CLINICAL CHEMISTRY: PRINCIPLES, TECHNIQUES AND CORRELATIONS
,Chapter: Chapter 01 – Test Bank
Multiple Choice
1. One Nanogram Is Equivalent To How Many Grams?
A) 10-6
B) 10-9
C) 10-12
D) 10-15
Answer: B
Complexity: Rl2
Ahead: Units Of Measure
Subject: Chapter 1
Title: Basic Principles And Practices Of Clinical Chemistry
2. How Many Milliliters Of 0.5n Naoh Are Required To Make 100 Milliliters Of 0.2n Naoh?
A) 250
B) 40
C) 25
D) 4
Answer: B
Complexity: Rl2
Ahead: Laboratory Mathematics And Calculations
Subject: Chapter 1
Title: Basic Principles And Practices Of Clinical Chemistry
3. A Patient Sample For Uric Acid Gave An Absorbance Reading Of 0.4, And The 50 Mg/Dl Standard
Gave An Absorbance Reading Of 0.1. What Is The Concentration Of Uric Acid In The Patient's Sample
In Grams Per Deciliter?
A) 0.2
B) 12.5
C) 125
D) 200
Answer: D
Complexity: Rl2
Ahead: Laboratory Mathematics And Calculations
,Subject: Chapter 1
Title: Basic Principles And Practices Of Clinical Chemistry
4. How Many Millimoles Of Nacl Are Contained In 300 Ml Of A 4m Solution? (Gmw = 58.5)
A) 70
B) 120
C) 234
D) 1200
Answer: D
Complexity: Rl2
Ahead: Laboratory Mathematics And Calculations
Subject: Chapter 1
Title: Basic Principles And Practices Of Clinical Chemistry
5. How Is 10 Mg/Dl Of Calcium Reported In Mmol/L? (Gmw = 40)
A) 2.5
B) 5.0
C) 10
D) 25
Answer: A
Complexity: Rl2
Ahead: Laboratory Mathematics And Calculations
Subject: Chapter 1
Title: Basic Principles And Practices Of Clinical Chemistry
6. How Many Milliliters Of Concentrated Sulfuric Acid (H2s04), G.M.W. = 98 Grams, Specific Gravity =
1.500, Purity = 80%, Are Needed To Make 400 Ml Of A 2n Solution?
A) 26.1
B) 32.7
C) 52.3
D) 65.3
Answer: B
Complexity: Rl2
Ahead: Laboratory Mathematics And Calculations
Subject: Chapter 1
Title: Basic Principles And Practices Of Clinical Chemistry
7. How Many Grams Of Hydrated Mgso4 5 H20 (M.W.: Mgso4 = 119, H20 = 18) Are Required To Make
A 10% Solution Of Mgs04?
A) 5.7 G/Dl
B) 11.9 G/Dl
C) 17.6 G/Dl
D) 20.9 G/Dl
Answer: C
Complexity: Rl2
Ahead: Laboratory Mathematics And Calculations
Subject: Chapter 1
Title: Basic Principles And Practices Of Clinical Chemistry
,8. What Is The Molarity (M) Of A 4% Solution Of Sodium Hydroxide (Naoh)? M.W: Na = 23, O = 16, H = 1.
A) 0.1m
B) 0.25m
C) 1.0m
D) 2.5m
Answer: C
Complexity: Rl2
Ahead: Laboratory Mathematics And Calculations
Subject: Chapter 1
Title: Basic Principles And Practices Of Clinical Chemistry
9. 3 Mg/Dl Is Equivalent To How Many Grams Per Liter?
A) 0.003
B) 0.03
C) 0.3
D) 3
Answer: B
Complexity: Rl2
Ahead: Units Of Measure
Subject: Chapter 1
Title: Basic Principles And Practices Of Clinical Chemistry
10. What Is The Normality Of A Solution Containing 4.5 Grams Of Bacl2 In 400 Ml? (Gmw = 208)
A) 1.10
B) 0.50
C) 0.25
D) 0.11
Answer: D
Complexity: Rl2
Ahead: Laboratory Mathematics And Calculations
Subject: Chapter 1
Title: Basic Principles And Practices Of Clinical Chemistry
11. What Are The Optimal Conditions For Specimen Transport, Handling, And Storage Of
Specimens For Clinical Chemistry Testing?
