Chapter 13- Medical Math

Open Ended

Why is it important for healthcare professionals to have a strong understanding of medical math?

Multiple Choice

Which of the following is a reason why measurement systems and conversions are essential in the medical field?

• To ensure accurate medication dosages

• To make recipes in the kitchen

• To calculate sports scores

• To design clothing sizes

Match

Match each question to the correct number.

• How many centimeters are there in one meter?

• How many meters are there in one kilometer?

• How many inches are there in one foot?

• How many feet are there in one yard?

100

1000

12

3

• 100

• 1000

• 12

• 3

Multiple Choice

What are the four basic units of measurement used in the metric system?

• Meter, Gram, Liter, Degree Celsius

• Inch, Foot, Pound, Ounce

• Cup, Quart, Pint, Gallon

• Drop, Teaspoon, Tablespoon, Ounce

Multiple Choice

Which of the following are common household units used in the US customary system?

• Inch, Foot, Cup, Pound

• Meter, Liter, Gram, Celsius

• Drop, Teaspoon, Milliliter, Gram

• Dram, Minim, Ounce, Pound

Open Ended

How do conversions between the household, apothecary, and metric systems help healthcare workers ensure accurate medication dosing?

Multiple Select

Which of the following are correct equivalents for weight?

• 1/60 grain = 1 mg

• 1 grain = 60 mg

• 15 grains = 1 g or 1000 mg

• 1 cup = 8 oz

Fill in the Blank

1 cup = ___ oz

Multiple Choice

Which of the following is the correct conversion factor to change inches to centimeters?

• Multiply by 2.54

• Multiply by 30.48

• Divide by 2.2

• Multiply by 0.45

Math Response

1. Convert 5.4 millimeters (mm) to meters (m).

Round your answer to the correct number of significant figures.

Conversion Factor: 1000 millimeters = 1 meter

Type answer here

Correct Answer: 0.0054

Deg^°

Rad

Math Response

Convert 2.1 milliliters (mL) to liters (L). Round your answer to the correct number of significant figures. Conversion Factor: 1000 milliliters = 1 liter

Type answer here

Correct Answer: 0.0021

Deg^°

Rad

Math Response

The wingspan of an adult bald eagle can be 7 feet. What is the wingspan of an adult bald eagle in inches? (Just type the number)

Type answer here

Correct Answer: 84

Deg^°

Rad

Fill in the Blank

The 24-hour clock is also called ___ time.

Multiple Choice

How do you write 11.10 p.m. using 24-hour clock?

• 23.10

• 22.10

Multiple Choice

Convert the time 11:05 p.m. into 24 hour clock time.

• 11 05
• 22 05
• 23 05
• 24 05

Multiple Choice

What Is 17:49 P.M In The 12 Hour Clock ?

• 7:49 P.M

• 5:49 P.M

• 5:49 A.M

• 12:49 P.M

Multiple Choice

What time is 0000?

• noon

• midnight

• morning

• evening

Open Ended

Why might it be important for healthcare workers to avoid confusion between a.m. and p.m. when recording times?

Multiple Select

Which of the following are benefits of using the metric system in healthcare, as mentioned in the lesson?

• Medication dosing would be more accurate

• Numbers can easily be scaled up or down

• It is more familiar to US patients

• Using consistent measurements makes working with international colleagues easier

Open Ended

What basic math skills are required in healthcare?

Multiple Choice

____ is a medical code set that is used to report medical, surgical, and diagnostic procedures and services to entities such as physicians, health insurance companies and accreditation organizations.

• Current Procedural Terminology (CPT)

• International Classification of Diseases (ICD)

• Current Pathology Terminology (CPT)

Multiple Choice

If an ICD-10-CM code does not match a CPT code, the claim may be denied.

• True

• False

Multiple Choice

A doctor treats a patient for a fractured right distal radius without performing surgery. The medical coder submits the following codes: • CPT code 25600 – Closed treatment of distal radius fracture (non-surgical realignment). • ICD-10-CM code S52.501A – Unspecified fracture of the right radius, initial encounter. Using this scenario as an example, how do CPT codes and ICD-10-CM codes work together in reimbursement:

• CPT codes and ICD-10-CM codes are interchangeable and support each other.

• CPT codes describe the procedure, and ICD-10-CM codes justify why it was performed.

• CPT codes are required, but ICD-10-CM codes are optional for reimbursement for billing purposes.

• ICD-10-CM codes describe the procedure, and CPT codes justify why it was performed.

Multiple Select

Which of the following are consequences of incorrect medical coding?

• Loss of reimbursement from insurance

• Improved patient care

• Accurate public health tracking

• Errors in research

Multiple Choice

Why is it important to use the same measurement system when preparing medications?

