Hematology Practice Questions
Course Introduction
Hematology is the study of blood, blood-forming organs, and blood diseases. This course covers the fundamental aspects of hematopoiesis, the structure and function of blood cells, and the physiology of hemostasis. Students will explore the pathophysiology of common hematological disorders, including anemia, leukemias, lymphomas, clotting abnormalities, and bleeding disorders. Laboratory techniques and diagnostic approaches are emphasized, along with the principles of blood transfusion and the interpretation of hematologic data. The course prepares students to recognize and understand both normal and abnormal blood parameters, forming a foundation for further study in clinical medicine and laboratory diagnostics.
Recommended Textbook
Clinical Laboratory Mathematics 1st Edition by Mark Ball
Available Study Resources on Quizplus
12 Chapters
223 Verified Questions
223 Flashcards
Source URL: https://quizplus.com/study-set/842 Page 2
Chapter 1: Arithmetic and Algebra
Available Study Resources on Quizplus for this Chatper
19 Verified Questions
19 Flashcards
Source URL: https://quizplus.com/quiz/16745
Sample Questions
Q1) What is the purpose of algebra?
A) To calculate the answer to an equation
B) To determine whether an equation fits the associated property
C) To evaluate whether an equation has a fraction
D) To identify the unknown value of a variable
Answer: D
Q2) What should be done in order to isolate the variable x on one side of an equation and the numbers on the other?
A) Carry out the opposite of the operation that appears on the same side of the equal sign as x.
B) Cross multiply all the numbers on the same side of the equal sign as x.
C) Divide by 100 the numbers located on the same side of the equal sign as x.
D) Identify the common denominator of the numbers on the opposite side of the equal sign from x.
Answer: A
To view all questions and flashcards with answers, click on the resource link above.
3
Chapter 2: Exponential Notation & Logarithms
Available Study Resources on Quizplus for this Chatper
17 Verified Questions
17 Flashcards
Source URL: https://quizplus.com/quiz/16746
Sample Questions
Q1) Which of the following is true about an arithmetic scale?
A) The distance between any two adjacent tick marks is the same as the distance between any other two adjacent tick marks.
B) The tick marks are spaced logarithmically in order to better visualize data encompassing a wide range of values.
C) The tick marks represent the data after conversion to exponential numbers to ensure a straight line is generated.
D) Both B and C are correct.
Answer: A
Q2) What value is represented by the exponential number 5.5 × 10 ?
A) 0.0055
B) 5.5
C) 5500
D) 55,000
Answer: D
To view all questions and flashcards with answers, click on the resource link above.
4
Chapter 3: Rounding and the Significance of Figures
Available Study Resources on Quizplus for this Chatper
17 Verified Questions
17 Flashcards
Source URL: https://quizplus.com/quiz/16747
Sample Questions
Q1) A scientist measures the volume of a liquid and determines it to be 324 mL.However,for the purposes of her experiment,the value must be rounded to the nearest hundred.Which of the following value should she use?
A) 300 mL
B) 320 mL
C) 330 mL
D) 400 mL
Answer: A
Q2) Which of the following statements is true regarding the use of significant figures in science?
A) All numbers must be rounded so that all digits are considered significant.
B) Any uncertain digits must be clearly documented alongside the measurement.
C) It is customary to report measurements such that only the last digit is uncertain.
D) Measurements must be repeated until no uncertain digits remain.
Answer: C
To view all questions and flashcards with answers, click on the resource link above.
5
Chapter 4: Systems of Measurement
Available Study Resources on Quizplus for this Chatper
20 Verified Questions
20 Flashcards
Source URL: https://quizplus.com/quiz/16748
Sample Questions
Q1) A volume of fluid is measured as 2 pints.Under the United States Customary System of Units,how many quarts is this?
A) 1
B) 2
C) 4
D) 8
Q2) In the International System of Units (SI),what is the basic unit of measurement for temperature?
A) Celsius
B) Degrees
C) Fahrenheit
D) Kelvin
Q3) Which of the following is NOT an accepted temperature scale?
