WorksheetsRAD 110 Quinn Chap 41
Total questions: 10
Worksheet time: 5mins
Hydrogen peroxide can be the end result of:
protein synthesis
radiolysis of water
cell proliferation
radiolysis of oxygen
If a high dose of radiation is delivered to the patient continuously over a longer period of time, but at a slower dose rate, it is said to be:
protracted
radiosensitized
fractionated
prophased
Which of the following cells is most radiosensitive?
osteoblasts
muscle cells
nerve cells
lymphocytes
Which type of dose-effect curve implies that if the radiation dose is doubled, the biological effect will be exactly doubled?
sigmoidal
quadratic
linear
linear quadratic
Transfer RNA (tRNA):
causes DNA in the nucleus to split
is only found outside of cells
is attached to a specific amino acid
is found only in the nucleus
Meiosis consists of:
a replication division only
a replication division followed by a reduction division
a reduction division followed by a replication division
a reduction division only
Which of the following has the highest LET:
gamma rays
protons
alpha particles
neutrons
The nucleolus, in particular, contains:
mitochondria
proteins
RNA
DNA
The law of Bergonie and Tribondeau states that:
radiosensitivity increases with hypoxia (reduced oxygen)
radiosensitivity increases with the rate of cell proliferation
the older a cell is, the more radiosensitive it is
metabolic activity results in less radiosensitivity
How many chromosomes are contained in somatic cells?
2
23
44
46
