FREE RADIOLOGY AND STUDY GAMES ABOUT MN-LXMO

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FREE RADIOLOGY AND STUDY GAMES ABOUT MN-LXMO

CORE MODULE EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -109 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: 74.Technique charts are based on patient part measurements obtained using

an x-ray caliper and are expressed as:

Answer:

Thickness in centimeters

Question 2: 30.What occurs with a high radiation dose?

Answer:

Short-term somatic effects & Nonstochastic effects

Question 3: Density

Answer:

The degree of blackening or opacity of an area in a radiograph due to the accumulation of black metallic silver following exposure and processing of a film

Question 4: 42.Nearly all new x-ray machines manufactured today use _______ generators

Answer:

High-Frequency Question 5: 60.Name some factors which can increase recorded detail:

Answer:

Increase in SID and decreased focal spot size Question 6: 22.What is the NCRP recommended annual effective dose limit for occupational exposure?

Answer:

5.0 rem

Question 7: Anterior Position

Answer:

Facing the film Question 8: 68.What factors can affect the quantity of scatter radiation fog on a radiograph?

Answer:

Field size and kVp

Question 9: Film Contrast

Answer:

Inherent ability of the film emulsion to react to radiation and record a range of densities

Question 10: Exposure Latitude

Answer:

The range of exposure factors which will produce a diagnostic radiograph

Question 11: Film Latitude

Answer:

Inherent ability of the film to record a long range of density levels on the radiograph

Question 12: What is the most common site for palpation of patient's pulse?

Answer:

Radial artery at the wrist Question 13: A LMXO innocently commits an error as a result of following the orders of his/her

employer, a physician. The employer may be held responsible according to the:

Answer:

Doctrine of respondeat superior Question 14: 53.Contrast is primarily controlled by:

Answer:

kVp

Question 15: Oblique Position

Answer:

(erect or lying down) Question 16: 95. The process of reducing the probability that infectious organisms will be transmitted to a susceptible individual is called _____?

Answer:

asepsis

Question 17: 9.How does x-ray beam restriction minimize patient exposure?

Answer:

Limits the radiation field to the area of interest Question 18: 80.IR exposure with a kVp higher than needed for the particular anatomic structures will result in

Answer:

Insufficient contrast Question 19: 78.What is the recommendation for a hard-copy image that is mislabeled?

Answer:

A sticker with the correct information should be applied to the hard-copy image.

Question 20: 61.Intensifying screen speed is defined as:

Answer:

The efficiency of a screen in converting x-rays to light

Question 21: 1.The link between radiation dose and genetic effects?

Answer:

*The links has been demonstrated in animal studies.*Increased risk to humans cannot be predicted with respect to an individual.

(NOTE: the link has not nor ever will be demonstrated in human studies!)

Question 22: 5.Name some common types of gonad shielding

Answer:

Contact and shadow Question 23: 37.The target of the x-ray tube is made of:

Answer:

Tungsten Question 24: 54.Fog affects radiographic quality by causing:

Answer:

Decreased contrast Question 25: 2.What change in kilovoltage (kVP)will result in the greatest reduction of patient dose, when mAs is adjusted to compensate for the change?

Answer:

Increase kVp by 30% Question 26: 56.An increase in object-image distance (OID) will result in:

Answer:

Increased magnification

Question 27: Supine

Answer:

Lying on the back