CRO Test 1 Questions & Answers 2024/2025
Which of the following is a malignant type of tumor?
Craniopharyngioma
Meningioma
Anaplastic astrocytoma
Pituitary adenoma - ANSWERSAnaplastic astryocytoma
What is the relationship between salivary gland size and cancer?
Tumors in large glands a...
What is the relationship between salivary gland size and cancer?
Tumors in large glands are usually benign
Tumors in large gland are usually malignant
Gland size is unrelated to probability of malignancy
Gland size is proportionately related to malignancy - ANSWERSTumors in large glands are usually benign
What is a risk factor for larynx cancer?
Folic acid deficiency
Female sex
Betel and areca nut consumption
Youth - ANSWERSBetel and areca nut consumption
The most common histology of thyroid cancer is
Adenocarcinoma
Squamous Cell Carcinoma
Papillary carcinoma
Basal cell carcinoma - ANSWERSPapillary carcinoma
,The average overall survival time for a GBM patient is
6 months
12 months
24 months
3 years - ANSWERS12 months (poor despite chemo, rt, and surgery)
The external beam prescription for acoustic neuroma is
50.4 Gy
25 Gy
10 Gy
60 Gy - ANSWERS50.4 Gy (SBRT is 12-13 Gy)
It is assumed that stage II patients with this cancer have metastatic disease
Rhabdomyosarcoma
Lymphoma
Melanoma
Ewing's sarcoma - ANSWERSEwing's sarcoma (extensive chemo for 18-24 months before RT)
The most common extracranial cancer in infants is
Neuroblastoma
Leukemia
Medulloblastoma
Sarcoma - ANSWERSNeuroblastoma (occurs in adrenal glands)
A child presents with an abdominal mass, raccoon eyes, and looks generally ill. What could be the
diagnosis?
Wilms' tumor
Rhabdomyosarcoma
Neuroblastoma
, Craniopharyngioma - ANSWERSNeuroblastoma
The most common site for rhabdomyosarcoma is
Genitourinary tract
Thorax
Head and neck
Extremities - ANSWERSHead and neck
An 11 year old presents with slow growth, lateral visual deficits, and thyroid dysfunction. What is this
disease?
Thyroid cancer
Medulloblastoma
Brainstem glioma
Craniopharyngioma - ANSWERSCraniopharyngioma (Grows close to pituitary gland)
Which dose constraint is correct?
Brain mean < 40
Optic nerve max < 60
Brainstem max <54
Lens < 12 - ANSWERSBrainstem max <54
The most common astrocytic neoplasm is
Uveal melanoma
Meningioma
GBM
Brainstem glioma - ANSWERSGBM
The most common symptom of nasal cavity cancers is
Hearing
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