Quiz
MA Chapter 32
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Questions in this quiz (73)
1Deborah Murray is 6 months pregnant, and Dr. Diapedesis wants Latisha Sharpe, CMA (AAMA), to check her hemoglobin level. Dr. Diapedesis has ordered this test because pregnant women are at increased risk for
- AOsteoporosis
- BAnemia
- CScurvy
- DPolycythemia
2Latisha collects a capillary blood specimen from Deborah and runs a hemoglobin test. The hemoglobin value is 14, which is considered
- Anormal
- Bhigh
- Clow
- Dinvalid
3Richard Wrighter comes in for a general physical examination. As part of his examination, Dr. Diapedesis asks Latisha Sharpe, CMA (AAMA), to perform a hematocrit. Latisha performs a finger puncture. After inserting the tip of the capillary tube into the drop of blood, Latisha discovers that no blood is entering the tube. What is the most likely cause of this?
- AThe capillary tubes are outdated.
- BLatisha did not wipe away the first drop of blood.
- CAir bubbles have entered the capillary tube.
- DThe tip of the capillary tube is pressed against Richard’s finger.
4Latisha fills two capillary tubes and centrifuges them in the microhematocrit centrifuge. After the centrifuge comes to a complete stop, Latisha reads the results
- AAt the top of the buffy coat
- BAt the top of the plasma column
- CAt the top of the red blood cell column
- DNext to the black line on the capillary tube
5Latisha Sharpe, CMA (AAMA), determines Richard’s hematocrit value to be 37. This value is considered
- Anormal
- Bhigh
- Clow
- Dinvalid
6Dr. Diapedesis orders a CBC with differential cell count on Chad Cron. After collecting a lavender tube, Latisha prepares the blood smears. Which of the following techniques would Latisha not use in preparing the smears?
- APlacing a drop of blood ¼ inch from the frosted edge of the slide
- BUsing a 30-degree angle to make the smear
- CUsing a smooth continuous motion to make the smear
- DGently blowing on the slides to dry them
7Latisha has prepared the blood smears and looks at them to make sure they have been prepared correctly. Which of the following slides would not be considered suitable for a blood smear?
- AA slide that has a margin on all sides of the smear
- BA slide that has a rounded, thick edge at the end of the smear
- CA slide that has a feathered edge at the end of the smear
- DA slide that has a smear length of 1½ inches
8The laboratory report on Chad Cron is sent electronically to the medical office from the laboratory that ran the test. After it prints at the medical office, Latisha retrieves it and places it on Dr. Diapedesis’s desk for review. Which of the following indicates an abnormal value for Chad’s CBC?
- AHemoglobin: 16 g/dL
- BHematocrit: 51%
- CWhite blood cell count: 14.25 × 10^3 mm3
- DRed blood cell count: 5.85 × 10^6 mm3
9The results of the differential cell count are included on Chad’s laboratory report. Which of the following indicates an abnormal value?
- ANeutrophils: 52
- BEosinophils: 2
- CBasophils: 0
- DLymphocytes: 41
- EMonocytes: 5
10Latisha Sharpe, CMA (AAMA), is getting ready to draw a blood specimen for a PT/INR test from Daniel Stockton, who is on long-term warfarin therapy. The sample will be analyzed at an outside laboratory. Latisha performs all of the following except
- AUsing a 5-mL, light blue tube to collect the specimen
- BPlacing a bar code label on the tube
- CFilling the tube to the exhaustion of the vacuum
- DShaking the tube three to four times to mix the blood with the anticoagulant
11Hemoglobin transports oxygen in the body.
- ATrue
- BFalse
12A low hemoglobin level may indicate polycythemia.
- ATrue
- BFalse
13The hemoglobin meter must be calibrated each time a new container of test cards is used.
- ATrue
- BFalse
14Calibrating the hemoglobin meter compensates for variables that occur in the manufacturing process of the test cards.
- ATrue
- BFalse
15Three levels of controls must be run each day before you use the hemoglobin meter for the first time.
- ATrue
- BFalse
16If the control result is within acceptable range, it will fall within the expected control range listed on a reference sheet accompanying the control solution.
- ATrue
- BFalse
17The control results should be recorded in the patient’s chart.
- ATrue
- BFalse
18The puncture site should not be touched after it has been cleansed.
- ATrue
- BFalse
19After making the puncture, the first drop of blood should be wiped away with a gauze pad.
- ATrue
- BFalse
20To obtain blood for the test, the patient’s finger should be vigorously squeezed until a large drop of blood forms.
- ATrue
- BFalse
21The hemoglobin test provides a direct reading of the amount of hemoglobin in whole blood in grams per deciliter.
- ATrue
- BFalse
22The normal hemoglobin range for a female is 14 to 18 g/dL.
- ATrue
- BFalse
23The hematocrit measures the percentage volume of packed red blood cells in whole blood.
- ATrue
- BFalse
24A hematocrit reading that is below normal may indicate anemia.
- ATrue
- BFalse
25The patient should be identified by full name and date of birth.
- ATrue
- BFalse
26After puncturing the patient’s finger, the lancet should be discarded in a biohazard sharps container.
- ATrue
- BFalse
27The capillary tube should be filled to the black calibration line.
- ATrue
- BFalse
28Air bubbles entering the capillary tube lead to falsely high test results.
- ATrue
- BFalse
29The capillary tubes must be sealed to prevent leakage of the blood specimen during centrifugation.
- ATrue
- BFalse
30Capillary tubes should be placed in the centrifuge with the sealed ends facing inward.
- ATrue
- BFalse
31Centrifuging the capillary tubes causes the red blood cells to become packed and to settle to the bottom of the tube.