A) Celsius
B) Degrees
C) Fahrenheit
D) Kelvin
To view all questions and flashcards with answers, click on the resource link above. Page 6
Chapter 5: Solutions and Concentrations
Available Study Resources on Quizplus for this Chatper
19 Verified Questions
19 Flashcards
Source URL: https://quizplus.com/quiz/16749
Sample Questions
Q1) Consider the following equation: concentration of glucose = \( \frac{8.5 \text { moles glucose }}{0.1 \text { kilogram water }} \)
What are the units of the value calculated by this equation?
A) Molal
B) Molar
C) v/v
D) w/v
Q2) What is the rule for determining an equivalent for calculating the normality of a base or salt solution?
A) An equivalent is the number of hydrogen atoms present in the base or salt.
B) An equivalent is the number of hydrogen ions with which it can theoretically combine.
C) An equivalent is the total number of hydroxide (OH ) groups divided by the number of hydrogen atoms present.
D) An equivalent is the total number of positively charged ions present in the molecule.
To view all questions and flashcards with answers, click on the resource link above.
Chapter 6: Dilutions
Available Study Resources on Quizplus for this Chatper
20 Verified Questions
20 Flashcards
Source URL: https://quizplus.com/quiz/16750
Sample Questions
Q1) The initial volume of a sample is 100 L.It is diluted with saline by a factor of 4.The final volume is 400 L.Testing the diluted sample finds an analyte concentration of 25 g/mL.Which of the following expressions can be used to calculate the initial analyte concentration of this sample?
A) \( \frac{(400 \mu \mathrm{L})\left(\frac{25 \mu g}{\mathrm{~mL}}\right)}{100 \mu \mathrm{L}} \)
B) \( \frac{(100 \mu L)\left(\frac{25 \mu g}{m L}\right)}{400 \mu L} \)
C) \( \frac{(400 \mu \mathrm{L})(100 \mu \mathrm{L})}{\frac{25 \mu \mathrm{g}}{\mathrm{mL}}} \)
D) \( \frac{\text { (2) }\left(\frac{25 \mu g}{m L}\right)}{400 \mu \mathrm{L}} \)
Q2) A 100 L sample of blood is diluted with 200 L saline solution.What is the dilution ratio of the sample after dilution?
A) 1:2
B) 1:3
C) 1:4
D) 1:10
To view all questions and flashcards with answers, click on the resource link above. Page 8
Chapter 7: Proportionality, Graphs, and Rates of Change
Available Study Resources on Quizplus for this Chatper
19 Verified Questions
19 Flashcards
Source URL: https://quizplus.com/quiz/16751
Sample Questions
Q1) In the phenomenon of proportionality,
A) a variable is independent of another variable.
B) multiple variables change independently of each other.
C) one variable changes in proportion to another.
D) two variables can be controlled by the experimenter.
Q2) In an equation,the independent variable is which of the following?
A) The variable that has a fixed value
B) The variable that is determined by the other variable
C) The variable whose value is changed by the proportionality constant
D) The variable whose value we control
Q3) The following equation represents two directly proportional variables. y = 4x + 3
What is the value of the slope of the line generated by this equation?
A) 0
B) 3
C) 4
D) It cannot be determined.
To view all questions and flashcards with answers, click on the resource link above.
Chapter 8: Statistics
Available Study Resources on Quizplus for this Chatper
17 Verified Questions
17 Flashcards
Source URL: https://quizplus.com/quiz/16752
Sample Questions
Q1) You are provided the following set of data: 20,21,28,42,43,43,50 Which value represents the median of this data set?
A) 20
B) 36
C) 42
D) 43
Q2) What is a major disadvantage of just reporting the mean,median,and mode of a data set?
A) All these values are subjective and open to interpretation by the person making the calculations.
B) None of these values tell how widely dispersed the data are around it.
C) The information provided by the mean, median, and mode are not related to each other.
D) The values do not indicate why the data were collected.
Q3) The central tendency of a numerical data set refers to A) accuracy.
B) the pattern created by the data when plotted on a logarithmic scale.
C) the precision of the equipment from which the data were obtained.
D) the value that typifies the data.
To view all questions and flashcards with answers, click on the resource link above.
