PHA 317 Exam 1 UPDATED ACTUAL Questions and CORRECT Answers
How closely a measured value is to the accuracy
correct value is ___
How closely individual measurements are precision
relative to each other is ___
Regarding significant figures, ALL nonzero significant
digits are ___
(i.e. - 12.768)
Regarding significant figures, a zero is ___ significant
when followed by a nonzero number.
(i.e. - 12.076)
Regarding significant figures, a zero after a not significant
decimal and before a nonzero number is ___
(i.e. - 0.02)
Regarding significant figures, a zero after a significant
decimal and following a nonzero number is
___
(i.e. - 0.20)
Regarding significant figures, a zero before either significant or not significant depending on increments of the tool used for
a decimal is ___ measuring (10 g increments vs 1 g increments on a scale)
NLT means ___ not less than
NMT means ___ no more than
NLT and NMT are abbreviations used when USP monographs
talking about ___
Rounding is ___ with USP monographs. not acceptable
89.9% can be equal to ___ but not ___ 90% ; 90.0%
, Mode is ___ most frequently occurring value
Mean is ___ the average of all values
Median is ___ the middle-most value
Standard deviation is ___ A description of how much variation there is in a data set
What mathematical method utilizes units Dimensional analysis
and ratios between them to reach a desired
quantity with a specific/required unit?
The three fundamental dimensions include length, mass, and time ; cgs system
___ and this is called the ___
The definite unit of length is ___ centimeters (cm)
The definite unit of mass is ___ grams (g)
The definite unit of time is ___ seconds (sec)
An angstrom is equal to ___ and measures 10^-10 meter ; microscopic distances
___
1. density and specific gravity,
The four derived dimensions typically 2. force,
discussed in pharmacy calculations include: 3. pressure, &
4. work, energy, and heat
Density is equal to ___ mass / volume
Specific gravity is equal to ___ density of a substance / density of water
Units of density are written as ___ in the cgs g/cm^3 (or g/cc)
system
Units of density are written as ___ in the SI Kg / m^3
system
Force is equal to ___ mass x acceleration
dyne
Units for force are ___
[ or (g*cm)/ sec^2 ]
The force exerted on the body due to weight
gravity is called ___
With 1 gram of mass, weight is equal to ___ 981 dyne (g*cm/s^2)
With 1 kilogram of mass, weight is equal to 9.81 Newton (kg*m/sec^2)
___
Pressure is equal to ___ force / area
dynes / cm^2
The unit for pressure is ___
[ g / cm(sec^2) ]
Work is equal to ___ force x distance
The cgs unit for work is ___ which is equal to ergs ; dyne*cm
___
The SI unit of work is ___ which is equal to ___ joules (J) ; 10^7 ergs
Energy is the ___ capacity to do work
Heat is typically written in cgs units of ___ or calorie or kilocalorie
___
Heat and work are ___ forms of energy equivalent
How closely a measured value is to the accuracy
correct value is ___
How closely individual measurements are precision
relative to each other is ___
Regarding significant figures, ALL nonzero significant
digits are ___
(i.e. - 12.768)
Regarding significant figures, a zero is ___ significant
when followed by a nonzero number.
(i.e. - 12.076)
Regarding significant figures, a zero after a not significant
decimal and before a nonzero number is ___
(i.e. - 0.02)
Regarding significant figures, a zero after a significant
decimal and following a nonzero number is
___
(i.e. - 0.20)
Regarding significant figures, a zero before either significant or not significant depending on increments of the tool used for
a decimal is ___ measuring (10 g increments vs 1 g increments on a scale)
NLT means ___ not less than
NMT means ___ no more than
NLT and NMT are abbreviations used when USP monographs
talking about ___
Rounding is ___ with USP monographs. not acceptable
89.9% can be equal to ___ but not ___ 90% ; 90.0%
, Mode is ___ most frequently occurring value
Mean is ___ the average of all values
Median is ___ the middle-most value
Standard deviation is ___ A description of how much variation there is in a data set
What mathematical method utilizes units Dimensional analysis
and ratios between them to reach a desired
quantity with a specific/required unit?
The three fundamental dimensions include length, mass, and time ; cgs system
___ and this is called the ___
The definite unit of length is ___ centimeters (cm)
The definite unit of mass is ___ grams (g)
The definite unit of time is ___ seconds (sec)
An angstrom is equal to ___ and measures 10^-10 meter ; microscopic distances
___
1. density and specific gravity,
The four derived dimensions typically 2. force,
discussed in pharmacy calculations include: 3. pressure, &
4. work, energy, and heat
Density is equal to ___ mass / volume
Specific gravity is equal to ___ density of a substance / density of water
Units of density are written as ___ in the cgs g/cm^3 (or g/cc)
system
Units of density are written as ___ in the SI Kg / m^3
system
Force is equal to ___ mass x acceleration
dyne
Units for force are ___
[ or (g*cm)/ sec^2 ]
The force exerted on the body due to weight
gravity is called ___
With 1 gram of mass, weight is equal to ___ 981 dyne (g*cm/s^2)
With 1 kilogram of mass, weight is equal to 9.81 Newton (kg*m/sec^2)
___
Pressure is equal to ___ force / area
dynes / cm^2
The unit for pressure is ___
[ g / cm(sec^2) ]
Work is equal to ___ force x distance
The cgs unit for work is ___ which is equal to ergs ; dyne*cm
___
The SI unit of work is ___ which is equal to ___ joules (J) ; 10^7 ergs
Energy is the ___ capacity to do work
Heat is typically written in cgs units of ___ or calorie or kilocalorie
___
Heat and work are ___ forms of energy equivalent
