Absorption Blur Can Be Reduced by Which of the Following

Angling the beam in the direction of the lead strips. Baubles Trinkets 10000 units sold 5000 units sold Sales 10000.

Intensifying Screens Diagnostic Imaging Study Guide Visible Light Spectrum

High x-ray absorption Afterglow.

. Is when subject reduces spatial and contrast resolution. Using high peak kilovoltage and low milliampere-seconds factors. Too much light causes images to appear dark.

A small focal spot longer SID larger OID. Greater on the cathode side increase in magnification increase in focal spot blur. Focal spot blur can be reducing by using _____.

Using the prone position for abdominal exams. Increased SID less mag less focal spot blur improved spacial resolution. X-ray tube can be off-center.

A 1 only B 1 and 2 only C 2. Focal spot blur can be reduced by using _____. Which of the following is not necessary for the construction of a characteristic.

Using factors that increase the photoelectric effect. P5-1 The absorption of x-rays due to the photoelectric effect varies as the cube of the atomic number Z. Which of the following methods can be used effectively to decrease differential absorption providing a longer scale of contrast in the diagnostic range.

Excessive light causes contraction of the eyes pupils 2. An AP abdomen is taken using 75 kVp 40 mAs 40 SID 400 screen 121 grid 12 mm focal spot. A 1 only - inadequate SID.

Directly affects the tube currentx-rays producedpatient dose 3. The following are projections for the coming year. The lateral coccyx image shown in Figure 4-4 was made using AEC but is overexposed.

Restricting the field size to the smallest practical. Two types of patient motion. Distortion can be reduced by _____.

A incorrect selection of the small focal spot B insufficient backup time C selection of the center photocell. X-ray tube off-center with the long axis of the lead strips 3. MAs of the exposure b.

The latitude of the film. What is the absorption of x-rays in the heel of the anode which results in decreased x-ray intensity of the anode side of the central ray. 1 shortest possible exposure time 2 communication or restraining device 3 use large SID 4 use small OID.

The absorption of scatter radiation before it reaches the IR. D incorrect centering of. Optical density is primarily controlled by changing the _____.

Manufactures two products Baubles and Trinkets. Using a compression band for supine abdomens. A 1 only B 1 and 2 only C 2 and 3 only D 1 2 and 3.

A small focal spot. The absorption of useful radiation by a grid is called. A higher grid ratio will increasedecrease the effect of scatter absorption.

The primary purpose of a grid is _____. What is the imperfect unsharp shadow caused by size of the focal spot replaces the terms penumbra and geometric unsharpness. Conditions which can reduce contrast in a general radiographic image include.

KVp of the exposure. The amount of contrast in a radiograph can be affected by. Low light level is desirable 3.

Geometric unsharpness will be least obvious at long SIDs. Cassette front material can be made of which of the followingCarbon fiber Magnesium Lead. Geometric blur can be evaluated using all the following devices except.

Magnification radiographic contrast focal spot blur motion blur absorption blur and optical density. This is most likely a result of. Reduce exposure factors by one-half to ensure minimal scatter and off-focus radiation.

The following isare true statements regarding viewing conditions for digital images 1. Determines beam quantity- mAs is the key factor in the control of OD. Penumbra blur is greatest at the cathode end.

Four ways to reduce motion blur. In addition the patients back is 3 from the bucky. The quantity of scattered radiation reaching the IR can be reduced through the use of.

Answer D With both absorption and variable costing methods selling expenses are period costs or expensed in the accounting period in which they are incurred. Determine the size of the kidneys on the radiograph. The kidneys lie 4 from the back of the patients body.

Causes of grid cutoff when using focused reciprocating grids include the following. Geometric blur can be evaluated using all the following devices except A. Is determined by the size shape and xray attenuating characteristics of the anatomy that is being examined and the energy of the xray beam.

A lower grid ratio will result in _____ latitude with regard to the effects of. Differential absorption is dependent on all of the following EXCEPT _____. Carbon fiber Magnesium.

Which of the following are methods of limiting the production of scatter radiation. We can consequently use the following formula to compare the absorptions due to lead Z 82 and typical atoms in soft body tissues Z 74. At which end is penumbra blur greatest at the Anode end or Cathode end.

It also affects contrast. Voluntary movement of muscleslimbs and involuntary motion of heartlungs Use of intensifying screens decreases patient dose by a factor of ___.

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