Page 717 - Clinical Hematology_ Theory _ Procedures ( PDFDrive )

CHAPTER 32 ■ Laboratory Manual: Manual Procedures in Hematology 701

REVIEW QUESTIONS (continued)

Special Stains Coagulation Procedures

*30. Heinz bo ies are 37. Which o the ollowing is the appropriate principle

A. precipitation o ree iron into blue or blue-green or escription o the activate partial thromboplastin
granules time (AP )?

B. enature by crystal violet stain A. In the presence o heparin, thrombin is neutralize .
C. lymphocytes that o not stain B. Measures the time require to generate thrombin

D. intense cytoplasmic granular staining particles in an f brin polymers via the intrinsic pathway
erythroleukemia C. Measures inhibitors o specif c actors

D. An in vivo measurement o platelet a hesion
*31. Prussian Blue stain pro uces an aggregation on locally injure vascular
A. precipitation o ree iron into blue or blue-green suben othelium

granules
B. enature re bloo cells 38. Which o the ollowing is the appropriate principle or

C. non-staining in lymphocytes escription o the antithrombin assay?
D. intense cytoplasmic granular staining particles in A. In the presence o heparin, thrombin is neutralize .

erythroleukemia B. Measures the time require to generate thrombin

*32. Perio ic aci -Schi pro uces an f brin polymers via the intrinsic pathway

A. precipitation o ree iron into blue or blue-green C. Measures inhibitors o specif c actors
granules D. An in vivo measurement o platelet a hesion

B. enature re bloo cells an aggregation on locally injure vascular
C. non-staining in lymphocytes suben othelium

D. intense cytoplasmic granular staining particles in
erythroleukemia 39. Which o the ollowing is the appropriate principle or
escription o the circulating anticoagulant assay?

*33. Peroxi ase stain pro uces A. In the presence o heparin, thrombin is neutralize .
A. precipitation o ree iron into blue or blue-green B. Measures the time require to generate thrombin

granules an f brin polymers via the intrinsic pathway
B. enature re bloo cells C. Measures inhibitors o specif c actors

C. non-staining in lymphocytes D. An in vivo measurement o platelet a hesion
D. intense cytoplasmic granular staining particles in an aggregation on locally injure vascular

erythroleukemia suben othelium

*34. T e result or an Leukocyte alkaline phosphatase 40. T e appropriate re erence value or iagnostic charac-

(LAP) stain is: teristic o the activate partial thromboplastin time

A. normal, i the result is 32 to 182 with ast blue RR (aP ) is

ye A. positive result: increase ratio o normal plasma to

B. positive, i 10% to 50% hemolysis is present patient plasma.

C. normal, i < 10% o cells exhibit hemoglobin F in B. Normal: 2 to 8 minutes

a ults C. Normal: 20 to 35 secon s (28 to 42 secon s), the

D. normal in newborns, i the result is 70% to 90%
range epen ing on the activator an phospholipi

*35. Leukocytes that emonstrate a positive reaction in tar- reagents

taric aci -resistant phosphatase cytochemical staining D. Normal: 80% to 100% (range, 107% ± 19%)

are the lymphocytes seen in

A. in ectious mononucleosis 41. T e appropriate re erence value or iagnostic charac-

B. malignant lymphoma teristic o the antithrombin level is:

C. ALL (non- type) A. positive result: increase ratio o normal plasma to

D. Hairy Cell leukemia patient plasma.
B. Normal: 2 to 8 minutes

*36. LAP bloo smears shoul be staine with _____ o C. Normal: 20 to 35 secon s (28 to 42 secon s), the

specimen collection. range epen ing on the activator an phospholipi

A. 8 hours reagents

B. 48 hours D. Normal: 80% to 100% (range, 107% ± 19%)

C. 72 hours

D. 5 ays

(continued)