A nurse is caring for a client who has a femur fracture. The nurse suspects that the client has fat embolism syndrome. Which of the following findings should the nurse identify as an early manifestation of fat embolism syndrome?
Hypoxemia
Headache
Petechiae
Precordial chest pain
The Correct Answer is A
A. Hypoxemia is an early sign of fat embolism syndrome due to the presence of fat globules in the pulmonary circulation.
B. Headache can be associated with hypoxemia but is not as specific or immediate as hypoxemia itself.
C. Petechiae, while a classic sign, usually appear later in the progression of fat embolism syndrome.
D. Precordial chest pain may occur but is not typically the first sign; hypoxemia is usually noted first.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Restlessness may indicate incomplete recovery or inadequate sedation reversal.
B. A brisk response to stimulus suggests the client is still in a mildly sedated state and not fully recovered.
C. A sluggish response to stimulus also indicates the client is not yet fully alert and oriented.
D. The client being cooperative and oriented is an indication of full consciousness and recovery from sedation, meeting discharge criteria.
Correct Answer is A
Explanation
A. Antibody-mediated immunity (AMI) is primarily the result of antibodies produced by B-lymphocytes in response to antigens. This immune response is essential for protecting the body against pathogens and is particularly important in transfusion reactions.
B. While AMI is crucial in defending against various infections, it is not limited to viral infections; it also plays a significant role in protecting against bacterial infections and other types of pathogens.
C. The humoral immune response is mediated by B-lymphocytes, while T-lymphocytes are primarily involved in cell-mediated immunity, which targets infected cells and regulates immune responses.
D. Phagocytic cells, such as macrophages and neutrophils, are involved in the innate immune response, not directly in antibody-mediated immunity. Natural killer (NK) cells are part of the innate immune system and target virus-infected cells and tumors, but they do not mediate AMI.
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