What is the mechanism in type III hypersensitivity reactions?
a. Antibodies coat mast cells by binding to receptors that signal its degranulation followed by discharge of preformed mediators.
b. Antibodies bind to soluble antigens that were released into body fluids and the immune complexes are deposited in the tissues.
c. Cytotoxic T lymphocytes or lymphokine-producing Th1 cells attack and destroy cellular targets directly.
d. Antibodies bind to the antigen on the cell surface.
Ans: b. Antibodies bind to soluble antigens that were released into body fluids and the immune complexes are deposited in the tissues.
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Home health care is becoming one of the largest practice areas for nurses. What has contributed to this change?
A) Chronic nursing shortage B) Focus on treatment of disease C) Nurses prefer working during the day instead of evening or night shifts D) More critically ill patients being discharged to home from the hospital
The nurse is caring for a patient who will receive a caudal block. In which of the following surgeries would a caudal block be useful for pain control?
A) Thoracotomy B) Inguinal hernia repair C) Breast reduction D) Closed reduction of a right humerus
When describing the relapse cycle to a group of families of clients experiencing co-occurring disorders, which of the following would the nurse identify as occurring first?
A) Hospitalization B) Decompensation C) Stabilization D) Discharge
Where is the nucleus located?
a. Outside the cell b. In the center of the cell c. Inside the genes d. Inside the chromosomes