X-Ray Registry Preparation

Question 1

The following dose response curve is the basic principal of radiation protection in x-ray

Accepted Answer

Linear, non - threshold response

Question 2

The maximum permissible leakage exposure from the x-ray tube housing is

Accepted Answer

1 mGya/hour at 1 meter

Question 3

What device would be used to perform Auscultation following a blunt force trauma to a PTs chest

Accepted Answer

Stethoscope

Question 4

Serves as a guide for what RTs aspire to become as professionals

Accepted Answer

Code of Ethics

Question 5

The line compensator is located on the:

Accepted Answer

Primary side of the autotransformer

Question 6

In digital imaging window level is responsible for which of the following?

Accepted Answer

Receptor exposure/brightness

Question 7

To make a visible change in the receptor exposure, the minimum change in mAs must be at least

Accepted Answer

30%

Question 8

This device delivers oxygen to the patient in the 21 - 60% range

Accepted Answer

Nasal cannula

Question 9

Which of the following contributes to shape distortion on a radiograph?

Accepted Answer

Central ray angulation

Question 10

Identify the portion of the thorax demonstrated with the patient placed in the LPO position?

Accepted Answer

Left axillary ribs

Question 11

Which of the following is NOT a function of the liver?

Accepted Answer

Storage of bile

Question 12

Which of the following tarsal bones is located most lateral and distal?

Accepted Answer

Cuboid

Question 13

What is the relationship between wavelength and frequency?

Accepted Answer

Inversely proportional

Question 14

Which of the following are needed in digital radiography to produce and image?

Accepted Answer

Scintillator and CCD

Question 15

Which of the following directly converts x-ray energy into a digital electrical signal?

Accepted Answer

Photoconductor

Question 16

Which of the following is NOT a part of the microscopic anatomy of the kidney?

Accepted Answer

Minor calyx

Question 17

What is located on the secondary side of the step up transformer of a typical x-ray circuit

Accepted Answer

Rectifier

Question 18

Select the statement that best describes x-rays:

Accepted Answer

Packets of E traveling an a wave w/no mass or charge

Question 19

The transformer in the filament circuit is designed to send___volts to the filament of the tube

Accepted Answer

8 - 12

Question 20

To make a visible change in the receptor exposure, the minimum change in mAs must be at least

Accepted Answer

30%

Question 21

Which of the following exposure combinations will result in the least amount of dose to the pt

Accepted Answer

High kVp, low mAs

Question 22

Healthcare aquired infections are

Accepted Answer

Nosocomial infections

Question 23

Tests for linearity in a particular radiograph unit should exceed plus or minus ___ %

Accepted Answer

10

Question 24

How many pulses of energy per second occur with a three phase, six pulse radiographic unit?

Accepted Answer

360

Question 25

What route of transmission is characterized by the host being touched by an infected person?

Accepted Answer

Direct contact

Question 26

The normal diastolic blood pressure range for an adult is

Accepted Answer

60 to 80 mm Hg

Question 27

Which of the following is considered a hinge joint?

Accepted Answer

Elbow joint

Question 28

When doing 2 person CPR, where do you perform compressions and how deep are the compressions?

Accepted Answer

Lower sternum, 3.8 - 5 cm (1.5 - 2 inches)

Question 29

As the distance from the source of radiation to the patient is doubled

Accepted Answer

the intensity of the exposure will decrease 4x

Question 30

The minimum amount of total filtration for x-ray units operating above 70 kVp is

Accepted Answer

2.5 mm Al equivalent

Question 31

Changing from a 5:1 grid to a 16:1 grid will have an affect on:

Accepted Answer

Image contrast

Question 32

X-radiation is produced as a result of hot, high-speed electrons bombarding the:

Accepted Answer

Tungsten target

Question 33

Which of the following generators has a voltage ripple of 3 - 4%?

Accepted Answer

Three phase, twelve pulse

Question 34

The mAs multiplication factor for a 12:1 grid is:

Accepted Answer

5

Question 35

Which of the following is an example of a moderate reaction to a contrast agent?

Accepted Answer

Tachycardia

Question 36

When performing an upper GI exam, the LPO positon places barium in the __portion of the stomach

Accepted Answer

Fundus

Question 37

What is the atomic number for the element tungsten?

Accepted Answer

74

Question 38

When utilizing flat panel detectors that use indirect conversion technology, what occurs?

Accepted Answer

X-rays are converted into visible light

Question 39

The greatest source of natural background radiation exposure is

Accepted Answer

Radon Gas

Question 40

The radiographic landmark that is located at the level of L3-4 is the

Accepted Answer

Umbilicus

Question 41

Which of the following has a direct impact of size distortion on a radiograph?

Accepted Answer

OID

Question 42

With the use of filtration, x-ray quality is said to ___ and x-ray quantity is said to ___

Accepted Answer

Increase, decrease

Question 43

Urticaria is the medical term for

Accepted Answer

Hives

Question 44

Central nervous system death is likely to occur when radiation doses reach __ rads or more

Accepted Answer

3000

Question 45

The carpal bridge is located on which aspect of the wrist?

Accepted Answer

Posterior

Question 46

Which of the following is not seen on the lateral projection of the cervical spine?

Accepted Answer

Intervertebral foramina

Question 47

Which of the following has NO impact on radiographic contrast?

Accepted Answer

Focal spot size

Question 48

Bergonie & Tribonduau states this is not a factor influencing radiosensitivity in a cell

Accepted Answer

Location

Question 49

Which of the following is the result of external hemorrhage, lacerations, or plasma loss?

Accepted Answer

Hypovolemic shock

Question 50

Which of the following is an example of a non-ionic contrast agent?

Accepted Answer

Isovue

X-Ray Registry Preparation

Questions 50

X-Ray Registry Preparation

Questions 50