ARRT BOARD EXAM Latest Update -

ARRT BOARD EXAM Latest Update - Actual Exam 1150 Questions and 100% Verified Correct Answers Guaranteed A+

1 in how many women is breast cancer diagnosed? - CORRECT ANSWER: About every

• in 8 women

A PAB field is used to increase the dose to what lymph node group? - CORRECT

ANSWER: Level 3 axillary nodes

A radiation therapist who is 37 years old should not have a lifetime effective dose exceeding: - CORRECT ANSWER: 370 mSv

A Stage III skin reaction would be characterized by: - CORRECT ANSWER: Moist desquamation

A stochastic effect is best defined as one in which: - CORRECT ANSWER: Probability is dose-dependent

A whole body dose of 100-1000 cGy would cause symptoms from which syndrome? -

CORRECT ANSWER: Hematopoietic

Abdominal weight gain, moon face, buffalo hump & hypertension are all signs &

symptoms of what endocrine disorder? - CORRECT ANSWER: Cushing's syndrome

According to Elizabeth Kubler-Ross, what is the final stage of dealing with death/loss? -

CORRECT ANSWER: Acceptance

According to NRC regulations, what color must the standard radiation symbol

background be? - CORRECT ANSWER: Yellow

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After acute whole-body exposure, in what stage will the individual be relatively symptom

free? - CORRECT ANSWER: Latent

After testing the collimator rotation around the isocenter, the resulting exposure on the film will have the appearance of: - CORRECT ANSWER: A star

After what age should women have annual mammograms? - CORRECT ANSWER: 40

After what dose does xerostomia occur? - CORRECT ANSWER: 1,000 cGy

After what dose may permanent azoospermia occur in men being treated for testicular

cancer? - CORRECT ANSWER: 2 to 3 Gy

After what radiation dose to the whole organ can cataracts occur? - CORRECT

ANSWER: 1,000 cGy

Anal carcinomas are typically what histology? - CORRECT ANSWER: Squamous cell

carcinoma

Approximately how many cases of skin cancer are diagnosed each year? - CORRECT

ANSWER: >1,000,000

As the treatment volume increases, what happens to tolerance doses? - CORRECT

ANSWER: Decrease

Aside from gynecological & some pelvic cancers, in what other area are HPV-related

cancers often seen? - CORRECT ANSWER: Head & neck

At minimum, verification imaging should be completed: - CORRECT ANSWER: At the beginning of the course of treatment or when changes are made to patient positioning or the treatment plan

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At what age does the American Cancer Society recommend screening for colon

cancer? - CORRECT ANSWER: 50

At what age is the peak incidence of pediatric medulloblastoma? - CORRECT

ANSWER: 5 years

At what angle to the table should a wheelchair be placed? - CORRECT ANSWER: 45˚

At what dose does destruction of epithelial cells in the stomach occur & what does this

result in? - CORRECT ANSWER: 1000-2000 cGy; nausea

At what dose does erythema typically occur? - CORRECT ANSWER: 2,000-3,000 cGy

At what vertebral level is the hyoid bone located? - CORRECT ANSWER: C3

Autologous bone marrow transplants are when the bone marrow donor is: - CORRECT

ANSWER: The patient

Average TAR is used when calculating monitor units for which type of treatment fields? -

CORRECT ANSWER: Rotational fields

Brachytherapy treatment to the breast is an example of: - CORRECT ANSWER: Interstitial brachytherapy

By how many MeV per cm in unit density tissue is electron energy reduced? -

CORRECT ANSWER: 2

By how many number of methods prior to each daily treatment must the patient be

identified? - CORRECT ANSWER: Two

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By which two lymph node routes does ovarian cancer spread most often? - CORRECT

ANSWER: Para-aortics & pelvic

Calculate the gap needed if Field 1 is 10 cm in length & Field 2 is 20 cm length; both fields are treated at 100 cm a depth of 6 cm with a 6 MV beam. - CORRECT ANSWER: G = d[(0.5F1/SSD1) + (0.5F2/SSD2)]; 0.9 cm

Calculate the gap required for adjacent fields if Field A is length 12 cm & Field B is length 20 cm, treated at 100 cm SSD with 6 MV photon beams to a depth of 5 cm. -

CORRECT ANSWER: G = d(1/2FA/SSD + 1/2FB/SSD); 0.8 cm

Calculate the MU for an isocentric AP/PA treatment; 180 cGy prescribed to 9 cm depth;

TMR = 75.2 - CORRECT ANSWER: 90/0.752 = D; 120 MU per field

Calculate the MU needed for a patient being treated AP/PA at SSD 100 cm to midplane; Sc = 1.08, Sp = 1.007, PDD = 76%; tumor dose to target is 180 cGy - CORRECT

ANSWER: Dose/Sc x Sp x PDD = 109 MU

Calculate the skin gap needed to ensure the fields match at 5 cm depth when Field A has a field length of 14 cm & Field B has a field length of 32 cm, treated at 100 cm SSD

- CORRECT ANSWER: 1.15 cm {G = [d(0.5F1/SSD) + (0.5F2/SSD)]}

Caution - Radiation Area signs are used to identify areas in which radiation workers may receive: - CORRECT ANSWER: 5 mrem/hr

Choosing to scan only what is required for patient imaging is an example of which

principle of ALARA? - CORRECT ANSWER: Time

Daily image quality tests for the CT simulator include verifying CT units for: - CORRECT

ANSWER: Water

Damage to what type of cells is the earliest appearance of radiation damage to the

skin? - CORRECT ANSWER: Basal

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