Question

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the qu 1) Normally, the amount of plasma in whole blood is than the amount of formed elements: 1) C plasma makes up approximately percent of whole blood A) greater; 65 B) less; 45 @ greater; 55 D) less; 30 2) The most numerous blood cells are 2) 8 red blood cells B) lymphocytes C) neutrophils D) monocytes 3) Granulocytes include 3) A) eosinophils, monocytes, neutrophils C) eosinophils, monocytes, basophils B) neutrophils, monocytes, basophils neutrophils, eosinophils, basophils 4) These are the most abundant leukocytes, constituting 40-70% of all white blood cells. A) lymphocytes B) basophils C) eosinophils D) monocytes neutrophils 5) 5) This formed element is essential for blood clotting. A) eosinophils B) salts O platelets D) red blood cells 6) 6) The hematocrit measures B) the number of RBC/mm3 of blood A) the volume of WBC in a blood sample C) the number of WBC/mm3 of blood the volume of RBC in a blood sample 7) A blood test reveals a large increase in the number of RBCs. One possible explanation for this may 7) be B) anemia a polycythemia D) leukemia A) leukocytosis 8 8) You performed a blood typing activity as described in the lab manual. You observed agglutination (clumping) with anti-B and anti-Rh serum. Based on the test results you can conclude that the blood type you tested was A) A+ 9) A patient reports to the doctor that she bruises very easily, and when she cuts herself, she has a 9)A hard time stopping the bieeding. What test might a health care provider order to help diagnose this problem? coagulation time C) blood typing B) hematocrit D) plasma cholesterol concentration 10)2 m1o.omm3 of blood. C) 500, 2000 10) The total white blood cell count ranges from to 4800, 10,800 A) 7200, 16,000 B) 2400, 5000

Answer 1

Answer 1: (C) greater; 55

( About 55% of blood is blood plasma, the blood plasma volume is about 2.7 litre to 3 litres.)

Answer 2: (A) Red blood cells

(Adult humans have approximately 20–30 trillion red blood cells)

Answer 3: (D) Neutrophils, basophil, eosnophils.

( These are components of white blood cells which are produced and mature in the bone marrow)

Answer 4: (E) Neutrophils

( This is found most abundantly)

Answer 5: ( C) Platelet

( Platelets are responsible for the blood clots)

Answer 6: (D) The volume of RBC in blood samples.