A student asks about the mechanism that results in type II hypersensitivity reactions. What description by the professor is best?
a. Antibodies coat mast cells by binding to receptors that signal its degranulation, followed by a discharge of preformed mediators.
b. Antibodies bind to soluble antigens that were released into body fluids, and the immune complexes are then deposited in the tissues.
c. Cytotoxic T lymphocytes or lymphokine-producing helper T 1 cells directly attack and destroy cellular targets.
d. Antibodies bind to the antigens on the cell surface.
Ans: d. Antibodies bind to the antigens on the cell surface.
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A pregnant woman enjoys exercising at a local health spa once a week. Which of the following comments would lead you to believe she needs additional health teaching?
A) "I limit exercising to low-impact aerobics." B) "Nothing feels nicer than a hot sauna after exercise." C) "I'm learning to play table tennis." D) "The gym gets hot and stuffy by midmorning."
While obtaining a patient health history, a nurse recognizes that the personal space-distance zone that he or she is in when standing within 3 feet of the patient is
1. Public. 2. Intimate. 3. Casual-personal. 4. Social-consultative.
The laboring patient's fetal heart rate baseline is 120 beats per minute. Accelerations are present to 135 beats/min. During contractions, the fetal heart rate gradually slows to 110, and is at 120 by the end of the contraction
What nursing action is best? 1. Document the fetal heart rate. 2. Apply oxygen via mask at 10 liters. 3. Prepare for imminent delivery. 4. Assist the patient into Fowler's position.
A client with mental illness has been the victim of apparent discrimination by the co-operative board of the building where he has lived for several years
The client's social worker believes that the matter can likely be resolved without legal action and has made contact with the board chairperson. In what role is the client's social worker functioning? A) Counselor B) Teacher C) Enabler D) Social broker/advocate