WorksheetsRadiology Math Quiz
Total questions: 50
Worksheet time: 25mins
Which systems of measurement are students expected to convert between?
Metric and Imperial
Metric and English
English and Imperial
Metric and Customary
When given milliampere [mA] and time, what should you be able to calculate?
The voltage
The mAs value
The frequency
The wavelength
When the kVp is lowered by 15% the mAs needs to be increased by a factor of 2 is known as the _____.
10% rule
20% rule
15% rule
25% rule
What is the 15% kVp rule?
Increasing the kV by 15% you can halve the mAs
Increasing the kV by 15% you increase the mAs by half
decreasing the kV by 15% you can halve the mAs
no adjustment in mAs is needed
What does SID stand for in radiographic exposure factors?
Source-to-Image Distance
Speed of Image Development
Standard Image Density
Specific Image Detail
Which term refers to the result of adding two or more numbers?
Difference
Product
Sum
Quotient
What is the term for the result of subtracting one number from another?
Dividend
Difference
Product
Remainder
Which term describes the result of multiplying two or more numbers?
Quotient
Sum
Product
Divisor
What is the term for the number being divided in a division operation?
Divisor
Dividend
Quotient
Remainder
Which term refers to the number by which another number is divided?
Dividend
Quotient
Divisor
Sum
What is the term for the result of a division operation?
Product
Difference
Quotient
Remainder
Which term describes the amount left over after division when one number does not divide the other exactly?
Sum
Remainder
Product
Quotient
What does the numerator in a fraction indicate?
The number of equal parts in the whole
The number of pieces or parts
The value of the fraction
The decimal equivalent of the fraction
What does the denominator in a fraction indicate?
The number of pieces or parts
The value of the fraction
The number of equal parts in the whole
The decimal equivalent of the fraction
What do decimals indicate?
A portion of the whole
A whole number
A fraction with a denominator of 2
A fraction with a numerator of 1
In the decimal 10.05, what does the number 10 represent?
Ten
Ten and five one-hundredths
One hundred and five tenths
Five one-hundredths
In the decimal 100.5, what does the number 100 represent?
One hundred
One hundred and five tenths
Ten and five one-hundredths
Five tenths
What does the denominator always equal in percentage calculations?
10
50
100
1000
What symbol is used to indicate a percentage?
$
%
#
&
What do equations consist of?
Two mathematical statements that are equal to each other
Two mathematical statements that are not equal to each other
A single mathematical statement
Three mathematical statements that are equal to each other
Which of the following is an example of an equation?
7 + y = 16
7 + y > 16
7 + y < 16
7 + y ≠ 16
What does a letter and number adjacent to each other (e.g., 5x) indicate in an equation?
Addition
Subtraction
Multiplication
Division
What does a slash mark (/) indicate in an equation?
Addition
Subtraction
Multiplication
Division
When solving equations, what is the unknown quantity indicated by?
A number
A letter
A symbol
A fraction
Where can the unknown quantity be located in an equation?
Only on the left of the equal sign
Only on the right of the equal sign
Either left or right of the equal sign
Only in the middle of the equation
How are both sides of an equation balanced?
By adding the same number to both sides
By performing the same operations on both sides
By subtracting the same number from both sides
By dividing both sides by the same number
Which symbol is used to indicate a ratio?
Semicolon
Comma
Colon
Hyphen
Which of the following is an example of a ratio?
2:6::4:12
2:6
2+6
2-6
Which of the following is an example of a proportion?
2:6
2+6
2:6::4:12
2-6
What does an exponent indicate?
A number that has been divided by itself
A number that has been added to itself
A number that has been multiplied by itself
A number that has been subtracted from itself
What does a superscript number indicate in exponents?
How many times the number has been added
How many times the number has been subtracted
How many times the number has been used as a multiplication factor
How many times the number has been divided
What is the value of 4^3?
12
16
64
48
What does a square root indicate?
A value that, when multiplied by itself, equals the original number
A value that, when added to itself, equals the original number
A value that, when subtracted from itself, equals the original number
A value that, when divided by itself, equals the original number
What symbol is used to indicate a square root?
∑
√
∫
∆
What is the square root of 64?
6
7
8
9
Which of the following is a metric unit?
Inch
Gram
Ounce
Foot
Which of the following is an English unit?
Liter
Meter
Yard
Kilo
Which of the following is a metric prefix?
Pint
Gallon
Milli
Ton
Which of the following is NOT a metric unit?
Liter
Meter
Gram
Ounce
Which of the following is NOT an English unit?
Foot
Deci
Mile
Pound
How many centimeters in an inch?
2.54
1.0926
30
0.946
How many meters in a yard?
0.9144
2.54
30
0.946
How many milliliters are in an ounce?
29.5735
2.54
1.0926
0.946
How many liters are in a quart?
0.946
2.54
1.0926
30
How many kilograms are in a pound?
0.453592
0.946
1.0926
30
What does mAs indicate in a radiographic exposure?
The quality of radiation
The quantity of radiation
The type of radiation
The speed of radiation
What does mAs affect in radiographic applications?
Radiographic Contrast and patient dose
Radiographic quality and image size
Radiographic speed and image clarity
Radiographic color and patient comfort
How do you calculate milliampere-seconds (mAs)?
mA ÷ seconds
mA × seconds
mAs ÷ mA
mAs ÷ seconds
How do you calculate the time in seconds if you know the mAs and mA?
mA × seconds
mAs × mA
mAs ÷ mA
mA ÷ mAs
How do you calculate the milliampere (mA) if you know the mAs and time in seconds?
mAs ÷ seconds
mA × seconds
mAs × seconds
seconds ÷ mAs
