Which of the following BEST describes the lymphatic vessels?
They are found only in lymph nodes
They have large pores and follow the venous pathway
They closely follow the path of the aorta
They are found only in the spleen
The Correct Answer is B
A. They are found only in lymph nodes
Lymphatic vessels are widespread throughout the body and not limited to lymph nodes.
B. They have large pores and follow the venous pathway
Lymphatic vessels have large, permeable walls and generally follow alongside veins, draining interstitial fluid back to circulation.
C. They closely follow the path of the aorta
Lymphatics follow venous, not arterial (aorta), pathways.
D. They are found only in the spleen
The lymphatic system is distributed systemically, not restricted to the spleen.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["B","D"]
Explanation
A. An increase in RBCs
Increased RBCs typically indicate polycythemia or hypoxia-not infection.
B. An increase in neutrophils (WBCs)
Neutrophils increase during bacterial infections as part of the body's defense.
C. Bradycardia
Infection generally causes tachycardia, not bradycardia.
D. Localized edema
Swelling or edema at the site is a common local sign of infection.
E. An increase in platelets
Platelets may vary for many reasons, but elevated levels are not a reliable indicator of infection.
Correct Answer is C
Explanation
A. The failure of the body to function normally
This is too general and applies to any illness, not specifically infection.
B. A diseased section of the body
This is vague and doesn’t identify causative factors like pathogens.
C. The invasion of the body by a pathogen and the subsequent symptoms in response to the invasion
This accurately defines infection as a host response to pathogen invasion.
D. The invasion of the body by a disease
Diseases don’t invade; pathogens do. This option is not scientifically accurate.
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