A) Specimen Transported To Lab Within 2 Hours After Collection, Stored At Room
Temperature, And Centrifuged Within 4 Hours.
B) Specimen Transported To Lab Immediately, Permitted To Clot, Serum Separated And Tested As
Soon As Possible.
C) Specimen Brought To Lab Immediately, Spun Down, And Serum Left To Stand On Clot Until Tested.
D) None Of These Represent Optimal
Conditions. Answer: B
Complexity: Rl1
Ahead: Specimen Collection And Handling
Subject: Chapter 1
Title: Basic Principles And Practices Of Clinical Chemistry
,12. What Type Of Specimen Provides The Fastest Turnaround Times For Blood Gas Analysis?
A) Urine
B) Plasma
C) Serum
D) Whole Blood
Answer: D
Complexity: Rl1
Ahead: Specimen Collection And Handling
Subject: Chapter 1
Title: Basic Principles And Practices Of Clinical Chemistry
13. Diurnal Variation Is A Term That Refers To Which Of The Following?
A) Whether A Patient Is Fasting Or Nonfasting
B) Collection Of 24-Hour Urine Specimens
C) Time Of Day Specimen Collection Occurs
D) Whether A Patient Is Resting Or
Exercising Answer: C
Complexity: Rl1
Ahead: Specimen Collection And Handling
Subject: Chapter 1
Title: Basic Principles And Practices Of Clinical Chemistry
14. Which Of The Following Centrifuges Minimizes Pre-Analytical Errors Associated With The
Analysis Of Ammonia Specimens?
A) A Temperature-Controlled Centrifuge With Swinging Buckets
B) A Temperature-Controlled Centrifuge With Fixed Buckets And An Angled Rotor
C) A Non-Temperature-Controlled Centrifuge With Swinging Buckets
D) A Non-Temperature-Controlled Centrifuge With Fixed
Buckets Answer: A
Complexity: Rl3
Ahead: Laboratory Equipment
Subject: Chapter 1
Title: Basic Principles And Practices Of Clinical Chemistry
15. A Stat Glucose Specimen Was Drawn And Sent To The Laboratory. The Specimen Was Retrieved
From The Pneumatic Tube System And Centrifuged Immediately. After The Serum Specimen Was Then
Loaded Onto The Analyzer, A Sample Aspiration Error Occurred. What Specimen Collection And
Handling Error Most Likely Caused The Error?
A) A Plasma Specimen Should Have Been Collected Instead Of Serum.
B) The Specimen Was Not Completely Clotted Prior To Centrifugation.
C) The Specimen Should Have Been Hand-Carried To The Laboratory.
D) A Temperature-Controlled Fixed Angle Centrifuge Should Have Been
Used. Answer: B
Complexity: Rl3
Ahead: Specimen Collection And Handling
Subject: Chapter 1
Title: Basic Principles And Practices Of Clinical Chemistry
,clinical chemistry: principles, techniques, and correlations, ninth edition
test bank
import settings:
base settings: brownstone default
information field: complexity
information field: ahead
information field: subject
information field: title
highest answer letter: d
multiple keywords in same paragraph: no
nas isbn13: 9781284238884, add to ahead, title tags
chapter: chapter 02 – test bank
multiple choice
1. what is the causative agent of aids?
A) a protozoan
B) a bacterium
C) a fungus
D) a
virus
answer:
d
complexity: rl1 ahead:
biologic safety subject:
chapter 2
title: laboratory safety and regulations
2. what ppe must be worn when handling a tube of blood?
A) it is not required.
B) lab coat only
C) lab coat and gloves
D) lab coat, gloves, and
eyewear answer: c
complexity: rl2
ahead: safety equipment
subject: chapter 2
title: laboratory safety and regulations
3. how is personal protective equipment doffed?
