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 D
Explanation
A. The fecal-oral route is associated with gastrointestinal viruses, not respiratory infections like influenza.
B. While influenza can spread through airborne transmission, it primarily spreads via respiratory droplets, which are larger and do not remain suspended in the air for long distances.
C. Direct contact can also transmit the virus, but it is less common compared to the droplet route.
D. Respiratory droplets are the primary mode of transmission for influenza, occurring when an infected person coughs or sneezes, releasing droplets that can be inhaled by others nearby.
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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