Mosby Mock Exam Questions and
Answers Graded A+
The appropriate personnel protective equipment for the care of a patient with
suspected TB would be: - Correct answer-respiratory mask
The TD5/5 for the whole brain is: - Correct answer-45 Gy in 25 fx
The histopathological type found most commonly in the neck is: - Correct answer-
squamous cell carcinoma
The transporter of oxygen in the blood is the: - Correct answer-hemoglobin
The linear attenuation coefficient (µ) is expressed in: - Correct 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 - Correct answer-superficial,
orthovoltage, 10MV, 18MV
Radiation therapy using a solid or sealed radioisotopes for the body surface or
tissue implantation is: - Correct answer-brachytherapy
Which site is common for the development of Ewing's sarcoma? - Correct answer-
pelvis
,To prevent the distant spread of prostatic tumors, the ___ should be included in the
treatment fields. - Correct answer-common iliac nodes
An important risk factor for the development of cervical cancer is: - Correct
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? - Correct 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? - Correct answer-60 Gy
What is the primary spread of a glioma? - Correct answer-local invasion
What thickness of cerrobend would be equivalent to 5cm of lead? - Correct
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? - Correct answer-
loop electrosurgical excision procedure (LEEP)
Beyond the point of beam intersection, what would be an advantage of using the
wedged pair technique? - Correct answer-rapid dose falloff
**highest dose concentration near hinge of wedge, then rapid falloff
What can early stage ovarian cancer be successfully treated with? - Correct
answer-surgery followed by chemo
What is the worst prognosis for a primary skin cancer? - Correct 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?
- Correct answer-interstitial afterloading
Chondrosarcoma originates in what type of tissue? - Correct answer-osseous tissue
All of the following are signs of ovarian cancer except: 1) vaginal bleeding, 2)
abdominal bloating, 3) nausea, 4) constipation - Correct answer-1) vaginal
bleeding
What tool is required in order to evaluate blood pressure? - Correct 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? - Correct answer-285 cGy
I1/I2 = (D2/D1)^2
What chemo is known to cause hearing loss? - Correct answer-cisplatin
**AND renal dysfunction
What is the lumen size for a urinary catheter measured in? - Correct answer-French
**the lower the French size, the smaller the lumen
A patient was to receive 250cGy/fx for 10fx at a distance of 100cm SSD. The
patient was actually treated at 105cm SSD. What was the total dose delivered? -
Correct answer-2267 cGy
I1/I2 = (D2/D1)^2
Answers Graded A+
The appropriate personnel protective equipment for the care of a patient with
suspected TB would be: - Correct answer-respiratory mask
The TD5/5 for the whole brain is: - Correct answer-45 Gy in 25 fx
The histopathological type found most commonly in the neck is: - Correct answer-
squamous cell carcinoma
The transporter of oxygen in the blood is the: - Correct answer-hemoglobin
The linear attenuation coefficient (µ) is expressed in: - Correct 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 - Correct answer-superficial,
orthovoltage, 10MV, 18MV
Radiation therapy using a solid or sealed radioisotopes for the body surface or
tissue implantation is: - Correct answer-brachytherapy
Which site is common for the development of Ewing's sarcoma? - Correct answer-
pelvis
,To prevent the distant spread of prostatic tumors, the ___ should be included in the
treatment fields. - Correct answer-common iliac nodes
An important risk factor for the development of cervical cancer is: - Correct
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? - Correct 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? - Correct answer-60 Gy
What is the primary spread of a glioma? - Correct answer-local invasion
What thickness of cerrobend would be equivalent to 5cm of lead? - Correct
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? - Correct answer-
loop electrosurgical excision procedure (LEEP)
Beyond the point of beam intersection, what would be an advantage of using the
wedged pair technique? - Correct answer-rapid dose falloff
**highest dose concentration near hinge of wedge, then rapid falloff
What can early stage ovarian cancer be successfully treated with? - Correct
answer-surgery followed by chemo
What is the worst prognosis for a primary skin cancer? - Correct 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?
- Correct answer-interstitial afterloading
Chondrosarcoma originates in what type of tissue? - Correct answer-osseous tissue
All of the following are signs of ovarian cancer except: 1) vaginal bleeding, 2)
abdominal bloating, 3) nausea, 4) constipation - Correct answer-1) vaginal
bleeding
What tool is required in order to evaluate blood pressure? - Correct 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? - Correct answer-285 cGy
I1/I2 = (D2/D1)^2
What chemo is known to cause hearing loss? - Correct answer-cisplatin
**AND renal dysfunction
What is the lumen size for a urinary catheter measured in? - Correct answer-French
**the lower the French size, the smaller the lumen
A patient was to receive 250cGy/fx for 10fx at a distance of 100cm SSD. The
patient was actually treated at 105cm SSD. What was the total dose delivered? -
Correct answer-2267 cGy
I1/I2 = (D2/D1)^2
