Exam Study NEWEST 2024 ACTUAL EXAM
COMPLETE 170 QUESTIONS AND CORRECT
DETAILED ANSWERS
a. Spontaneously emit excess energy - {✔✔ANSWER✔✔}->>(unit 1)
According to the article, the characteristic that best identifies a natural
source of radiation is the ability to:
a. Spontaneously emit excess energy
b. Emit excess energy when excited by x-rays
c. Avoid decay.
d. Glow in the dark.
c. A radioactive element's rate of decay. - {✔✔ANSWER✔✔}->>(unit 1)
Half-life is defined as:
a. The amount of time it takes an x-ray to reach its target.
b. The amount of time it takes to generate a wavelength equivalent to an
x-ray.
c. A radioactive element's rate of decay.
d. How long it takes for an element to release half of its energy.
,d. Radio waves; gamma rays - {✔✔ANSWER✔✔}->>(unit 1) Of the
electromagnetic radiation forms, ___ have (has) the lowest energy and
___ the highest.
a. Visible light; gamma rays
b. Radio waves; ultraviolet rays
c. Ultraviolet rays; x-rays
d. Radio waves; gamma rays
b. Distance between 2 peaks of a waveform. - {✔✔ANSWER✔✔}->>(unit
1) Wavelength is defined by the:
a. Height of an energetic waveform.
b. Distance between 2 peaks of a waveform.
c. Length of the entire waveform.
d. Distance between 2 valleys in a waveform.
b. Photoelectric, Compton, classical - {✔✔ANSWER✔✔}->>(unit 1) Of the
5 types of possible interactions between ionizing radiation and tissues,
which 3 occur at energies within the diagnostic range of 20 to 150 kV?
a. Bremsstrahlung, Compton, general scatter
b. Photoelectric, Compton, classical
c. Photoelectric, bremsstrahlung, classical
d. Classical, Compton, pair production
a. Provide a dose quantity related to the probability of damaging health
due to stochastic effects from exposure to low levels of ionizing
radiation. - {✔✔ANSWER✔✔}->>(unit 1) The effective dose
measurement was created to:
a. Provide a dose quantity related to the probability of damaging health
due to stochastic effects from exposure to low levels of ionizing
radiation.
b. Calculate exact dose received by target organs.
c. Track radiation exposure rates in a national radiation exposure
database.
d. Help radiation health physicists approve equipment by ensuring that
an accurate dose was received.
b. False - {✔✔ANSWER✔✔}->>(unit 1) Exact tissue and organ dose
absorbed can be calculated easily using indicators on modern imaging
equipment such as CT scanners and image intensifiers.
a. True
b. False
,d. 80 - {✔✔ANSWER✔✔}->>(unit 1) What percentage of the human body
is made up of water molecules?
a. 20
b. 40
c. 60
d. 80
c. Fuel for cell metabolism - {✔✔ANSWER✔✔}->>(unit 1) A function of
carbohydrates in the body is to provide:
a. Immunity
b. Red blood cell production
c. Fuel for cell metabolism
d. Glucose and fats to cells
a. Adenine, guanine, thymine, cytosine - {✔✔ANSWER✔✔}->>(unit 1)
What 4 nitrogenous bases make up the "ladder rungs" of the DNA
double helix?
a. Adenine, guanine, thymine, cytosine
b. Tryamine, guanine, thymine, cytosine
c. Adenine, guanine, cortisol, cytosine
d. Glucose, guanine, thymine, cytosine
d. In the cytoplasm and in the nucleus - {✔✔ANSWER✔✔}->>(unit 1)
Where is RNA located?
a. Only in the cytoplasm
b. Only in the nucleus
c. In the cell wall and the nucleus
d. In the cytoplasm and in the nucleus
c. Mineral salts (electrolytes) - {✔✔ANSWER✔✔}->>(unit 1) The principal
inorganic compounds in protoplasm are water and:
a. Carbon
b. mineral sugars.
c. Mineral salts (electrolytes)
d. nitrogen
c. Cytoplasm - {✔✔ANSWER✔✔}->>(unit 1) The majority of a cell's
molecular components exist in the:
a. Nucleus
b. Cell wall
c. Cytoplasm
d. Golgi apparatus
, d. ribosomes - {✔✔ANSWER✔✔}->>(unit 1) ___ is (are) responsible for
protein synthesis.
a. Fats
b. Electrolytes
c. DNA
d. ribosomes
c. Oogonium - {✔✔ANSWER✔✔}->>(unit 1) The female germ cell is the:
a. Spermatogonium
b. Ribosome
c. Oogonium
d. Corpus albicans
c. Mitosis - {✔✔ANSWER✔✔}->>(unit 1) ___ is the process that produces
2 daughter cells identical to the parent cell.
a. Point mutation
b. Asexual reproduction
c. Mitosis
d. meiosis
d. 46 - {✔✔ANSWER✔✔}->>(unit 1) A normal human cell contains ___
chromosomes as represented by a parent cell and a fertilized germ call
a. 22
b. 23
c. 44
d. 46
b. false - {✔✔ANSWER✔✔}->>(unit 1) When ionizing radiation interacts
with a cell, ionizations and excitations can occur only with water
molecules contained within the cell.
a. True
b. false
c. DNA - {✔✔ANSWER✔✔}->>(unit 1) Point mutations refer to damage
to:
a. Golgi apparati
b. Ribosomes
c. DNA
d. RNA