Mosby Mock Exam Questions with correct
answers
The appropriate personnel protective equipment for the care of a patient with suspected TB would be: - Answer respiratory mask
The TD5/5 for the whole brain is: - Answer 45 Gy in 25 fx
The histopathological type found most commonly in the neck is: - Answer squamous cell carcinoma
The transporter of oxygen in the blood is the: - Answer hemoglobin
The linear attenuation coefficient (µ) is expressed in: - Answer 1/cm
Arrange the following X-ray energies in order of increasing PDD penetration: 1) orthovoltage 2) 18 MV 3) 10 MV 4) superficial - Answer superficial, orthovoltage, 10MV, 18MV
Radiation therapy using a solid or sealed radioisotopes for the body surface or tissue implantation is: - Answer brachytherapy
Which site is common for the development of Ewing's sarcoma? - Answer pelvis
To prevent the distant spread of prostatic tumors, the ___ should be included in the
treatment fields. - Answer common iliac nodes An important risk factor for the development of cervical cancer is: - Answer human papilloma virus (HPV)
You have an emergency spinal cord compression at the level of lumbar spine 2. The physician orders preliminary field to cover L1-L3. What's the approx field size? - Answer 8 x 10
**lumbar spine is about 3-3.5cm in length
3 bodies (3.5cm) = 10.5
What is the TD5/5 for the optic chiasm? - Answer 60 Gy
What is the primary spread of a glioma? - Answer local invasion
What thickness of cerrobend would be equivalent to 5cm of lead? - Answer 6.0cm
**1cm lead = 1.2cm cerrobend
**cerro is about 15% less dense than lead
What technique is used to treat early pre-cancers of the cervix? - Answer loop electrosurgical excision procedure (LEEP)
Beyond the point of beam intersection, what would be an advantage of using the wedged pair technique? - Answer rapid dose falloff
**highest dose concentration near hinge of wedge, then rapid falloff What can early stage ovarian cancer be successfully treated with? - Answer surgery followed by chemo
What is the worst prognosis for a primary skin cancer? - Answer melanoma
What is the term for the procedure used in which an implant is made using a trocar,
with radioactive sources introduced into the trocar and then the trocar is removed? - Answer interstitial afterloading
Chondrosarcoma originates in what type of tissue? - Answer osseous tissue
All of the following are signs of ovarian cancer except: 1) vaginal bleeding, 2) abdominal bloating, 3) nausea, 4) constipation - Answer 1) vaginal bleeding
What tool is required in order to evaluate blood pressure? - Answer sphygomomanometer
A patient is treated at 82cm SSD instead of 80cm SSD. The planned dose was 300 cGy, what was the approx dose delivered? - Answer 285 cGy
I1/I2 = (D2/D1)^2
What chemo is known to cause hearing loss? - Answer cisplatin
**AND renal dysfunction
What is the lumen size for a urinary catheter measured in? - Answer French
answers
The appropriate personnel protective equipment for the care of a patient with suspected TB would be: - Answer respiratory mask
The TD5/5 for the whole brain is: - Answer 45 Gy in 25 fx
The histopathological type found most commonly in the neck is: - Answer squamous cell carcinoma
The transporter of oxygen in the blood is the: - Answer hemoglobin
The linear attenuation coefficient (µ) is expressed in: - Answer 1/cm
Arrange the following X-ray energies in order of increasing PDD penetration: 1) orthovoltage 2) 18 MV 3) 10 MV 4) superficial - Answer superficial, orthovoltage, 10MV, 18MV
Radiation therapy using a solid or sealed radioisotopes for the body surface or tissue implantation is: - Answer brachytherapy
Which site is common for the development of Ewing's sarcoma? - Answer pelvis
To prevent the distant spread of prostatic tumors, the ___ should be included in the
treatment fields. - Answer common iliac nodes An important risk factor for the development of cervical cancer is: - Answer human papilloma virus (HPV)
You have an emergency spinal cord compression at the level of lumbar spine 2. The physician orders preliminary field to cover L1-L3. What's the approx field size? - Answer 8 x 10
**lumbar spine is about 3-3.5cm in length
3 bodies (3.5cm) = 10.5
What is the TD5/5 for the optic chiasm? - Answer 60 Gy
What is the primary spread of a glioma? - Answer local invasion
What thickness of cerrobend would be equivalent to 5cm of lead? - Answer 6.0cm
**1cm lead = 1.2cm cerrobend
**cerro is about 15% less dense than lead
What technique is used to treat early pre-cancers of the cervix? - Answer loop electrosurgical excision procedure (LEEP)
Beyond the point of beam intersection, what would be an advantage of using the wedged pair technique? - Answer rapid dose falloff
**highest dose concentration near hinge of wedge, then rapid falloff What can early stage ovarian cancer be successfully treated with? - Answer surgery followed by chemo
What is the worst prognosis for a primary skin cancer? - Answer melanoma
What is the term for the procedure used in which an implant is made using a trocar,
with radioactive sources introduced into the trocar and then the trocar is removed? - Answer interstitial afterloading
Chondrosarcoma originates in what type of tissue? - Answer osseous tissue
All of the following are signs of ovarian cancer except: 1) vaginal bleeding, 2) abdominal bloating, 3) nausea, 4) constipation - Answer 1) vaginal bleeding
What tool is required in order to evaluate blood pressure? - Answer sphygomomanometer
A patient is treated at 82cm SSD instead of 80cm SSD. The planned dose was 300 cGy, what was the approx dose delivered? - Answer 285 cGy
I1/I2 = (D2/D1)^2
What chemo is known to cause hearing loss? - Answer cisplatin
**AND renal dysfunction
What is the lumen size for a urinary catheter measured in? - Answer French