- ATrue
- BFalse
32When reading the test results, the bottom of the red blood cell column (located just above the sealing compound) should be placed on the zero line.
- ATrue
- BFalse
33The hematocrit results should be read at the top of the buffy coat layer.
- ATrue
- BFalse
34To be considered valid, the results of the capillary tubes should agree within two percentage points.
- ATrue
- BFalse
35The normal range for a hematocrit for a female is 37% to 47%.
- ATrue
- BFalse
36The capillary tubes should be discarded in a biohazard bag.
- ATrue
- BFalse
37The purpose of the differential cell count is to identify and count the five types of white blood cells (WBCs)
- ATrue
- BFalse
38An increase or decrease in one or more types of WBCs may occur in pathologic conditions.
- ATrue
- BFalse
39The normal range for neutrophils is 30% to 50%.
- ATrue
- BFalse
40The range for basophils is 0% to 1%.
- ATrue
- BFalse
41The frosted edge of the slide should be labeled with the patient’s name and date of birth and the date.
- ATrue
- BFalse
42The best type of specimen to use for a manual differential cell count is fresh whole blood.
- ATrue
- BFalse
43When preparing the slide, the drop of blood should be placed 1 inch from the frosted edge of the slide.
- ATrue
- BFalse
44The spreader slide should be placed at a 15-degree angle to the first slide.
- ATrue
- BFalse
45The blood smear should be approximately 1½ inches long.
- ATrue
- BFalse
46The blood smear should be thickest at the beginning and gradually thin to a very fine, feathered edge.
- ATrue
- BFalse
47The spreader slide should be discarded in a biohazard sharps container.
- ATrue
- BFalse
48The slides should be placed in a paper envelope for transport to the laboratory.
- ATrue
- BFalse
49The study of blood is known as
- ASerology
- BHematology
- CBlood chemistry
- DBlood banking
50Which of the following tests is NOT included in a CBC?
- ADifferential white blood cell count
- BHemoglobin
- CHematocrit
- DProthrombin time
- ERed and white blood cell counts
51The function of hemoglobin is to
- ADefend the body against infection
- BTransport oxygen in the body
- CAssist in blood clotting
- DTransport electrolytes in the body
52Mr. Peterson has a hemoglobin reading of 16. This is considered to be
- AWithin the reference range
- BAbove the reference range
- CBelow the reference range
- DAn invalid result
53A low hemoglobin reading may occur with all of the following except
- AAnemia
- BPolycythemia
- CLeukemia
- DSevere hemorrhaging
54An increase in the hemoglobin level occurs with
- APolycythemia
- BChronic obstructive pulmonary disease
- CCongestive heart failure
- DAll of the above
55The term hematocrit means
- ATo separate blood
- BThe breakdown of blood
- CA decrease in blood cells
- DAn increase in blood cells
56The buffy coat consists of
- ARed blood cells
- BWhite blood cells
- CPlasma
- DWhite blood cells and platelets
57Mr. Johnson has a hematocrit reading of 60. This is considered to be
- AIncreased
- BDecreased
- CNormal
- DInvalid
58When using a microhematocrit centrifuge, the hematocrit test results should be read at the
- ATop of the red cell column
- BBottom of the red cell column
- CTop of the buffy coat
- DTop of the plasma column
59Mrs. Nelson has a white blood cell count of 14,500. This is considered
- AWithin normal range
- BAbove normal range
- CBelow normal range
- DAn inaccurate test result
60Mr. Stoney has a white blood cell count of 8,000. This is considered
- AWithin normal range
- BAbove normal range
- CBelow normal range
- DAn inaccurate test result
61Which of the following results in leukocytosis?
- AAppendicitis
- BChickenpox
- CMononucleosis
- DRheumatic fever
- EAll of the above
62Which of the following results in leukopenia?
- AAppendicitis
- BChickenpox
- CChemotherapy
- DRheumatic fever
63What is the normal range for a red blood cell count for a woman (in cells per cubic millimeter of blood)?
- A3–4 million
- B4–5.5 million
- C4.5–6.2 million
- D5–6 million
64Which of the following causes a decrease in the red blood cell count?
- AAnemia
- BHodgkin’s disease
- CLeukemia
- DAll of the above
65The red blood cell indices assist the diagnosis of the different types of
- AAnemia
- BHepatitis
- CInfluenza
- DLeukemia
66The red blood cell indices include all of the following except
- AMCV
- BMCHC
- CRBC
- DRDW
67How many blood smears are required for a differential white blood cell count?
- A1
- B2
- C3
- D4
68The results of a differential white blood cell count indicate that there are 45 neutrophils. This is considered
- ABelow normal
- BNormal
- CAbove normal
69The results of a differential white blood cell count indicate there are no basophils. This is considered
- ABelow normal
- BNormal
- CAbove normal
70What is the PT/INR result of a healthy individual with a normal clotting ability?
- A10–20 seconds
- B0.8–1.2
- C1–2
- D2.5–3.5
71What is the function of warfarin?
- ATo inhibit the formation of blood clots
- BTo prevent atrial fibrillation
- CTo encourage blood clotting
- DTo speed up production of red blood cells
72How often should a patient on warfarin therapy have a PT/INR test performed?
- AOnce each week
- BEvery 2–4 weeks
- CEvery 2 months
- DEvery 6 months
73Which of the following tubes may occur if the PT/INR blood tube is not filled to the exhaustion of the vacuum?
- AHemolysis of the blood specimen
- BClotting of the blood specimen
- CInaccurate test results
- DContamination of the blood specimen
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- 12th grade Medical Assistant Quiz on MA Chapter 32, created by sarah wood on 13/04/2018.
- Author
- sarah wood
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- English
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