NURSING PHARMACOLOGY NCLEX EXAM QUIZ #2 LATEST EXAM WITH 50 Q&A’S WITH RATIONALES (GUARANTEED PASS) | RATED A+

NURSING PHARMACOLOGY NCLEX EXAM QUIZ #2 LATEST EXAM WITH 50 Q&A’S WITH RATIONALES (GUARANTEED PASS) | RATED A+

NURSING PHARMACOLOGY NCLEX EXAM QUIZ #2 LATEST
1. Chris asks the nurse whether all donor blood products are cross-matched with the recipient to
prevent a transfusion reaction. Which of the following always require cross-matching?
ï‚· A. Granulocytes
ï‚· B. Platelets
ï‚· C. Plasma
ï‚· D. Packed red blood cells
Correct Answer: D. Packed red blood cells.
Red blood cells contain antigens and antibodies that must be matched between donor and
recipient. The blood products in options 2-4 do not contain red cells. Thus, they require no crossmatch. The hemoglobin in red blood cells binds oxygen and is the main source of oxygen
delivery in the body. A single unit of packed red blood cells is roughly 350 mL in volume and
contains about 250 mg of iron.
ï‚· Option A: Neutrophils, basophils, and eosinophils are all granulocytes. These
cells also all have azurophilic granules (lysosomes) and specific granules that
contain substances unique to each cell’s function. Histologically, granulocytes can
be distinguished from one another by the morphology of their nucleus, their size,
and how their granules stain.
ï‚· Option B: Platelets maintain hemostasis by adhering to the vascular endothelium,
aggregating with other platelets, and initiating the coagulation cascade, leading to
the production of a fibrin mesh, which effectively prevents significant blood loss.
ï‚· Option C: Plasma, also known as blood plasma, appears light-yellowish or strawcolored. It serves as the liquid base for whole blood. Whole blood minus
erythrocytes (RBCs), leukocytes (WBCs), and thrombocytes (platelets) make up
the plasma. Serum, sometimes mistakenly considered synonymous with plasma,
consists of plasma without fibrinogen. Plasma contains 91% to 92% of water and
8% to 9% of solids. 

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