PNB 2265 BLOOD 2026 QUESTIONS
AND ANSWERS | A+ GRADED | WITH
EXPERT SOLUTIONS
The major component of plasma is: - ANSWER-Water —
Plasma is >90% water.
Which plasma protein prevents swelling and maintains
osmolarity? - ANSWER-Albumin — Maintains colloid osmotic
pressure.
Which formed element is most abundant? - ANSWER-
Erythrocytes — RBCs make up ~99.9% of formed elements.
The "buffy coat" contains: - ANSWER-Leukocytes and platelets
— Layer between plasma and RBCs after centrifugation.
Hematocrit measures: - ANSWER-Percentage of RBC volume
in whole blood — Normal ≈45%.
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An increased MCV indicates: - ANSWER-Large RBCs
(macrocytic).
A low MCHC suggests: - ANSWER-Low hemoglobin
concentration inside RBCs.
A low platelet count (PLT) increases risk of: - ANSWER-Inability
to clot / bleeding.
A right shift of the Hb-O2 curve means: - ANSWER-Decreased
oxygen affinity and increased unloading.
Increased temperature causes what shift? - ANSWER-Right
shift — Promotes oxygen release.
The universal donor blood type is: - ANSWER-O negative —
No A, B, or Rh antigens.