Math & Labs

Question 1

Which labs would be ordered for a patient with kidney concerns?

Answer 1

Creatinine and BUN (Blood urea nitrogen)

Question 2

Which labs would be ordered for a patient with a potential UTI?

Answer 2

Urinalysis (bilirubin, specific gravity, pH, ketones, proteins, glucose, nitrites, leukocytes, etc)

Question 3

What are the Arterial Blood Gases?

Answer 3

pH , PaO2 (particles of O2), PaCO2 (particles of CO2), HCO3- (bicarbonate), and O2 saturation

Question 4

What is included in a complete blood cell count?

Answer 4

WBCs, RBCs, HgB (hemoglobin), Hematocrit (Hct), and Platelets (Plt)

Question 5

What is included in an anemia panel?

Answer 5

Folic acid, ferritin, serum iron, and Vitamin B12

Question 6

What kind of tests would be ordered for someone with a working thyroid related diagnosis?

Answer 6

TSH, T3 (free), and T4 (free and total)

Question 7

What laboratory tests measure cardiac function?

Answer 7

B-type natriuretic peptide (BNP), creatinine phosphokinase (CK, CPK), troponin I, and lactic acid

Question 8

Which labs would be ordered for a patient with liver concerns?

Answer 8

Alkaline phosphatase (Alk Phos), Alanine aminotransferase (ALT), Aspartate aminotransferase (AST), bilirubin, and protein (albumin included)

Question 9

What labs measure blood coagulation?

Answer 9

aPTT, PT (prothrombin time), fibrinogen and D-Dimer

Question 10

Which electrolytes do we commonly test for in blood draws?

Answer 10

sodium, potassium, chloride, calcium, phosphorus, anion gap, and bicarbonate (carbon dioxide)

Question 11

How many mL are in a tsp?

Answer 11

5 mL = 1 tsp

Question 12

How many mL are in a tbsp?

Answer 12

15 mL = 1 tbsp

Question 13

How many tsp are in a tbsp?

Answer 13

3 tsp = 1 tbsp

Question 14

How many tablespoons is 30 mL?

Answer 14

2 tbsp

Question 15

What is the conversion between mL and ounces?

Answer 15

1 oz = 30 mL

Question 16

What is the conversion between tablespoons and ounces?

Answer 16

2 tbsp = 1 oz

Question 17

How many ounces are in a teacup?

Answer 17

6 oz

Question 18

How many cups are in a pint and a quart?

Answer 18

2 cups in a pint ; 4 cups in a quart

Question 19

How many mL are in a (8 oz) glass/measuring cup?

Answer 19

240 mL

Question 20

How many mL are in a pint?

Answer 20

A pint = 480 or round up to 500 mL / 16 oz / 2 cups

Question 21

How many mL are in a quart?

Answer 21

A quart = 960 or round up to 1,000 mL (1 L) / 32 oz / 4 cups

Question 22

How many lbs are in a kg?

Answer 22

2.2 lbs = 1 kg

Question 23

How many cm are in an inch?

Answer 23

2.5 cm = 1 inch

Question 24

Do we round off medication dosages?

Answer 24

Yes. Round off to 2 decimal places

Question 25

How do you convert between two systems?

Answer 25

Set up a ratio of a proportion or a fraction and then solve for x (if in fraction form, you just have to cross multiply)

Question 26

How do you convert within the metric system?

Answer 26

Use the staircase :D Move the decimal to the right if you're going from large to small, and to the left if you're going from small to large (Kilo -> Hecto -> Deca -> Liter/Gram/Meter -> Deci -> Centi -> Milli -> ___ -> ____ -> Micro)

Question 27

What is the rule for comparing decimal values?

Answer 27

The greater number to the right of the decimal means the greater the decimal is. If the numbers are equal, apply it to the next value in the decimal

Question 28

What is the rule for multiplying decimals?

Answer 28

Line the decimals up diagonally -> multiply each digit by each other individually -> add the products of multiplication vertically to get your answer -> count the decimal places in each multiple to get the number of decimal places to round it to

Question 29

What is the rule for dividing decimals?

Answer 29

Make the divisor (outside the box) a whole number by moving the decimal to the right -> do the same thing to the dividend (inside the box) -> divide -> round the answer to however many decimal places you are instructed to. Usually 2

Question 30

How do you turn a decimal into a fraction?

Answer 30

Write it out how it sounds. 0.53 is 53/100 for example. REMEMBER TO REDUCE IF YOU CAN

Question 31

How do you turn a fraction into a decimal?

Answer 31

Just divide it and then round it off.

Question 32

How do you multiply fractions?

Answer 32

Horizontally multiply each number and then reduce the product

Question 33

How do you divide fractions?

Answer 33

Flip the second fraction into a reciprocal and then just multiply them how you normally would

Question 34

If you have a mixed fraction, how do you add/subtract, or multiply/divide it?

Answer 34

Change it to an improper fraction and THEN Divide it

Question 35

How do you add/subtract fractions?

Answer 35

Make sure they have an LCD first and then do it normally

Question 36

What's the rule for evaluating fraction values?

Answer 36

When they have the same denominator, the bigger numerator is the bigger fraction.

Question 37

How do you change a mixed number to an improper fraction?

Answer 37

Multiply the bottom (denom) and whole number together -> add the top (num.) to the product -> write that product over the original bottom (denom) -> reduce if you can

Question 38

How do you change an improper fraction to a mixed number?

Answer 38

Divide the numerator by the denominator by hand. The product will be the whole number, the remainder will be the numerator, and the denominator will be the same as the OG -> reduce if you can

Question 39

What's the conversion between pints and quarts?

Answer 39

1 pt = 0.5 qt