Bushong Chapter 1-1 well answered to
pass A+ graded
Which of the following items is considered to be matter?
A. airport surveillance x-rays
B. anode heat
C. cell phone signals
D. light from a movie projector
E. wet snow - correct answer ✔✔E. wet snow
Which of the following is the principal difference between mass and weight?
A. mass is measured in pounds; weight is measured in kilograms
B. mass is the equivalence of energy; weight is the force exerted by gravity
C. there is no difference; mass and weight are equal
D. weight does not change with position; mass does
E. weight is energy; mass requires gravity - correct answer ✔✔B. mass is the
equivalence of energy; weight is the force exerted by gravity
Energy is defined as:
A. a force exerted by a body
B. anything that occupies space and has shape
C. the ability to do work
D. the degree of gravity
,E. the quantity of matter - correct answer ✔✔C. the ability to do work
Which of the following examples best represents energy?
A. a snowman
B. a thrown snowball
C. anode mass
D. the metal plates in a battery
E. the terminals of a battery - correct answer ✔✔B. a thrown snowball
Who first applied x-ray beam collimation and filtration in medical imaging?
A. Wilhelm Roentgen
B. William Coolidge
C. William Crookes
D. William Longfellow
E. William Rollins - correct answer ✔✔E. William Rollins
Which of the following is the type of x-ray tube that is used today?
A. Coolidge tube
B. Crookes tube
C. Geissler tube
D. Leonard tube
E. Snook tube - correct answer ✔✔A. Coolidge tube
, The Bucky grid, which was introduced in 1921, does what?
A. improves image contrast
B. improves spatial resolution
C. provides x-ray collimation
D. reduces x-ray examination time
E. reduces patient exposure - correct answer ✔✔A. improves image contrast
Which of the following regarding x-ray induced death is true?
A. Clarence Dally was the first American to die because of x-ray exposure
B. No medical radiation deaths have occurred
C. Radiology has always been considered a completely safe occupation
D. The first x-ray induced death did not occur until about 1920
E. The first x-ray induced death occurred within a year of Roentgen's discovery -
correct answer ✔✔A. Clarence Dally was the first American to die because of x-ray
exposure.
Which of the following describes the Coolidge x-ray tube?
A. it has a heated cathode
B. it has a rotating anode
C. it is not as good as the Crookes tube
D. It is not in use today
E. It was used by Roentgen shortly after he discovered x-rays - correct answer
✔✔A. it has a heated cathode
pass A+ graded
Which of the following items is considered to be matter?
A. airport surveillance x-rays
B. anode heat
C. cell phone signals
D. light from a movie projector
E. wet snow - correct answer ✔✔E. wet snow
Which of the following is the principal difference between mass and weight?
A. mass is measured in pounds; weight is measured in kilograms
B. mass is the equivalence of energy; weight is the force exerted by gravity
C. there is no difference; mass and weight are equal
D. weight does not change with position; mass does
E. weight is energy; mass requires gravity - correct answer ✔✔B. mass is the
equivalence of energy; weight is the force exerted by gravity
Energy is defined as:
A. a force exerted by a body
B. anything that occupies space and has shape
C. the ability to do work
D. the degree of gravity
,E. the quantity of matter - correct answer ✔✔C. the ability to do work
Which of the following examples best represents energy?
A. a snowman
B. a thrown snowball
C. anode mass
D. the metal plates in a battery
E. the terminals of a battery - correct answer ✔✔B. a thrown snowball
Who first applied x-ray beam collimation and filtration in medical imaging?
A. Wilhelm Roentgen
B. William Coolidge
C. William Crookes
D. William Longfellow
E. William Rollins - correct answer ✔✔E. William Rollins
Which of the following is the type of x-ray tube that is used today?
A. Coolidge tube
B. Crookes tube
C. Geissler tube
D. Leonard tube
E. Snook tube - correct answer ✔✔A. Coolidge tube
, The Bucky grid, which was introduced in 1921, does what?
A. improves image contrast
B. improves spatial resolution
C. provides x-ray collimation
D. reduces x-ray examination time
E. reduces patient exposure - correct answer ✔✔A. improves image contrast
Which of the following regarding x-ray induced death is true?
A. Clarence Dally was the first American to die because of x-ray exposure
B. No medical radiation deaths have occurred
C. Radiology has always been considered a completely safe occupation
D. The first x-ray induced death did not occur until about 1920
E. The first x-ray induced death occurred within a year of Roentgen's discovery -
correct answer ✔✔A. Clarence Dally was the first American to die because of x-ray
exposure.
Which of the following describes the Coolidge x-ray tube?
A. it has a heated cathode
B. it has a rotating anode
C. it is not as good as the Crookes tube
D. It is not in use today
E. It was used by Roentgen shortly after he discovered x-rays - correct answer
✔✔A. it has a heated cathode
