CRNA Chemistry and Physics for Nurse Anesthesia Test Quiz
with Combined Q & A 2023/2024 VERIFIED
What are the order of operations? correct answers PEMDAS
Parentheses
Exponents
Multiply
Division
Addition
Subtraction
What is algebra? correct answers Solving equations for an unknown quantity
What is scientific notation correct answers uses exponents for handling really large or really small
numbers
What is a mantissa? correct answers whole number and decimal part of a value not including place
holders and exponents
What kind of exponent does a number >1 have? correct answers Postive exponent
What kind of exponent does a number <1 have? correct answers Negative exponent
What is a significant figure? correct answers digits in a measured value that have physical meaning and
can be reproduced
Why do we use significant figures? correct answers We use significant figures so scientists don't say that
they're measurements are more precise than they really are.
What are exact numbers? correct answers numbers not obtained through measurements-- easily
countable and hold value
What are the rules of significant figures? correct answers 1. All nonzero numbers are significant.
2. All zeros that are in between nonzero numbers are significant.
3. All trailing zeros that come after the last nonzero digit are significant as long as there is a decimal in
the number.
4. All leading zeros are not significant. Leading zeros are zeros that come before the first nonzero
number.
How many significant figures are in 37,000 correct answers Possibly 2 or 5.. depends if they meant to
place a decimal
How many significant figures are in 705.001? correct answers 6
How many significant figures are in the measurement 811.40 grams? correct answers 4 significant figures
What is accuracy? correct answers how close a measurement is to the true value
,An agreement between experimental data and "true value"
How do you assess accuracy? correct answers With percent error
How do you calculate precent error? correct answers ((measured value- true value)/true value) X100
What is precision? correct answers agreement between replicable measurements
How do we improve precision? correct answers by careful lab technique
If a measurement is repeated, does this mean it is precise? correct answers No, it just means that it is
reproducable-- getting closer to being precise.
How do we quantify precision? correct answers By looking at standard deviation
the smaller the ratio of SD, the better the precision
What is the metric system sometimes called? correct answers MKS system (meter, kilogram, second)
What is the base unit for length? correct answers meter
What is the base unit for weight? correct answers kilogram
What is the base unit for time? correct answers second
what is the base unit for temperature? correct answers kelvin
what is the base unit for an amount of a material?> correct answers mol
What is the base unit for volume? correct answers liter
What is giga? correct answers 1x10^9
What is mega? correct answers 1x10^6
What is kilo? correct answers 1X10^3
What is deci? correct answers 1x10^-1
What is centi? correct answers 1x10^-2
What is Milli? correct answers 1x10^-3
What is micro? correct answers 1x10^-6
What is nano? correct answers 1x10^-9
What is 1 inch equal to in cm? correct answers 2.54 cm
, What is 1 mile in ft? correct answers 5280 feet
What is 1 mile in km? correct answers 1.609 km
What is 1 lb in OZ and kg? correct answers 16 oz
0.454 kg
What is 1 oz to g? correct answers 28.35g
What is one grain to mg? correct answers 64.8 mg
What is 1 kg to lbs? correct answers 2.2
What is 1L equal to in meters? correct answers 1 cubic decimeter
What is one gallon equal to in L? correct answers 3.79
What is 1mL equal to in volume? correct answers 1cm^3
What is temperature? correct answers how hot or cold something is
What is absolute zero temp? correct answers 0K
Nothing lower than it
What is the formula to convert K to C? correct answers K= 273.15 + C
What is the formula to convert C to F? correct answers F= (Cx1.8) +32
What is the formula to convert F to C? correct answers C= (F-32)/1.8
What is 0K equal to in F and C? correct answers 0K = -273.15C = -459.67F
What is a conversion factor? correct answers a statement of equality between two measurements of the
same object/property
What is density? correct answers ratio of the mass to volume
What is the equation for density? correct answers Density = mass/volume
What is specific gravity? correct answers ratio between the density of a substance and the density of
water
If specific gravity of a substance is >1, what does that mean? correct answers The object is denser than
water and will not float
If specific gravity of a substance is <1, what does it mean? correct answers It is less dense than water
with Combined Q & A 2023/2024 VERIFIED
What are the order of operations? correct answers PEMDAS
Parentheses
Exponents
Multiply
Division
Addition
Subtraction
What is algebra? correct answers Solving equations for an unknown quantity
What is scientific notation correct answers uses exponents for handling really large or really small
numbers
What is a mantissa? correct answers whole number and decimal part of a value not including place
holders and exponents
What kind of exponent does a number >1 have? correct answers Postive exponent
What kind of exponent does a number <1 have? correct answers Negative exponent
What is a significant figure? correct answers digits in a measured value that have physical meaning and
can be reproduced
Why do we use significant figures? correct answers We use significant figures so scientists don't say that
they're measurements are more precise than they really are.
