The theory of aging that suggests the body becomes less able to recognize or tolerate the "self" is the:
a. free radical theory.
b. autoimmunity theory.
c. wear-and-tear theory.
d. biologic programming theory.
B
The autoimmunity theory holds that with aging the body becomes less able to recognize or tolerate the "self." As a result the immune system produces antibodies that act against the self.
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A patient comes into the clinic complaining of fatigue. Blood work shows an increased bilirubin concentration and an increased reticulocyte count. What would the nurse suspect the patient has?
A) A hypoproliferative anemia B) A leukemia C) Thrombocytopenia D) A hemolytic anemia
For a client who has aplastic anemia and has not responded to medical treatment, the client's BEST hope for recovery would be:
a. administration of antithymocyte globulin for 7 to 10 days b. bone marrow transplant c. transfusions of packed cells and platelets d. treatment with antibiotics
The nurse has written a nursing order that states: "Change dressing and irrigate wound with normal saline every 4 hours for 3 days." This would be considered as being what type of nursing order?
a. Health promotion c. Prevention b. Observation d. Treatment
Which of the following statements regarding thyroid disorders is true?
A. The presence of a "goiter" always indicates hypothyroidism. B. The effects of thyroid dysfunction are found in all body tissues and organs. C. The hormones synthesized by the thyroid gland are not essential for life. D. The effects of hypothyroidism are less serious than those of hyperthyroidism.