A) remove gloves, disinfect area, wash hands, remove lab coat
B) disinfect area, remove gloves, remove lab coat, wash hands
C) disinfect area, remove gloves, wash hands, remove lab coat
D) remove gloves, wash hands, remove lab coat, disinfect area
answer: b
complexity: rl2
ahead: safety equipment
subject: chapter 2
title: laboratory safety and regulations
© jones & bartlett learning, llc, an ascend learning company 2-1
,clinical chemistry: principles, techniques, and correlations, ninth edition
test bank
4. what type of safety precautions should be taken when the following warning sign is posted?
A) radiation
B) biohazard
C) fire
D) chemical
answer: a
complexity: rl2
ahead: radiation safety
subject: chapter 2
title: laboratory safety and regulations
5. in the event of a fire, what action should a laboratorian take first?
A) activate the fire alarm
B) rescue laboratory personnel
C) close the laboratory doors
D) exit the laboratory
immediately answer: b
complexity: rl3 ahead:
fire safety subject:
chapter 2
title: laboratory safety and regulations
6. standard precautions should be observed when working with specimens from what population of
© jones & bartlett learning, llc, an ascend learning company 2-2
,clinical chemistry: principles, techniques, and correlations, ninth edition
test bank
patients?
A) hemophiliacs
B) aids
C) drug users
D) all patients answer:
d complexity: rl1
ahead: biologic safety
subject: chapter 2
title: laboratory safety and regulations
7. which of the following has the highest incidence of infectious risk in the clinical laboratory?
A) hepatitis
B) creutzfeldt-jakob disease
C) hiv
D) influenzae
answer: a
complexity: rl2
ahead: biologic safety subject:
chapter 2
title: laboratory safety and regulations
8. which of the following is the most effective way of preventing hospital-acquired infections?
A) treating all specimens as biohazardous
B) changing gloves between patient rooms
C) wearing impermeable laboratory coats
D) washing hands between each
patient answer: d
complexity: rl2
ahead: safety equipment
subject: chapter 2
title: laboratory safety and regulations
9. how is a fire ignited by faulty wiring in a chemistry analyzer classified?
A) class a
B) class b
C) class c
D) class d answer:
c complexity: rl1
ahead: fire safety
subject: chapter 2
title: laboratory safety and regulations
10. which of the following is the most efficient means of minimizing aerosol production
during centrifugation?
A) use a refrigerated centrifuge
B) use conical centrifuge tubes
C) balance test tubes in centrifuge
D) use stoppered centrifuge
tubes answer: d
© jones & bartlett learning, llc, an ascend learning company 2-3
,clinical chemistry: principles, techniques, and correlations, ninth edition
test bank
complexity: rl2
ahead: control of other hazards
subject: chapter 2
title: laboratory safety and regulations
© jones & bartlett learning, llc, an ascend learning company 2-4
, clinical chemistry: principles, techniques, and correlations, ninth edition
test bank
import settings:
base settings: brownstone default
information field: complexity
information field: ahead
information field: subject
information field: title
highest answer letter: d
multiple keywords in same paragraph: no
nas isbn13: 9781284238884, add to ahead, title tags
chapter: chapter 03 – test bank
multiple choice
1. violation of the 1 3s westgard rule is an indication of what type of error?
A) systematic
B) proportional
C) constant
D) random
answer: d
complexity: rl2
ahead: quality control and quality improvement
subject: chapter 3
title: quality management in the clinical laboratory
2. given the following serum glucose determinations results with a mean of 100 mg/dl and a
standard deviation of 4 mg/dl, what are the 95% confidence limits for this glucose control?
A) 96 - 104
B) 92 - 108
C) 88 - 112
D) 84 - 116
answer: b
complexity: rl2
ahead: basic concepts
subject: chapter 3
title: quality management in the clinical laboratory
3. given the glucose level i control mean of 100 mg/dl and the standard deviation is 4 mg/dl, what is the
coefficient of variation?
A) 4.0%
B) 8.0%
C) 12.5%
D) 25.0%
answer: a
complexity: rl2
ahead: basic concepts
© jones & bartlett learning, llc, an ascend learning company 3-1