Plasma proteins contribute to the
pressure of the blood.
osmotic
filtration
central venous
hydrostatic
The Correct Answer is B
A. pressure of the blood: Not primarily—systemic blood pressure is mainly from cardiac output and vascular resistance; proteins contribute minimally.
B. osmotic: Plasma proteins (especially albumin) generate colloid osmotic/oncotic pressure that pulls fluid into capillaries.
C. filtration: They oppose filtration by favoring reabsorption (their oncotic pull counters hydrostatic push).
D. central venous: CVP reflects blood volume, venous tone, and right heart function, not plasma protein levels directly.
E. hydrostatic: Hydrostatic pressure is due to fluid column and pumping; proteins affect oncotic, not hydrostatic, pressure.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. QRS complex: The QRS represents the rapid depolarization of the right and left ventricles (electrical activity that triggers ventricular contraction).
B. T wave: The T wave represents ventricular repolarization (the ventricles recovering electrically), not depolarization.
C. P wave: The P wave represents atrial depolarization, the electrical activation of the atria.
D. PQ segment: The PQ (PR) segment is the brief isoelectric period while the impulse travels through the AV node/AV bundle (a conduction delay), not ventricular depolarization.
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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