Lymph fluid is:
Red, like blood
Formed when fluid is filtered across the subclavian veins into the tissue spaces
Formed from tissue fluid
Pumped by the left heart into systemic circulation
The Correct Answer is C
A. Red, like blood:
Lymph is typically clear to pale yellow; it lacks red blood cells, which give blood its red color.
B. Formed when fluid is filtered across the subclavian veins into the tissue spaces:
Lymph forms from interstitial (tissue) fluid, not from fluid filtered from veins into tissues.
C. Formed from tissue fluid:
Lymph originates as interstitial fluid that enters lymphatic vessels and is transported back into the circulatory system.
D. Pumped by the left heart into systemic circulation:
Lymph is not pumped by the heart; it moves through the lymphatic system via muscle contractions and valves.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Advising the patient to avoid all physical activity to prevent strain:
Complete avoidance of activity can lead to stiffness and muscle atrophy. Gentle activity is encouraged.
B. Encouraging the use of compression garments on the affected arm:
Compression garments help prevent or reduce lymphedema by promoting lymph drainage in the affected arm.
C. Instructing the patient to apply heat to the affected arm to reduce swelling:
Heat can exacerbate swelling and inflammation and should be avoided.
D. Recommending the patient to keep the arm elevated at all times:
While occasional elevation may help, constant elevation is impractical and unnecessary. It is not the primary prevention strategy.
Correct Answer is A
Explanation
A. Enlarged, painful cervical lymph nodes:
The cervical lymph nodes drain the area of the throat. Infection leads to inflammation and enlargement of these nodes.
B. Enlarged thymus gland:
The thymus is primarily active in children and does not respond to infections like lymph nodes do.
C. Enlarged inguinal lymph nodes:
Inguinal lymph nodes drain the lower extremities and genital area, not the throat.
D. Cervical lymph node cancer:
Cancer is not a typical complication of pharyngitis. Lymph node enlargement here is due to immune response, not malignancy.
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