Funds CH 41
c
How can the WBC count be estimated when performing the microhematocrit test? a. cannot be estimated b. measured at the bottom of the tube c. measure buffy coat thickness d. by the amount of plasma and platelets
a
Leukocytes provide specific disease fighting functions in the blood. Which one of the following is not one of them? --***Cuagulation
b, d, a, c
Match the definition with the appropriate term. 27. anisocytosis 28. hypochromic 29. poikilocytosis 30. normochromatic a. cells shows marked variation in shape. b. cells show marked variation in size. c. cells have proper amount of hemoglobin. d. cells have large, pale central area.
b
Oxygenated hemoglobin is what color? a. dark red b. bright red c. blue d. yellow
b
Platelets or thrombocytes are involved in doing what in the blood? a. fighting infection b. coagulation c. carry's oxygen d. all the above
d
WBCs are divided into two basic groups known as what? a. granulocytes and cytoplasm b. polymorphonuclear apolymorphonuclear c. mononuclear and agranulocytes d. granulocytes and agranulocytes
b
What type of blood is used for the microhematocrit test? a. arterial b. capillary c. capillary and arterial d. none of the above
b
When placing the sealed tubes into the microhematocrit centrifuge, what must be done before closing the lid? a. place tubes in slots next to each other. b. place tubes opposite each other, balancing each other across the centrifuge. c. determine the average values. d. set the timer and adjust the speed
d
When the "sed rate" increase, it detects what type of disease/condition? a. inflammation disease b. acute stress c. lupus d. all the above
d
Which of the following best defines hematology? a. study of blood chemistry b. study of blood proteins c. study of blood plasma d. study of blood cells
a
Which of the following best describes erythrocyte indices? a. calculations that provide size and hemoglobin content of RBCs. b. provides information for hematocrit c. allow for calculations of oxygen in hemoglobin d. abbreviated MCV, MCA, and MCC
c
Which of the following blood cells is not a granulocyte? a. eosinophil b. neutrophil c. lymphocyte d. basophil
b
Which of the following is not a cellular component of the blood? a. RBC b. buffy coat c. WBC d. platelet
c
Which of the following is not generally included in the complete blood count (CBC)? a. hemoglobin determination b. hematocrit determination c. erythrocyte sedimentation rate d. red blood cell (RBC) count
c
Which of the following is required for the synthesis of the heme portion of the hemoglobin molecule? a. calcium b. phosphorus c. iron d. carbon dioxide
c
Which of the following is the most numerous of the white blood cells? a. monocytes b. lymphocytes c. neutrophils d. eosinophils
d
Which of the following is the normal range of values for the hematocrit of the adult male? a. 36-46% b. 30-40% c. 40-45% d. 40-55%
c
Which of the following is the normal value for a platelet count? a. 20,000-50,000 b. 50,000-100,000 c. 140,000-400,000 d. 400,000-600,000
a
Which of the following is the reference range of a leukocyte count for adults? a. 4,500-11,000 b. 5,00-12,000 c. 6,000-14,000 d. 10,000-30,000
b
Which of the following statements is true about performing an accurate "sed rate" procedure? a. tube must be read at exactly two hours. b. counter must be free of vibrations. c. test should be set up within three hours d. test is conducted at 50 degrees.
a
which of the following best describes a hematocrit test? a. ratio of the volumne of packed red blood cells b. requires large amount of blood c. measures the total volumne of WBC's d. requires filling one capillary tube
d
which of the following is a true statement regarding immunity? a. passively acquired immunity is through fighting off disease b. actively acquired immunity is through an injection c. immunity is always permanent d. none of the above
b
which of the following is the hormone required for the production of new red blood cells? a. hematopoietin b. erythropoietin c. hemoglobin d. plasma
b
which of the following is the major component of the RBC that transports oxygen? a. serum b. hemoglobin c. plasma d. protein
a
which of the following is the most common type of hemoglobin disease seen in ambulatory care? a. iron deficiency anemia b. sickle cell anemia c. pernicious anemia d. hypovolemia
c
which of the following is the normal range of values for hemoglobin of the adult women? a. 9-14 g/dl b. 12-14 g/dl c. 12-16 g/dl d. 13-18 g/dl
b
which of the following statements is false about disease states and cell changes? a. appendicitis causes increased neutrophils b. viral infection are associated with increased red blood cells. c. iron deficiency anemia shows hypochromic red blood cells. d. infectious mononucleosis shows increased lymphocytes.