Page 10
Chapter 9: Chemistry
Available Study Resources on Quizplus for this Chatper
19 Verified Questions
19 Flashcards
Source URL: https://quizplus.com/quiz/16753
Sample Questions
Q1) You are asked to calculate the creatinine clearance rate for a patient and are presented with the following data: \(\begin{array}{|l|l|}
\hline\text { Urine Creatinine } & 1.75 \mathrm{mg} / \mathrm{dL} \\
\hline \text { Plasma Creatinine } & 3.22 \mathrm{mg} / \mathrm{dL} \\
\hline \text { Surface area of patient's body } & 42 \mathrm{~m}^{2} \\ \hline \end{array}\)
What other information do you need to calculate the creatinine clearance for this patient?
A) The total volume of the patient
B) The total volume of the patient's plasma
C) The total volume of the plasma sample
D) The total volume of the urine sample
Q2) The Beer-Lambert Law (also called "Beer's Law")defines the relationship between absorbance and what three other factors?
A) Concentration, molar absorptivity, and path length
B) Concentration, photon number, and wavelength
C) Molar absorptivity, path length, and photon number
D) Path length, photon number, and wavelength
To view all questions and flashcards with answers, click on the resource link above. Page 11
Chapter 10: Hematology
Available Study Resources on Quizplus for this Chatper
18 Verified Questions
18 Flashcards
Source URL: https://quizplus.com/quiz/16754
Sample Questions
Q1) A clinical laboratory technician is asked to enumerate the red blood cells in a sample using the standard procedure.What is the single factor by which the technician can multiply the absolute number of cells counted on the hemacytometer to obtain an accurate final count?
A) 50
B) 200
C) 1,000
D) 10,000
Q2) What would a hematocrit of 24% indicate?
A) Red blood cells occupy 24 mL of every 100 mL of whole blood.
B) The platelets in a blood sample are 24% larger in volume than a normal platelet.
C) There are 24 red blood cells for every 100 white blood cells in a blood sample.
D) White blood cells make up 24 of every 100 cells present in whole blood.
Q3) What is the dilution factor for enumerating erythrocytes?
A) 1:2
B) 1:20
C) 1:100
D) 1:200
To view all questions and flashcards with answers, click on the resource link above. Page 12
Chapter 11: Quality Control
Available Study Resources on Quizplus for this Chatper
18 Verified Questions
18 Flashcards
Source URL: https://quizplus.com/quiz/16755
Sample Questions
Q1) An automated cell counter consistently produces red blood cell readings that are 20% too low.What type of error is this considered?
A) Absolute
B) Random
C) Systematic
D) Variable
Q2) On a Levey-Jennings chart,the final single data point falls outside the +3 SD mark.According to Westgard Rule 1<sub>3</sub>s,should the most recent run be accepted?
A) No, because any data point that does not exactly equal the mean value must be rejected.
B) No, because the data point falls outside the accepted range of \( \bar{x} \bar{x} \pm 3 s \)
C) Yes, because runs are rejected only if six or more consecutive data points deviate by greater than +3 SD from the mean.
D) Yes, because values that fall beyond positive standard deviations from the mean are still within the acceptable range.
To view all questions and flashcards with answers, click on the resource link above.
13
Chapter 12: Method Evaluation
Available Study Resources on Quizplus for this Chatper
20 Verified Questions
20 Flashcards
Source URL: https://quizplus.com/quiz/16756
Sample Questions
Q1) How is the reference rage of an assay determined?
A) By testing 100-150 known standards and determining the range that runs from the lowest value to the highest value
B) By testing 100-150 specimens that represent the laboratory's patient population and determining the range that runs from 2 SD below the mean to 2 SD above the mean
C) By testing 100-150 specimens that represent the laboratory's patient population and ordering the values from lowest to highest with the lowest and highest values representing the range
D) None of the above
Q2) The efficiency of a diagnostic test is determined to be 92%.What does this say about the test?
A) A positive result from the diagnostic test is correct 92 out of every 100 tests.
B) The condition is present in 92 out of every 100 people with similar demographic and clinical characteristics.
C) The test will give a negative result in 92 out of every 100 patients who do not have the condition.
D) Out of every 100 test results, 92 are correct.
To view all questions and flashcards with answers, click on the resource link above.
Page 14