Biliverdin and bilirubin are pigments that result from the breakdown of
leukocytes
hemoglobin
foreign pathogens
erythropoietin
The Correct Answer is B
A. Leukocytes: leukocytes are white blood cells; their breakdown does not produce biliverdin/bilirubin.
B. Hemoglobin: the heme portion of hemoglobin is degraded to biliverdin and then bilirubin (these are heme-breakdown pigments).
C. Foreign pathogens: pathogen breakdown is not the source of these pigments.
D. Erythropoietin: erythropoietin is a hormone that stimulates RBC production; it is not broken down into biliverdin/bilirubin.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is {"dropdown-group-1":"C"}
Explanation
A. Glottal: The glottis refers to the vocal apparatus/opening, not a cartilage
B. Tracheal: Tracheal cartilage are rings of the trachea, not one of the three major laryngeal cartilages
C. Epiglottal: The epiglottic (epiglottal) cartilage forms the epiglottis, and along with thyroid and cricoid cartilages is considered a major laryngeal cartilage -correct (choice corresponds to epiglottic cartilage).
D. Hyoidal: The hyoid is a bone (not one of the larynx’s three major cartilages) that supports the larynx
Correct Answer is C
Explanation
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.
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