An arterial blood specimen is collected from a normal, healthy donor for blood gas analysis. The specimen was improperly collected, and a large bubble of room air is present in the syringe. Which of the following changes can occur?
A. pH inc, pCO2 decrease, pO2 inc
B. pH inc, pCO2 inc, pO2 decrease
C. pH decrease, pCO2 decrease, pO2 increase
D. pH decrease, pCO2 inc, pO2 decrease
Which of the following lists represents the light path through the components of a spectrophotometer beginning immediately after the light source?
A. entrance slit, sample cuvet, exit slit, monochromater, detector
B. entrance slit, monochromator, exit slit, sample cuvet, detector
C. monochromator, entrance slit, sample cuvet, exit slit, detector
D. monochromater, sample cuvet, entrance slit, detector, exit slit
A random urine specimen was collected. The following results were measured:
pH: 7.5, SG: >1.030, blood: neg, Protein: 30mg/dL, glucose neg, ketone neg, bili pos, nitrite neg, leukocyte esterase pos, flintiest pos, ictotest pos, refractometer: 1.005, urobili: 30mg/dL
which of the following statements regarding these results is true?
A. ascorbic acid is causing a false neg glucose reaction
B. the alkaline pH is causing the protein result to be pos
C. an abnormal amount of urobilinogen is present in the urine
D. radiographic contrast media is causing the high specific gravity
Evaluate the urinalysis microscopic examination results on the first morning urine specimens obtained on two consecutive days from the same patient. Which of the urine changes indicated that an infection that was originally only in the bladder, has on day 2, moved up into the kidney?
A. Day 1: 2-5 RBCs, 2-5 WBCs, mod bacteria
Day 2: 2-5 RBCs, 10-25 WBCs, 0-2 granular casts, many bacteria
B. Day 1: 0-2 RBCs, 5-10 WBCs, 0-2 granular casts, few bacteria
Day 2: 2-5 RBCs, 5-10 WBCs, 0-2 granular casts, mod bacteria
C. Day 1: 2-5 RBCs, 10-25 WBCs, 2-5 hyaline casts, few bacteria
Day 2: 2-5 RBCs, 5-10WBCs, 0-2 WBC casts, few bacteria
D. Day 1: 5-10 RBCs, 5-10 WBCs, 10-25 hyaline casts, few bacteria
Day 2: 10-25 RBCs, 5-10 WBCs, 0-2 RBC casts, few bacteria
Below are the ABO groups, Rh types, and gestational ages for four pregnant women. Which of them is eligible for antenatal Rh-immune globulin?
A. Group O, Rh-pos, 32 weeks
B. Group A, Rh-neg, 22 wks
C. Group B, Rh-neg, 28 weeks
D. Group AB, Rh-pos, 24 weeks
Mrs. M delivered an infant two weeks prematurely. Her physician requests a blood transfusion for baby M. The results are given below:
Mom: A neg, autocontrol neg, antibody screen pos, antibody ID: anti-D and anti-c
Baby: A pos, DAT pos
Which of the following units should be selected for transfusion?
A. Group A, Rh pos, C pos
B. Group A, Rh neg, C neg
C. Group A, Rh pos, C neg
D. Group O, Rh neg, C pos
Which of the following cells would be an appropriate positive control cell for antigen typing procedures using commercially prepared anti-Jka?
A.ce, Fy(a-b+), Jk(a+b+), Le(a-b-)
B. Cce, Fy(a+b-), Jk(a-b+) Le(a-b+)
C. CDEe, Fy(a+b-), Jk(a-b+), Le(a-b+)
D. Ce, Fy(a+b-), Jk(a+b-), Le(a+b-)