Hx of Radiology Flashcards
Who created the Crooke’s tube?
Sir William Crooke
Who discovered the x ray and when was it?
Wilhelm Roentgen, November 8th 1895
Who was the first person to use x ray and when was it?
LTC Giuseppe Alvaro, in 1896
When did the US army first used the X ray and what campaign was it?
1898 during the spanish american war
What are some important dates to remember?
1895, 1913, 1921, 1929, 1974, 1979, 1982
How do you define Science?
thinking in an organized and classified manner
How do you define Natural Science?
the study of the universe and its content
How do you define Veolocity?
Rate of change in position of an object over time
How do you define Acceleration?
Rate of change in velocity over time
What is Force?
Push and pull of an object
What are the two types of natural science?
Physical science and Biological science
Who developed the laws of motion and when?
Sir Isaac Newton, 1686
How many laws of motion are there?
3
what is the first law of motion?
Law of inertia, states that the object tends to maintain its status unless acted upon. Object in motion, stays in motion, object at rest remains at rest.
What is the 2nd law of motion?
Force, which is proportional to the mass times acceleration F = m x a
What is the 3rd law of motion?
Action/Reaction. Push the wall the wall pushes back
What is a decimal system?
system that uses the multiples of ten to describe position of numbers
what is a decimal point?
decimal point is a dot that separates whole number from decimal numbers.
In the small scale measurements of the metric system, what are the three letters that represents the length, mass, and time?
CGS, centimeter, gram, and second
In the larger scale measurements of the metric system, what are the three letters that represents the length, mass, and time?
MKS, Meter, kilogram, and second
What does SI stand for?
system international
System International is the preferred system of measurement for
Medicine and Science
what does the temperature measures?
measures the average energy of movements of the molecules of the matter
Velocity measures ____ in a given ____ and it is abbreviated by ____
speed, direction, m/s