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BM2 RC > BM2_CP_Lab > Flashcards

BM2_CP_Lab Flashcards

1
Q

Ms. Sean peripheral smear showed this field below. If this field appears similar in 5 fields. What could be her estimated platelet count? *

12,000/uL
60,000/uL
100,000/uL
300,000/uL

A

60,000/uL

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2
Q

Transfusion of 1 unit of platelet concentrate containing approximately 0.7 X 1011 platelets should cause this platelet count increase in your patient: *

5000 to 10,000/ μl
7,000-12,000/ μl
10,000-15,000/μl

A

5000 to 10,000/ μl

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3
Q

Bleeding time is a screening test for the following EXCEPT: *

Sufficiency of platelets number (indirectly)
Speed on small cutaneous blood vessel constriction to control bleeding
Disorders of platelet function, both congenital and acquired
Monitoring tests on patients who had been on heparin therapy

A

Monitoring tests on patients who had been on heparin therapy

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4
Q

How many platelets do you expect to see per 100X field (OIF). in the blood smear if your patient is thrombocytopenic? *

below 8 platelets
below 15 platelets
below 25 platelets

A

below 8 platelets

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5
Q

When is the ideal time a Physician should be requesting for the blood smears of a patient suspected for Malaria? *

after exposure to the vector mosquito
first day of afebrile state
at height of fever
just prior to the next anticipated fever spike

A

just prior to the next anticipated fever spike

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6
Q

Estimate this patient’s blood platelet count: *

need more data
normal
thrombocytopenia
thrombocytosis

A

thrombocytopenia

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7
Q

If each unit of random platelet concentrate could increase platelet count by 5000 to 10,000 / μl, how many units of Platelet Concentrate will you order to bring Ms. Sean’s count to normal? *

None is needed
5 bags
9 bags
26 bags

A

9 bags

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8
Q

Complications of Deep venipuncture in infants EXCEPT: *

venous constriction followed by gangrene
Syncope
damage to organs or tissues accidentally punctured
cardiac arrest

A

Syncope

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9
Q

A 40 y.o. patient was rushed to the emergency room fur to difficulty of breathing. Chest X-ray show bilateral pleural effusion. Thoracentesis was done which revealed whitish, cloudy fluid. Which of the following findings will confirm a Chylothorax condition? *

triglycerides values 2.0mmol/l; cholesterol 5mmol/L
triglycerides values 2.3mmol/l; cholesterol 7mmol/L
triglycerides values 1.2 mmol/l; cholesterol 5.5mmol/L
triglycerides values 1.0mmol/l; cholesterol 6.8mmol/L

A

triglycerides values 2.0mmol/l; cholesterol 5mmol/L

***Triglycerides values 1.0 mmol/1; cholesterol 6.8 mmol/L

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10
Q

NORMAL VALUES *

Normal bleeding time

1-3minutes
3 to 6 minutes

A

1-3minutes

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11
Q

NORMAL VALUES *

Normal clotting time

1-3minutes
3 to 6 minutes

A

3 to 6 minutes

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12
Q

Identify the layer referred to: *

Serum

A
B
C
All
None

A

None

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13
Q

Identify the layer referred to: *

increased in volume in Polycythemic patient

A
B
C
All
None

A

None/C???

