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Nov 18, 2011
According to the 2009 ASNC “PET myocardial perfusion and metabolism clinical imaging”
 (p 20-21)
“Quantitative assessment of myocardial blood flow in absolute units (e.g., mL/min/gm tissue) has been well established in the literature with
____________”
“Quantification of myocardial blood flow with ____ has been more challenging because of its 75 second halflife resulting in noisy myocardial and blood pool time activity curves.”
a) Tc-99m and Tl-201 ; O-15 water
b) N-13 ammonia and Tl-201 ; O-15 water
c) Rb-82 and O-15 water ; N-13 ammonia
d) N-13 ammonia and O-15 water ; Rb-82

Nov 17, 2011
According to the 2009 ASNC “PET myocardial perfusion and metabolism clinical imaging”
 (p 11-12)
N-13 Ammonia in PET myocardial scanning is used for _______ imaging.   N-13 Ammonia “has a physical half-life of ____ ”  N-13 Ammonia use for PET “requires an on site ________”
a) perfusion ; 75 seconds ; generator
b) perfusion ; 10 minutes ; cyclotron
c) metabolic ; 75 seconds ; generator
d) metabolic ; 10 minutes ; cyclotron

Weekly Quiz For the General Public
Nov 16, 2011
November is “National Prematurity Awareness Month”  According to the CDC (Nov 2011), “some known risk factors for premature birth” include (among others):

a) “Carrying more than one baby (twins, triplets, quadruplets or more).” or “Having a previous preterm birth.”
b) Black race
c) Chronic health problems in the mother, such as high blood pressure, diabetes, and clotting disorders.” or “Certain infections during pregnancy.”
d) “Cigarette smoking, alcohol use, or illicit drug use during pregnancy.” or ANY OF THE ABOVE

Nov 16, 2011
According to the 2009 ASNC “PET myocardial perfusion and metabolism clinical imaging”
 (p 9-10)
Rb-82 in PET myocardial scanning is used for _______ imaging.  ________ thallium-201 it __ an “analog of potassium.”  “Rb-82 decays with a physical half-life of ____ ”  Rb-82 use for PET requires an on site ________.
a) perfusion ; Like ; is ; 75 seconds ; generator
b) perfusion ; Unlike ; is not ; 10 minutes; cyclotron
c) metabolic ; Like ; is ; 75 seconds ; generator
d) metabolic ; Unlike ; is not ; 10 minutes ; cyclotron

Nov 15, 2011
According to the 2009 ASNC “PET myocardial perfusion and metabolism clinical imaging”
 (p 13)
“For the evaluation of myocardial viability with FDG, the substrate and hormonal levels in the blood need to favor utilization of ________ by the myocardium. This is usually accomplished by loading the patient with _________ after a fasting period of at least 6 hours to induce an endogenous ________  response.”
a) glucose over fatty acids ; insulin ; glucose
b) glucose over fatty acids; glucose ; insulin
c) fatty acids over glucose ; glucose ; glucagon
d) fatty acids over glucose ; glucagon ; insulin

Nov 14, 2011
According to the 2009 ASNC “PET myocardial perfusion and metabolism clinical imaging”
 (p 12-13)
“Under fasting and aerobic conditions, ______ are the preferred fuel in the heart as they supply 65-70% of the energy for the working heart, and some 15-20% of the total energy supply comes from _______.”
“Therefore, in the setting of reduced oxygen supply, the myocytes compensate for the loss of oxidative potential by shifting toward greater utilization of ________ to generate high-energy phosphates.”
a) simple sugars ; long-chain fatty acids ; fatty acids
b) amino acids ; glucose ; glucose
c) long-chain fatty acids ; glucose ; glucose
d) long-chain fatty acids ; amino acids ; amino acids