality the client has
Correct Answer: B
Rationale: The nurse investigates the client's allergy history and asks about practices that put the client at risk for AIDS. The interview will not determine the client's ability to be compliant. The physician would make the determination if a counseling referral should be made. It is irrelevant to determine the personality traits in the initial interview.
A client has had a kidney transplant performed for end-stage kidney disease. What type of immune response that T-cell lymphocytes perform is related to this type of surgery?
- A. Activation of the complement system
- B. Stimulation of colony-stimulating factors
- C. A cell-mediated response
- D. Naturally acquired active immunity
Correct Answer: C
Rationale: A cell-mediated response occurs when T cells survey proteins in the body, actively analyze the surface features, and respond to those that differ from the host by directly attacking the invading antigen. An example of a cell-mediated response is one that occurs when an organ is transplanted. The complement system cooperates with antibodies to attract phagocytes and coat antigens to make them more recognizable for phagocytosis and stimulate inflammation and is not related to the surgery. Colony-stimulating factors prompt the bone marrow to produce, mature, and promote the functions of blood cells. Naturally acquired active immunity is a direct result of infection by a specific microorganism.
The nursing students are learning about the immune system in their anatomy and physiology class. What would these students learn is a component of the immune system?
- A. Stem cells
- B. Cytokines
- C. Lymphoid tissues
- D. Red blood cells
Correct Answer: C
Rationale: The immune system actually is a collection of specialized white blood cells and lymphoid tissues that cooperate to protect a person from external invaders and the body's own altered cells. The function of these structures is assisted and supported by the activities of natural killer cells, antibodies, and nonantibody proteins such as cytokines and the complement system. Red blood cells and stem cells are not part of the immune system.