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14
Q

Identify the layer referred to: *

affected in hypovolemia

A
B
C
All
None

A

All

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15
Q

Identify the layer referred to: *

decreases in dehydration

A
B
C
All
None

A

C

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16
Q

Identify the layer referred to: *

decreases in anemia

A
B
C
All
None

A

C

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17
Q

Identify the layer referred to: *

increases in leukocytic leukemia

A
B
C
All
None

A

B

18
Q

STANDING PLASMA TEST: *

c

1
11a
11b
111
1V
V

A

11b

19
Q

STANDING PLASMA TEST: *

D

1
11a
11b
111
1V
V

A

V

20
Q

STANDING PLASMA TEST: *

B

1
11a
11b
111
1V
V

A

11a

21
Q

STANDING PLASMA TEST: *

A

1
11a
11b
111
1V
V

A

1

22
Q

FACTORS affecting Bleeding & Clotting Time: *

Hemophilia

Increased Clotting Time
Increased Bleeding Time
Both

A

Both

23
Q

FACTORS affecting Bleeding & Clotting Time: *

von Willebrand’s disease

Increased Clotting Time
Increased Bleeding Time
Both

A

Both

24
Q

FACTORS affecting Bleeding & Clotting Time: *

factor XI deficiency

Increased Clotting Time
Increased Bleeding Time
Both

A

Both

25
Q

FACTORS affecting Bleeding & Clotting Time: *

factor XII deficiency

Increased Clotting Time
Increased Bleeding Time
Both

A

Increased Clotting Time

26
Q

FACTORS affecting Bleeding & Clotting Time: *

factor V deficiency

Increased Clotting Time
Increased Bleeding Time
Both

A

BOth

27
Q

FACTORS affecting Bleeding & Clotting Time: *

factor II deficiency

Increased Clotting Time
Increased Bleeding Time
Both

A

Increased Clotting Time

28
Q

Clotting time is used to diagnose the following EXCEPT: *

monitoring aspirin therapy
clotting factor deficiency
to screen a disorder in the intrinsic pathway of Coagulation.

A

monitoring aspirin therapy

29
Q

Blood extracted that are lesser in volume of what is required in an Anticoagulated Tube (Short draws) could lead to the following: *

dilution of blood by excessive EDTA
RBC morphology & shapes may be affected
excessive anticoagulant prolongs coagulation times
B & C only
All

A

All

30
Q

Given these population of platelets in 5 high power fields- 25, 36, 41, 20, 57- what is the expected Platelet count of your patient? *

645 X 103/µL
450 X 103/µL
537 X 103/µL

A

537 X 103/µL

31
Q

A CBC result of your patient with multiple hematomas revealed the following: ^markedly increased Leukocyte Count; ^decreased in RBC count, Hematocrit, and Hemoglobin; ^normal platelet count- The best thing to do next is: *

Tell the patient to come back 1 week after
Order a repeat CBC
Request a Peripheral Smear Review
Prescribe antibiotics to patient

A

Request a Peripheral Smear Review

32
Q

Prolonged bleeding time occur at this level of platelet count: *

> 450,000/cumm
< 100,000/cumm
< 150,000/cumm
150,000/cumm

A

< 100,000/cumm

33
Q

Which of the following conditions is the MOST contraindication for venipuncture in adults? *

extreme obesity
severe burns
thrombotic tendencies
geriatric patients

A

severe burns

34
Q

In a patient whose Bleeding Time has persisted despite discontinuation of drugs that interfere with platelet functions, the next test to do is to confirm this condition: *

myeloproliferative disorder
renal failure..
von Willebrand’s disease
liver disease.

A

von Willebrand’s disease

35
Q

Given these population of platelets in 5 high power fields- 25, 36, 41, 20, 57- what is the expected Platelet count of your patient? INTERPRET YOUR RESULT: *

cannot be determined
thrombocytosis
normal
thrombocytopenia

A

thrombocytosis

36
Q

After centrifugation for these 2 Capillets filled with capillary blood, compute for the percentage of Packed Red Cell Volume over the Total blood volume, otherwise called Hematocrit. Then interpret each. [2 answers each row] *

A

63.9 %
15.6%
12.4%
80.7%
Anemic
Polycythemic

A

63.9 %/Polycythemic

37
Q

After centrifugation for these 2 Capillets filled with capillary blood, compute for the percentage of Packed Red Cell Volume over the Total blood volume, otherwise called Hematocrit. Then interpret each. [2 answers each row] *

B

63.9 %
15.6%
12.4%
80.7%
Anemic
Polycythemic

A

80.7%/Polycythemic

38
Q

Iatrogenic anemia of infants could most likely result from: *

repeated capillary puncture
umbilical artery leakage
repeated venipuncture
bleeding during delivery

A

repeated capillary puncture

39
Q

After extracting blood from your patient, you handed the blood to the Laboratory. But The Med Tech on duty complained, because the hemolysed specimen you extracted could increase the following tests, EXCEPT: *

Potassium
Erythrocyte Sedimentation Rate
Lactate Dehydrogenase
Sodium

A

Sodium

40
Q

Which vessels are the best or most preferable sites for venipuncture? (antecubital fossa) *

2 &6
1 & 5
3 & 4
2 & 4

A

2 & 4

BM2 RC (7 decks)

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