What are exact numbers? correct answers numbers not obtained through measurements-- easily
countable and hold value
What are the rules of significant figures? correct answers 1. All nonzero numbers are significant.
2. All zeros that are in between nonzero numbers are significant.
3. All trailing zeros that come after the last nonzero digit are significant as long as there is a decimal in
the number.
4. All leading zeros are not significant. Leading zeros are zeros that come before the first nonzero
number.
How many significant figures are in 37,000 correct answers Possibly 2 or 5.. depends if they meant to
place a decimal
How many significant figures are in 705.001? correct answers 6
How many significant figures are in the measurement 811.40 grams? correct answers 4 significant figures
What is accuracy? correct answers how close a measurement is to the true value
,An agreement between experimental data and "true value"
How do you assess accuracy? correct answers With percent error
How do you calculate precent error? correct answers ((measured value- true value)/true value) X100
What is precision? correct answers agreement between replicable measurements
How do we improve precision? correct answers by careful lab technique
If a measurement is repeated, does this mean it is precise? correct answers No, it just means that it is
reproducable-- getting closer to being precise.
How do we quantify precision? correct answers By looking at standard deviation
the smaller the ratio of SD, the better the precision
What is the metric system sometimes called? correct answers MKS system (meter, kilogram, second)
What is the base unit for length? correct answers meter
What is the base unit for weight? correct answers kilogram
What is the base unit for time? correct answers second
what is the base unit for temperature? correct answers kelvin
what is the base unit for an amount of a material?> correct answers mol
What is the base unit for volume? correct answers liter
What is giga? correct answers 1x10^9
What is mega? correct answers 1x10^6
What is kilo? correct answers 1X10^3
What is deci? correct answers 1x10^-1
What is centi? correct answers 1x10^-2
What is Milli? correct answers 1x10^-3
What is micro? correct answers 1x10^-6
What is nano? correct answers 1x10^-9
What is 1 inch equal to in cm? correct answers 2.54 cm
, What is 1 mile in ft? correct answers 5280 feet
What is 1 mile in km? correct answers 1.609 km
What is 1 lb in OZ and kg? correct answers 16 oz
0.454 kg
What is 1 oz to g? correct answers 28.35g
What is one grain to mg? correct answers 64.8 mg
What is 1 kg to lbs? correct answers 2.2
What is 1L equal to in meters? correct answers 1 cubic decimeter
What is one gallon equal to in L? correct answers 3.79
What is 1mL equal to in volume? correct answers 1cm^3
What is temperature? correct answers how hot or cold something is
What is absolute zero temp? correct answers 0K
Nothing lower than it
What is the formula to convert K to C? correct answers K= 273.15 + C
What is the formula to convert C to F? correct answers F= (Cx1.8) +32
What is the formula to convert F to C? correct answers C= (F-32)/1.8
What is 0K equal to in F and C? correct answers 0K = -273.15C = -459.67F
What is a conversion factor? correct answers a statement of equality between two measurements of the
same object/property
What is density? correct answers ratio of the mass to volume
What is the equation for density? correct answers Density = mass/volume
What is specific gravity? correct answers ratio between the density of a substance and the density of
water
If specific gravity of a substance is >1, what does that mean? correct answers The object is denser than
water and will not float
If specific gravity of a substance is <1, what does it mean? correct answers It is less dense than water
