FRCR MCQ --MAMMOGRAPHY

59.True regarding mammography unit-------

a.unit designed to produce x ray in the 15-20 keV uses molybdenum anode

b. .unit designed to produce x ray in the 15-20 keV uses berrylium window

c. unit designed to produce x ray in the 15-20 keV uses molybdenum  filter

d. unit designed to produce x ray in the 21-25 keV uses molybdenum anode 

e. unit designed to produce x ray in the 21-25 keV uses  berrylium anode  

ANS OF PREVIOUS BLOG

19.Myocardial perfusion scan uses 

a. ²⁰¹Tl (thallous chloride)--- K+ analogue indicating perfusion (ischaemic heart disease) (delayed uptake reflects viability)

b. ^99mTc isonitriles---Cationic complexes taken up by myocytes in proportion to blood flow

c. ^99mTc teboroxime---Lipophilic compound which accumulates by diffusion

d. ^99mTc phosphines----Uptake proportional to blood flow

e. ^99mTc red blood cells---Blood pool label