Urinalysis & Hematology 2

Urine pH values can normally vary between: A) 5.0 - 8.0 B) 5.0 -6.0 C) 7.0 - 8.0

A) 5.0 - 8.0

Why is hereditary hemochromotosis (HH) thought to be underdiagnosed? Choose more than one answer A) its early symptoms are nonspecific and vague B) it is an extremely rare disease C) physicians and patients may lack knowledge of this disorder D) it is a mild disorder and has no severe implications for one's health

A) its early symptoms are nonspecific and vague & C) physicians and patients may lack knowledge of this disorder

A technologist performed a STAT spinal fluid count by pipetting undiluted spinalfluid in a Neubauer Counting chamber and counting both sides of the chamber (4 large WBC squares on each side). A total of 54 white cells were counted. How many white cells would there be er cubic millimeter? A) 3.80 B) 67.5 C) 13.5 D)300 E) 540

B) 67.5

Which of the following statements are TRUE regarding the reagent strip test procedure? Choose all that apply. A) urine should be centrifuged prior to dipping the reagent strip B) Urine should be well mixed prior to dipping the reagent strip C) when visually reading the reagent strip, all results can be read immediately after dipping the strip in the urine specimen D) prolonged immersion may wash out test reagents

B) Urine should be well mixed prior to dipping the reagent strip & D) prolonged immersion may wash out test reagents

The prothrombin time test will detect deficiencies in which pathway? A) extrinsic B) extrinsic and common C) intrinsic D) intrinsic and common E) extrinsic and common

B) extrinsic and common

Which of the following artifacts could be mistaken for casts? A) air bubbles B) fibers C) coverslip scratches D) talc particles

B) fibers

Which of the following phrases best describes a segmented neutrophil? (More than one answer is correct) A) lobes of the nucleus have marked indentation B) lobes of the nucleus are connected by a filament C) a stab cell D) cytoplasm of the cell contains specific granules

B) lobes of the nucleus are connected by a filament & D) cytoplasm of the cell contains specific granules

Observe the peripheral blood smear image to the right. Pictured are scattered acanthocytes, echinocytes, target cells, spherocytes and schistocytes. The condition in which each of these atypical RBC's may be found in varying numbers in the same periperal blood smear is most likely: A) hemolytic anemia B) postsplenectomy syndrome C) disseminated intravascular coagulation D) thalassemia minor

B) postsplenectomy syndrome

Which of the following descriptions best describes the term absolute value as it would relate to differential counts A) relative % of each cell type B) relative % of each cell type x total white cell count C) relative % of each ell type divided by total white count D) specific number of each cell type divided by total white count

B) relative % of each cell type x total white cell count

Which of the following causes schistocyte formation in disseminated intravascular coagulation (DIC)? A) degranulation of promyeloctes B) excessive fever in patients with DIC C) Microthrombi disposition in small vessels D) excessive platelet size

C) Microthrombi disposition in small vessels

The image is a stained smear of CSF (with blast cells). The cells present in this field may indicate what condition? A) allergic condition B) bacterial meningitis C) leukemia with CNS involvement D) viral meningitis

C) leukemia with CNS involvement

A daily urine output which is over 2000 ml/24 hours is referred to as: A) anuria B) oliguria C) polyuria D) pyuria E) dysuria

C) polyuria

A 1:100 dilution of a patient peripheral blood was made and 136 platelets were counted in 5 small RBC counting blocks of a Neubauer-ruled hemocytometer. What is the platelet count? A) 27 x 10^3/ ul B) 68 x 10^3/ul C) 136 x 10^3/ul D) 680 x 10^3/ul E) 13.6 x 10^3/ul

D) 680 x 10^3/ul

Sudan III will confirm the presence of: A) parasites B) sperm C) mucous D) fat

D) fat

Which of the following laboratory assays would be most helpful in determining the number of T cell lymphocytes in circulation? A) complete blood count B) nitroblue tetrazolium (NBT) test C) differential smear count D) flow cytometry

D) flow cytometry

Which of the following white blood cells would NOT produce a positive leukocyte esterase test on the urine chemical reagent strip? A) neutrophils B) eosinophils C) basophils D) lymphocytes

D) lymphocytes

When a patient has a bile duct obstruction, the bilirubin test portion of the reagent strip is: A) negative because unconjugated bilirubin is increased and cannot be excreted by the kidneys B)Positive because unconjungated bilirubin is increased and is excreted by the kidneys C) negative because conjugated bilirubin is decreased and cannot be excreted by the kidneys D) positive because conjugated bilirubin is present and is excreted by the kidneys

D) positive because conjugated bilirubin is present and is excreted by the kidneys

Which of the following set of results would be consistent with the following findings: macrocytosis, anemia, leuopenia, and thrombocytopenia? A) MCV 115, Hgb 9.5/100ml, WBC 6,500/mm', platelets 75,000/mm3 B) MCV 90, Hgb 7.5/100ml, WBC 6,500/mm', platelets 175,000/mm3 C) MCV 75, Hgb 7.5/100ml, WBC 2,500/mm', platelets 75,000/mm3 D) MCV 75, Hgb 9.5/100ml, WBC 6,500/mm', platelets 175,000/mm3 E) MCV 115, Hgb 7.5/100ml, WBC 2,500/mm', platelets 75,000/mm3

E) MCV 115, Hgb 7.5/100ml, WBC 2,500/mm', platelets 75,000/mm3

The first time a cell containing Hb SS is deoxygenated, it forms an irreversibly sickled cell. True or False?

False