Fractionation of radiation doses allows for
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A 1970 study of 93 house mice (Mus musculus) in a single bar…
A 1970 study of 93 house mice (Mus musculus) in a single barn in Texas focused on a single locus (the gene for a certain enzyme) with two alleles, A and A’. The genotype frequencies found were: AA 0.226 AA’ 0.400 A’A’ 0.374 The predicted freq (AA’) = 2pq = 0.489.
True or false: Stereoisomers are isomers that differ in the…
True or false: Stereoisomers are isomers that differ in the connectivity of their atoms.
True or false: An achiral molecule is superimposable on its…
True or false: An achiral molecule is superimposable on its mirror image.
What invention allowed intensity modulated radiation therapy…
What invention allowed intensity modulated radiation therapy to become a reality?
The oncologist prescribes a non-isocentric four-field box to…
The oncologist prescribes a non-isocentric four-field box to be treated to midline from all portal entries. The patient’s AP/PA separation is is 28 cm and the right/left separation is 42 cm. What would be the SSD at the AP portal and the right lateral portal respectively?
Choose the best definition for conformational isomer.
Choose the best definition for conformational isomer.
Choose the Newman projection that represents the most stable…
Choose the Newman projection that represents the most stable conformation of 3,3-dimethylhexane viewed along the C3-C4 bond.
The oncologist is ordering an iodinated contrast injection s…
The oncologist is ordering an iodinated contrast injection simulations for a patient diagnosed with base of tongue cancer. The patient did not need kidney function lab work per the department protocol. You have to screen the patient for an iodinated contrast injection before having them sign the consent form. Which of the following would not be screened for before giving a contrast injection?
Extra Credit: IGRT Module The phase-based CT acquisition met…
Extra Credit: IGRT Module The phase-based CT acquisition method that tracks tumor motion throughout the breathing cycle is