Numbers and Number Systems: Interactive Learning Quizzes for Healthcare Professionals

Question 1

Which of the following is the correct order of operations according to BIDMAS?

Accepted Answer

Brackets, Indices, Division, Multiplication, Addition, Subtraction

Answer

Brackets, Indices, Addition, Subtraction, Division, Multiplication

Answer

Brackets, Multiplication, Division, Addition, Subtraction, Indices

Answer

Addition, Subtraction, Multiplication, Division, Indices, Brackets

Question 2

Find the value of 2^5

Accepted Answer

64

Answer

10

Answer

16

Answer

32

Question 3

Which of the following is an example of a rational number?

Accepted Answer

-7/5

Answer

π

Answer

√3

Answer

e

Question 4

Find the next term in the sequence: 2, 5, 10, 17, 26, ...

Accepted Answer

35

Answer

37

Answer

40

Answer

45

Question 5

Which of the following is the smallest positive integer?

Accepted Answer

1

Answer

0

Answer

-1

Answer

The question cannot be answered

Question 6

Which of the following is NOT a property of real numbers?

Accepted Answer

Closure under division

Answer

Commutative under addition

Answer

Associative under multiplication

Answer

Distributive property

Question 7

Which of the following is an example of an irrational number?

Accepted Answer

√2

Answer

0.5

Answer

3.14

Answer

-10

Question 8

Which of the following is NOT a factor of 24?

Accepted Answer

5

Answer

2

Answer

3

Answer

8

Question 9

Identify the irrational number:

Accepted Answer

π

Answer

√4

Answer

0.25

Answer

1/2

Question 10

According to BIDMAS, which operation has the highest precedence?

Accepted Answer

Brackets

Answer

Indices

Answer

Division

Answer

Addition

Question 11

Is the square root of 7 a rational or irrational number?

Accepted Answer

Irrational

Answer

Rational

Question 12

Which of the following is not a type of number?

Accepted Answer

Factorial

Answer

Integer

Answer

Rational

Answer

Irrational

Question 13

What is the square of 2?

Accepted Answer

4

Answer

6

Answer

8

Answer

10

Question 14

Which of the following is a rational number?

Accepted Answer

0.25

Answer

√3

Answer

π

Answer

e

Question 15

Which of the following is not a real number?

Accepted Answer

√-1

Answer

0

Answer

1

Answer

π

Question 16

Which of the following is an example of an irrational number?

Accepted Answer

π

Answer

-7

Answer

0.5

Answer

22/7

Question 17

Simplify the algebraic expression: 3 - 2(x + 1)

Accepted Answer

1 - 2x

Answer

5 - 2x

Answer

1 + 2x

Answer

x - 5

Question 18

Which of the following is a surd (an irrational number expressed as a radical)?

Accepted Answer

√5

Answer

0.125

Answer

-3

Answer

1/2

Question 19

Identify the next term in the geometric sequence: 2, 4, 8, 16, ...

Accepted Answer

32

Answer

24

Answer

40

Answer

48

Question 20

What is the least common multiple (LCM) of 6 and 8?

Accepted Answer

24

Answer

36

Answer

12

Question 21

What is the greatest common divisor (GCD) of 12 and 18?

Accepted Answer

6

Answer

12

Answer

9

Answer

3

Question 22

Which of the following represents an irrational number?

Accepted Answer

√2

Answer

0.666...

Answer

1/2

Answer

-5

Question 23

Which of the following is a valid example of a surd?

Accepted Answer

√3

Answer

√0

Answer

√-1

Answer

√(2+3)

Question 24

Calculate the value of (-5)².

Accepted Answer

25

Answer

-5

Answer

5

Answer

-25

Question 25

Define the real number line.

Accepted Answer

A graphical representation of all real numbers as points on an infinite line

Answer

A representation of all integers as points on a line

Answer

A representation of all rational numbers as points on a line

Question 26

Identify the number sequence that has a common difference of -3.

Accepted Answer

8, 5, 2, -1, ...

Answer

3, 6, 12, 24, ...

Answer

2, 4, 8, 16, ...

Answer

5, 8, 11, 14, ...

Question 27

Using the order of operations (BODMAS), simplify the expression: 2 + 3 × (4 - 2)

Accepted Answer

8

Answer

6

Answer

12

Answer

10

Question 28

What is the smallest prime number?

Accepted Answer

2

Answer

3

Answer

1

Answer

5

Question 29

What is the cube root of 27?

Accepted Answer

3

Answer

9

Answer

27

Answer

81

Question 30

Which of the following is NOT a factor of 12?

Accepted Answer

7

Answer

4

Answer

2

Answer

3

Question 31

A patient's weight is recorded as 75.5 kg. What type of number represents this weight?

Accepted Answer

Rational number

Answer

Integer

Answer

Imaginary number

Answer

Irrational number

Question 32

A doctor prescribes a patient to take 2 tablets of medication every 6 hours.  What mathematical operation is used to calculate the total number of tablets the patient will take in a day?

Accepted Answer

Multiplication

Answer

Division

Answer

Subtraction

Answer

Addition

Question 33

A patient's temperature is recorded as 37.5°C. Which of the following represents this temperature in scientific notation?

Accepted Answer

3.75 x 10^1

Answer

3.75 x 10^-1

Answer

37.5 x 10^0

Answer

375 x 10^-2

Question 34

A patient's temperature is recorded as 37.5°C. Express this temperature in Kelvin:

Accepted Answer

310.65 K

Answer

0 K

Answer

64.65 K

Answer

273.15 K

Question 35

A medication is prescribed as 0.5 mg per kg of body weight. If a patient weighs 70 kg, calculate the total dosage in milligrams:

Accepted Answer

35 mg

Answer

70.5 mg

Answer

140 mg

Answer

0.007 mg

Question 36

A blood test shows a total cholesterol level of 220 mg/dL. Express this value in scientific notation:

Accepted Answer

2.2 x 10² mg/dL

Answer

220 x 10⁰ mg/dL

Answer

2.2 x 10⁻² mg/dL

Answer

22 x 10¹ mg/dL

Question 37

A medication solution requires diluting 1 part medication with 9 parts water. Determine the ratio of medication to water:

Accepted Answer

1:9

Answer

10:1

Answer

1:10

Answer

9:1

Question 38

Interpret the diastolic blood pressure in a reading of 120/80 mmHg:

Accepted Answer

80 mmHg

Answer

200 mmHg

Answer

120 mmHg

Question 39

Classify a heart rate of 120 beats per minute:

Accepted Answer

Tachycardia

Answer

Hypotension

Answer

Bradycardia

Answer

Normal

Question 40

A patient takes 2 tablets of medication every 8 hours. How many tablets will the patient take in a day?

Accepted Answer

6

Answer

24

Answer

16

Answer

3

Question 41

A patient's red blood cell lifespan is reduced from 120 days to 60 days due to a medical condition. Calculate the percentage decrease in lifespan:

Accepted Answer

50%

Answer

100%

Answer

75%

Answer

25%

Question 42

An intravenous infusion delivers 1000 ml of saline solution over 8 hours. Determine the rate of infusion in milliliters per hour:

Accepted Answer

125 ml/hour

Answer

8 ml/hour

Answer

100 ml/hour

Answer

200 ml/hour

Question 43

Interpret the BMI of 28:

Accepted Answer

Overweight

Answer

Obese

Answer

Underweight

Answer

Normal