Which immunoglobulin would the nurse explain as being primarily responsible for the passive immunity exhibited by newborns?
A) IgA
B) IgG
C) IgM
D) IgE
B
Response:
IgG is acquired transplacentally, providing the newborn with passive immunity to antigens to which the mother had developed antibodies. IgA, IgD, IgE, and IgM do not cross the placenta and require an antigenic challenge for production.
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A 68-year-old patient is scheduled for a bilateral mastectomy. The OR nurse has come out to the holding area to meet the patient and quickly realizes that the patient is profoundly anxious. What is the most appropriate intervention for the nurse to apply?
A) Reassure the patient that modern surgery is free of significant risks. B) Describe the surgery to the patient in as much detail as possible. C) Clearly explain any information that the patient seeks. D) Remind the patient that the anesthetic will render her unconscious.
A 40-year-old man newly diagnosed with hypertension is discussing risk factors with the nurse. The nurse talks about lifestyle changes with the patient and advises that the patient should avoid tobacco use
What is the rationale behind that advice to the patient? A) Smoking directly causes high blood pressure. B) Smoking increases the risk of heart disease. C) Smoking causes obesity, which exacerbates hypertension. D) Smoking increases cardiac output.
What is the purpose of a hypothesis for any study?
a. To identify the dependent and independent variables b. To provide direction for the study by indicating the expected outcomes c. To define the appropriate measures needed to test the research problem d. To provide a means of determining the feasibility of the proposed study
On her second postpartum day, a woman complains of cramping abdominal pains. What should the nurse tell her about these pains?
a. These pains are normal and persist for about 6 weeks. b. These contractions are usually relieved by breastfeeding. c. You are having uterine contractions that prevent bleeding. d. If you have been constipated, you may need a laxative.