96. Which of the following statements is not correct about MR Contrast?

(A)
(0)

(0)
(0)

Gd-DTPA was the first IV contrast agent approved for the human use

Gadolinium has the large magnetic moment related to its 7 unpaired orbital
electrons

Gadolinium is excreted rapidly by glomerular filtration

Gadolinium at any concentration primarily affects T1 relaxation

97. Which of the following statements is not correct about HRCT techniques?

(A)
(0)
(0)
(0)

Thin sections in MDCT ranges from 0.625 to 1.25 mm
Primarily uses large FOV
Uses 100-200 mAs

Uses high spatial frequency or sharpening algorithm (Bone algorithm) for
reconstruction

98. Which of the following statements is not correct about Fluroscopy and fluorography?

(A)
(0)
(0)

(0)

Images have relatively high signal to noise ratio
Uses 0.5-5mA

Digital fluoroscopy uses flat panel detectors instead of x ray image intensifiers
and video camera

Fluorography uses pulsed x ray exposures to form x ray images

99. Which of the following statements is not correct about pediatric radiography?

(A)
(0)
(0)

(0)

Uses short exposure times and high mA
Grids should be used only when body part examined is greater than 10 cm

Adequate inspiration will be with right hemidiaphragm at the level of 7 rib
posteriorly

Films taken at expiration shows tracheal kink towards right side

100. Which of the following statements is not correct about lymphangiogram?

109/2022

(A)
(0)
(0)
(0)

Lymphography is useful when CT examination is negative
Dye used is Lipiodol
Early x rays will readily demonstrate lymphatics and not lymph nodes

X ray chest is taken to visualize mediastinal nodes

18 A