The primary organ of the lymphatic system is the
thalamus.
thyroid.
thymus.
spleen.
The Correct Answer is C
A. thalamus: This is a structure in the brain that acts as a relay station for sensory information.
B. thyroid: This is an endocrine gland in the neck that regulates metabolism.
C. thymus: The thymus is considered a primary lymphoid organ because it is the site where T-lymphocytes (T cells) mature and become immunocompetent.
D. spleen: The spleen is a secondary lymphoid organ; it filters blood but is not where lymphocytes are "born" or matured.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. kyphosis: Kyphosis is an exaggerated outward (posterior) curvature of the thoracic spine, often called "hunchback."
B. scoliosis: Scoliosis is an abnormal lateral (side-to-side) curvature of the spine.
C. Scheuermann disease: While this disease causes kyphosis in adolescents, the question asks for the name of the condition of the curvature itself.
D. lordosis: Lordosis is an exaggerated inward (anterior) curvature, typically found in the lumbar or cervical spine ("swayback").
Correct Answer is D
Explanation
A. no movement of water or glucose: At dynamic equilibrium, movement does not stop; rather, it happens at equal rates in both directions.
B. movement of glucose but not water: If the membrane is permeable to both, both will move to equalize concentrations.
C. movement of water but not glucose: If the membrane is permeable to both, both will move to equalize concentrations.
D. an even exchange of material: Particles continue to cross the membrane, but there is no net change in concentration because the rate of movement is equal in both directions.
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