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RHS Practice Test (CAVIT) – Questions With Fully Explained Solutions

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RHS Practice Test (CAVIT) – Questions With Fully Explained Solutions

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RHS Practice Test (CAVIT) – Questions With Fully
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What is a disadvantage of cone-beam D) All of the above
computed tomography (CBCT)
imaging?
A) Cost of equipment
B) Steep learning curve for operator
C) May require an additional trained
professional to read image
D) All of the above


When taking digital images, when B) Before handling any items to be placed in the
should the operator put on PPE? patient's mouth
A) Before entering the patient's
information in the computer
B) Before handling any items to be
placed in the patient's mouth
C) After wiping the sensor with
disinfectant
D) After adjusting the control settings


When using a digital sensor to take D) Intermediate-level disinfectant
images, which level of disinfectant
should be used to wipe the sensor
before placing it in a plastic sheath?
A) Disinfectant is not needed
B) Low-level disinfectant
C) High-level disinfectant
D) Intermediate-level disinfectant

,Which of the following describes the B) Latent period
time between the exposure to ionizing
radiation and the first symptom of
biologic damage?
A) Recovery period
B) Latent period
C) Period of injury
D) Type of injury


Which of the following exposures is B) Bitewing
used to diagnose interproximal
caries?
A) Panoramic
B) Bitewing
C) Cephalometric
D) Periapical


Which of the following occlusal D) Maxillary lateral
radiographic exposures is used to
examine palatal roots of the molars?
A) Mandibular cross sectional
B) Maxillary pediatric
C) Mandibular topographic
D) Maxillary lateral


To reduce cross-contamination during A) take complete medical histories.
dental radiography, the CDC
recommends that dental radiography
operators do all of the following
EXCEPT
A) take complete medical histories.
B) wear gloves.
C) avoid contamination of developing
equipment.
D) use sterilizable or disposable
image receptor holders.

, Which of the following units measures D) Roentgen (R)
the amount of ionizing radiation in the
air?
A) Sievert (Sv)
B) Radiation Absorbed Dose (rad)
C) Gray (Gy)
D) Roentgen (R)


Which of the following items is C) Bloody gauze
considered a biohazardous waste in a
dental office?
A) Fixer solution
B) Tray covers
C) Bloody gauze
D) Bitewing tabs


Exposure time should be reduced for D) All of the above
which of the following patients?
A) Elderly
B) Children
C) Patients with edentulous
D) All of the above


Which of the following best describes D) Electromagnetic spectrum
the entire group of radiation types?
A) Emission spectrum
B) Absorption spectrum
C) Band spectrum
D) Electromagnetic spectrum


Which part of the x-ray machine C) Tubehead
generates the x-ray beams?
A) Dead-man switch
B) Control panel
C) Tubehead
D) Extension arm

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