Chemistry Specimen Collection And Processing Quiz

75 Questions | By Fagbetunsin | Last updated: Mar 21, 2022 | Total Attempts: 655

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CHEMISTRY SPECIMEN COLLECTION AND PROCESSING QUIZ

Questions and Answers

1.

In the clinical chemistry department, tests can be performed on the following
- A.
  
  Blood
- B.
  
  Candy sweetness
- C.
  
  Cerebrospinal fluid
- D.
  
  Pleural fluid
- E.
  
  Synovial fluid
- F.
  
  Pericardial
- G.
  
  Agar plates
2.

10 of the following tests require chilling (ice/water mixture) of specimen
- A.
  
  Catecholamine
- B.
  
  Free fatty acids
- C.
  
  Ammonia
- D.
  
  Lactic acid
- E.
  
  Arterial blood gas
- F.
  
  Angiotensin converting enzyme
- G.
  
  ACTH
- H.
  
  Pyruvate
- I.
  
  Renin
- J.
  
  Acetone
- K.
  
  Cryoglobulin
- L.
  
  Cryofibrinogen
- M.
  
  Cold agglutinin
- N.
  
  Bilirubin
- O.
  
  Carotene
- P.
  
  Vitamin b12
- Q.
  
  Folate (folic acid)
3.

4 of the following tests are light sensitive and blood tubes wrapped in foil are used to transport
- A.
  
  Catecholamine
- B.
  
  Free fatty acids
- C.
  
  Ammonia
- D.
  
  Lactic acid
- E.
  
  Arterial blood gas
- F.
  
  Angiotensin converting enzyme
- G.
  
  ACTH
- H.
  
  Pyruvate
- I.
  
  Renin
- J.
  
  Acetone
- K.
  
  Cryoglobulin
- L.
  
  Cryofibrinogen
- M.
  
  Cold agglutinin
- N.
  
  Bilirubin
- O.
  
  Carotene
- P.
  
  Vitamin b12
- Q.
  
  Folate (folic acid)
4.

3 of the following tests require warm (37C) body temperature of specimen
- A.
  
  Catecholamine
- B.
  
  Free fatty acids
- C.
  
  Ammonia
- D.
  
  Lactic acid
- E.
  
  Arterial blood gas
- F.
  
  Angiotensin converting enzyme
- G.
  
  ACTH
- H.
  
  Pyruvate
- I.
  
  Renin
- J.
  
  Acetone
- K.
  
  Cryoglobulin
- L.
  
  Cryofibrinogen
- M.
  
  Cold agglutinin
- N.
  
  Bilirubin
- O.
  
  Carotene
- P.
  
  Vitamin b12
- Q.
  
  Folate (folic acid)
5.

Which of the following tubes is used to test for blood alcohol level?
- A.
  
  Answer option1
- B.
  
  Answer option2
- C.
  
  Answer option3
- D.
  
  Answer option4
- E.
6.

Why should a PST evacuated tube be inverted 8-10 times after it has been filled with blood?
- A.
  
  Insufficient mixing of blood leads to micro-clot and fibrin strand formation
- B.
  
  Insufficient mixing of blood leads to dirty blood
- C.
  
  Insufficient mixing of blood leads to changes in blood color
- D.
  
  Insufficient mixing of blood leads to foul smelling blood
7.

Choose all of the criteria that must be met for a specimen to be acceptable for testing
- A.
  
  Label must be complete
- B.
  
  Blood specimen must be free of hemolysis
- C.
  
  Specimen must be delivered to the laboratory within the specified amount of time after collection
- D.
  
  Anticoagulated blood must be free of clots
- E.
  
  Specimens must be stored properly until the time of testing
- F.
  
  Outer surfaces of specimen containers must have no visible contamination
- G.
  
  Blood specimen cannot be drawn from a site above an IV line
- H.
  
  Specimen collected in anticoagulant must have the correct blood-to-anticoagulation ratio
- I.
  
  Whole blood specimen must be shook vigorously before all testing
- J.
  
  Blood specimen cannot be drawn from a site below an IV line under any circumstances
- K.
  
  Blood tubes with anticoagulants should have a bid visible clot before being spun down
8.

The following information should be written on the blood collection tube while at patients bedside immediately after a venipuncture
- A.
  
  Patient name
- B.
  
  Date of blood collection
- C.
  
  Time of collection in military time
- D.
  
  Time of collection using 12 hour clock
- E.
  
  Phlebotomist initials
- F.
  
  Accession number
- G.
  
  Specimen ID number
9.

A blood sample can be drawn by the IV nurse before the IV is started
- A.
  
  True
- B.
  
  False
10.

When patients have an IV line, the specimen must be collected from a different arm or from a vein below the IV insertion
- A.
  
  True
- B.
  
  False
11.

Every laboratory should have an SOP (standard Operating Procedure) manual that contains specific instructions for specimen collection
- A.
  
  True
- B.
  
  False
12.

Choose all the blood collection tube closure colors that contains heparin and gel separator
- A.
  
  Answer option1
- B.
  
  Answer option2
- C.
  
  Answer option3
- D.
  
  Answer option4
13.

The plastic blood collection tube with red closure top does not need to be inverted after being filled with blood
- A.
  
  True
- B.
  
  False
14.

The glass blood collection tube with red closure top needs to be inverted after being filled with blood
- A.
  
  True
- B.
  
  False
15.

The plastic blood collection tube with red closure top needs to be inverted after being filled with blood
- A.
  
  True
- B.
  
  False
16.

Heparin additive in blood collection tubes is made from cow or pig lungs or intestines
- A.
  
  True
- B.
  
  False
17.

Heparin anticoagulant in blood collection tubes can be manufactured in the form of which salts
- A.
  
  Lithium (Li+)
- B.
  
  Sodium (Na+)
- C.
  
  Ammonium (NH4+)
- D.
  
  Potassium (K+)
- E.
  
  Magnesium (Mg2+)
18.

Lithium heparin should not be used for blood lithium determinations
- A.
  
  True
- B.
  
  False
19.

Lithium heparin should be used for blood lithium determinations
- A.
  
  True
- B.
  
  False
20.

Ammonium heparin should be used for blood ammonia level testing
- A.
  
  True
- B.
  
  False
21.

Patients on heparin therapy should get blood drawn in the in order to determine the therapeutic level for this blood thinner
- A.
  
  True
- B.
  
  False
22.

Patients on heparin therapy should get blood drawn in the in order to determine level therapeutic level for this blood thinner
- A.
  
  True
- B.
  
  False
23.

Patients on heparin therapy should get blood drawn in the in order to determine level therapeutic level for this blood thinner
- A.
  
  True
- B.
  
  False
24.

Drawing a lavender top tube before a green tube could lead to a falsely elevated potassium (K) reading when electrolytes are being tested
- A.
  
  True
- B.
  
  False
25.

Choose all tests that can be performed on a green top tubes
- A.
  
  Electrolytes
- B.
  
  Arterial blood gases
- C.
  
  Ammonia
- D.
  
  C&S
- E.
  
  Heparin therapy
- F.
  
  Coumadin therapy
- G.
  
  Hemophilia