NMTCB CT Board Exam Questions with
Complete Solutions
CBF - Answer-cerebral blood flow
50-60 mL / 100 g / min
CBV - Answer-cerebral blood volume
4-5 mL / 100 g
platelet count - Answer-140k-440k per uL of blood
INR - Answer-International Normalized Ratio
0.8-1.2
PTT - Answer-partial thromboplastin time
25-35 seconds
BUN - Answer-7-25 mg / dL
creatinine - Answer-0.5-1.5 mg / dL
GFR (men) - Answer-70 +/- 14
GFR (women) - Answer-60 +/- 10
PT - Answer-prothrombin time
12-15 seconds
max IV contrast for a child shouldn't exceed - Answer-3 mL / kg of body weight
excretion half-life of IV contrast - Answer-1-2 hours
barium sulfate concentration - Answer-1-3%
water-soluble oral contrast for abdomen/pelvis should contain ________% iodine -
Answer-2-5
high-osmolar contrast = _________ mOsm / kg of water - Answer-1000-2400
risk factors for contrast-induced nephrotoxicity (CIN) - Answer-diabetes
myoloma
cardiac disease
advanced age
, hepatic contrast enhancement phases - Answer-arterial phase
portal/hepatic venous phase
equilibrium phase
delayed phase
arterial phase of hepatic contrast enhancement - Answer-25-35 seconds
hypervascular tumors
portal/hepatic venous phase of hepatic contrast enhancement - Answer-60-70 seconds
hypovascular lesions & masses
equilibrium phase of hepatic contrast enhancement - Answer-2-3 minutes
delayed phase of hepatic contrast enhancement - Answer-5-20 minutes
hemangioma
kidney contrast enhancement phases - Answer-corticomedullary phase
nephrographic phase
excretory phase
corticomedullary phase of kidney contrast enhancement - Answer-30-40 seconds
renal cortex & renal veins
nephrographic phase of kidney contrast enhancement - Answer-70-90 seconds
parenchymal lesions
excretory phase of kidney contrast enhancement - Answer-3-5 minutes
renal pelvis, ureters, bladder
disc soft center - Answer-nucleus pulposus
disc firm outer - Answer-annulus fibrosus
normal liver = ______ HU greater than spleen - Answer-10
retroperitoneal organs - Answer-duodenum
pancreas
adrenal glands
kidneys
ureters
bladder
CBF = - Answer-CBV x MTT
iliac arteries bifurcate at - Answer-L5-S1
Complete Solutions
CBF - Answer-cerebral blood flow
50-60 mL / 100 g / min
CBV - Answer-cerebral blood volume
4-5 mL / 100 g
platelet count - Answer-140k-440k per uL of blood
INR - Answer-International Normalized Ratio
0.8-1.2
PTT - Answer-partial thromboplastin time
25-35 seconds
BUN - Answer-7-25 mg / dL
creatinine - Answer-0.5-1.5 mg / dL
GFR (men) - Answer-70 +/- 14
GFR (women) - Answer-60 +/- 10
PT - Answer-prothrombin time
12-15 seconds
max IV contrast for a child shouldn't exceed - Answer-3 mL / kg of body weight
excretion half-life of IV contrast - Answer-1-2 hours
barium sulfate concentration - Answer-1-3%
water-soluble oral contrast for abdomen/pelvis should contain ________% iodine -
Answer-2-5
high-osmolar contrast = _________ mOsm / kg of water - Answer-1000-2400
risk factors for contrast-induced nephrotoxicity (CIN) - Answer-diabetes
myoloma
cardiac disease
advanced age
, hepatic contrast enhancement phases - Answer-arterial phase
portal/hepatic venous phase
equilibrium phase
delayed phase
arterial phase of hepatic contrast enhancement - Answer-25-35 seconds
hypervascular tumors
portal/hepatic venous phase of hepatic contrast enhancement - Answer-60-70 seconds
hypovascular lesions & masses
equilibrium phase of hepatic contrast enhancement - Answer-2-3 minutes
delayed phase of hepatic contrast enhancement - Answer-5-20 minutes
hemangioma
kidney contrast enhancement phases - Answer-corticomedullary phase
nephrographic phase
excretory phase
corticomedullary phase of kidney contrast enhancement - Answer-30-40 seconds
renal cortex & renal veins
nephrographic phase of kidney contrast enhancement - Answer-70-90 seconds
parenchymal lesions
excretory phase of kidney contrast enhancement - Answer-3-5 minutes
renal pelvis, ureters, bladder
disc soft center - Answer-nucleus pulposus
disc firm outer - Answer-annulus fibrosus
normal liver = ______ HU greater than spleen - Answer-10
retroperitoneal organs - Answer-duodenum
pancreas
adrenal glands
kidneys
ureters
bladder
CBF = - Answer-CBV x MTT
iliac arteries bifurcate at - Answer-L5-S1