• To ensure accurate dosage and patient safety

• To save time during preparation

• To reduce medication costs

• To make medications taste better

Fill in the Blank

A specialized tool called a ___ is used by physical therapists to measure joint angles and range of motion.

Multiple Select

What are angle measurements frequently used for in healthcare?

• injecting medications

• triangles

• Pt. positioning

• therapy/rehabilitation

Multiple Choice

Which of the following statements about solutions in healthcare is correct?

• Solutions are always solid mixtures.

• Solutions are used in healthcare and can be expressed as percentages or ratios.

• Solutions are not important for safety.

• Solutions never contain more than one chemical.

Open Ended

How does the insurance claims process help the efficiency of the healthcare system, and how might it make the process difficult?

Open Ended

What do you think is the purpose of high-Fowler’s positioning?

Multiple Choice

Why are subcutaneous injections given at a 45-degree angle?

• It is the most efficient way to reach the subcutaneous layer of skin and prevents injecting medication into the muscle or dermis.

• It is easier for the nurse to hold the syringe at this angle.

• It reduces pain for the patient.

• It allows for faster absorption of medication.

Multiple Choice

Which of the reasons below are why healthcare tasks might use both metric and US measurement systems?

• To accommodate patient familiarity and standardize international communication.

• To reduce costs and simplify equipment.

• To avoid confusion among healthcare workers.

• To increase the number of available medications.

Multiple Choice

Which of the following should NOT be used to take the temperature of an infant?

• Tympanic

• Temporal artery

• Infrared

• Oral

Multiple Choice

Which of the following is not a method of taking temperature?

• Oral

• Tympanic

• Temporal Artery

• Ophthalmic

Multiple Choice

Which of the following are NOT importance uses of math in the healthcare field?

• Managing nutrient intake and preparing food

• Measuring Height and Weight

• Administering Medications

• Measuring sizes for clothing and shoes

Fill in the Blank

Healthcare workers must know average temperatures in both Fahrenheit and ___ scales.

Multiple Choice

What tool do we use to measure temperature?

• Thermometer
• Ruler
• Balance
• Magnifying Glass

Multiple Choice

Select the temperature in °C

• 40°C

• 100°C

• 96°C

• 36°C

Multiple Choice

Which method used to obtain body temperature has the highest average temperature range in Fahrenheit?

• Oral

• Rectal

• Axillary

• Temporal

Multiple Choice

the temperature scale on which water freezes at 0 and boils at 100

• Kelvin scale

• conduction

• Fahrenheit scale

• Celsius scale

Multiple Choice

Convert 24°C into °F.

• 7.2°C

• 32°C

• 75.2°F

• °68

Multiple Choice

Convert 103°F to Celsius.

• 39°C

• 394°F

• 75°C

• 39.4°C

Open Ended

Why is weight considered more accurate and consistent than volume when measuring food in healthcare settings?

Fill in the Blank

The quantity or number of servings a recipe will make is the _____.

Multiple Choice

Yields can be adjusted depending on the number of portions needed using what?

• Portions

• Measurements

• Standardization

• Conversion factors

Open Ended

What is a therapeutic diet? (What's its general purpose?)

Multiple Select

Which Pt. below may need his/her fluid balance recorded and monitored?

• Burned

• Broken leg

• Dialysis

• Common Cold

Open Ended

What does I&O stand for?

Multiple Choice

What is the mean?

• The value that occurs the most often in a data set
• The middle number in an ordered set of data
• The sum of all the numbers in a data set divided by the size/amount of data. Average.

• The sum of the between the greatest and the least elements, divided by two

Multiple Choice

What is the mode?

• the number happening the most

• the average
• biggest - smallest
• the middle number

Multiple Choice

What is the median?

• The number in the middle when the numbers are in order from least to greatest.

• The difference between the largest and smallest number.

• The average

• The number that appears most often.

• table

• line, bar, and circle graphs

• pictograph

Match

Match the type of graph with its picture.

Line graph

Bar graph

CircleGraph/Pie chart

Pictograph

Table

• Line graph

• Bar graph

• CircleGraph/Pie chart

• Pictograph

• Table

Multiple Choice

Which chart gives a clearer picture of hospital bed utilization in each quarter of the year?

• Circle graph

• Bar Graph

Multiple Choice

A measure of body fat that is the ratio of the weight of the body to its height.

• Basal Metobolic Rate (BMR)
• Body Mass Index (BMI)
• Body weight index (BWI)
• Basal Mass Index (BMI)

Open Ended

After learning about measurement systems and conversions, what questions do you still have or what would you like to know more about?

Open Ended

What is one key concept you learned about measurement systems and conversions in medical math?