Localized hypoxia occurs in rheumatoid arthritis because of:
Joint immobilization
Vasculitis
Blockage of veins resulting in decrease oxygen delivery
Release of synovial enzymes
The Correct Answer is B
A. Joint immobilization may contribute to overall dysfunction but is not the primary cause of localized hypoxia in rheumatoid arthritis.
B. Vasculitis, or inflammation of blood vessels, can lead to localized hypoxia by reducing blood flow to affected areas, contributing to tissue damage in rheumatoid arthritis.
C. While blockage of veins can contribute to localized hypoxia, it is more related to vasculitis in this condition.
D. The release of synovial enzymes may contribute to joint damage but does not directly cause localized hypoxia.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Application of hot packs is not recommended immediately after a sprain; cold therapy is preferred to reduce swelling and pain.
B. Aspiration of fluid accumulation may be indicated in certain cases but is not part of initial management for sprains.
C. The R.I.C.E. (Rest, Ice, Compression, Elevation) method includes the use of compression wraps to help control swelling and provide support to the affected area.
D. Application of a cast is typically reserved for more severe injuries or fractures, not initial management for a sprain.
Correct Answer is B
Explanation
A. The prodrome phase occurs before the onset of jaundice and includes nonspecific symptoms like fatigue and malaise, which the patient has already progressed beyond.
B. The icterus phase is characterized by jaundice, dark urine, clay-colored stools, and liver enlargement, all of which are present in this patient's symptoms.
C. The recovery phase follows the icterus phase and involves the resolution of symptoms and jaundice.
D. The incubation phase occurs before symptoms appear, and the patient is already exhibiting clear clinical manifestations.
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