What are the formed elements?
Bone marrow and the thymus
Blood and lymph
Blood cells and platelets
Sodium and potassium
The Correct Answer is C
A. Bone marrow and the thymus: those are organs/tissues involved in blood cell production/maturation, not the formed elements themselves.
B. Blood and lymph: these are fluid compartments, not the formed cellular elements suspended in blood.
C. Blood cells and platelets: “formed elements” refers to erythrocytes, leukocytes, and platelets (the cellular/fragment components of blood).
D. Sodium and potassium: those are electrolytes/ions in plasma, not formed cellular elements.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is {"dropdown-group-1":"A"}
Explanation
Correct answer: Cervical lymph nodes
Cervical lymph nodes are located along the sides of the neck and drain the scalp, face, and structures of the head and neck; the lymph nodes indicated by the arrow in the neck region correspond to the cervical group.
Correct Answer is A
Explanation
A. AV node: The impulse travels from the SA node through atrial pathways to the AV node next—this is the normal sequence.
B. Bundle of His: Comes after the AV node, not immediately after the SA node.
C. Purkinje fibers: Terminal conduction fibers in the ventricles; far downstream from the SA node.
D. AV bundle: Another name for the Bundle of His, which still comes after the AV node.
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