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
C
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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.
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A mother is distraught after learning that her son has Hirschsprung disease. She asks the nurse how she could have prevented this from occurring. Which response by the nurse is most appropriate?
A. "Did you use recreational drugs during pregnancy?" B. "How much alcohol did you consume while pregnant?" C. "Nothing; this disease seems to be familial in origin." D. "You probably did not get enough folic acid in your diet."
A client's medication contains 650 mg per ounce. 375 mg represents what percentage of this dosage?
A) 56.79 B) 57.69 C) 59.76 D) 65.79
A mother brings in her 2-year-old daughter to be evaluated for blood in her urine. The mother brings in a urine specimen that appears to have blood in it
When completing the admission assessment, the nurse notes that the patient was admitted as an observation patient two weeks ago with the same complaint, but all studies were negative. When the nurse questions the mother about the previous admission, the mother insists that her daughter's condition has remained unchanged. The nurse suspects which of the following disorders? 1. Urinary tract infection 2. Post-traumatic stress disorder 3. Munchausen syndrome by proxy 4. Schizoaffective disorder
A patient has done research on monoclonal antibodies on the Internet. Which statement indicates a correct understanding? Pure monoclonal antibodies are produced by:
a. T lymphocytes. b. bone marrow. c. laboratories. d. fetuses.