Science Quiz / Physical Activity and Health

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chylomicrons have 45 times the affinity for LPL than VLDLs1999
training decreases blood pressure via decreased sympathetic nerve activity1994
exercising 12 hours before a high fat meal gives the greatest benefit to lipaemic respone1998
VLDLs transfer cholesterol to LDL and HDL... LDLs are hydrolised and become smaller and denser while HDLs are catabolised by the kindneys1990
training decreases CETP1993
exercise is better than diet at maintaining weight loss1989
exercise causes hypoglycaemia which increase cortisol. cortisol increases IL10 and inhibits IL121997
training increases eNOS expression and thus basal NO2001
TNF alpha causes decreased GLUT4 translocation2000
eating carbohydrates prevents the increase in cortisol2006
ERSCD in old caused by plaque rupture... plaque rupture caused by increased macroghage and lipid content of plaque and decreased smooth muscle content1993
50% increase in statin use from 1997 to 20022004
people sit too much and should do more non-exercise physical activity2008
training causes lower total cholesterol, LDL cholesterol and circulating TG and higher HDL cholesterol1999
high cholesterol, high fasting glucose, smoking, low fitness and hypertension increase mortality1996
leptin injection decreases energy intake and decreases fat mass but not free fat mass1999
neutrophils have a biphasic response to intense acute exericse. lymphocytes have a monophasic response1992
acute exercise increases plasminogen activator2001
wieght loss increases ghrelin2003
exercise increases adiponectin2006
macrophages consume cholesterol from LDL and VLDLs1990
HDL inhibits adhesion molecules1998
the number of insulin receptors does not change in humans with training... autophosphorylation of insulin receptors and IRS-1 increases with training1993
trained people have higher IMTG than untrained as they use fat as a fuel2001
increased activity = decreased occurance of T2DM1994
walking decreases the lipaemic response for 15 hours2008
exercise and insulin work together to produce maximum GLUT4 translocation... exercise increases AS160 phosphorylation and thus insulin-stimulated GLUT4 translocation2009
training decreases neutrophil count and phagocytic capacity1996
training decreases apoB2004
coronary heart disease is decreased in bus conductors compared to drivers1953
ox-LDL is a strong stimulant for white blood cell adhesion1990
smoking and inactivity carry the same risk1996
LPL is high following a normally fatty meal in active rats but not inactive rats2006
exercise increases glucose uptake independent of insulin or insulin signalling1995
healthy life and life expectancy are diverging2006
ApoA makes LDL resistant to oxidation2000
obesity = decreased adiponectin = decreased AMPK = decreased fat oxidation in muscles1999
travel by foot has decreased by 25%, travel by bike has decreased 33%, travel by car has increased by 70% since 19762002
this benefit is gone after 24 hours2004
increased TG = increased coronary heart disease2007
lipids and TNF alpha increase serine phosphorylation of IRS-1. Thus IP3K is not activated = no eNOS activation2003
obesity = decreased insulin sensitivity and signalling1995
exercise+diet and exercise alone are better than diet alone at maintaining weight loss1996
sIgA predicted URTI occurance in swimmers2000
high apoB-apoA ratio increases the thickness of vessel walls and causes atherosclerosis2004
ghrelin is switched off by insulin2001
increased exercise intensity = decreased energy intake1997
PYY injection decreases energy intake2002
the colder the exercise environment, the higher the ghrelin2005
exercise decreases ghrelin and increases PYY2009
increased exercise intensity = decreased clotting time2003
exercise prevents muscle loss during weight loss1991
pie charts showing causes of exercise related sudden cardiac death1999
acute exercise decreases plassminogen activator inhibitor2001
ox-LDL and ox-VLDL increase macrophage protein migration and monocyte chemotaxis in rabbits1997
guidelines for avoiding ERSCD1995; 2004
weight loss decreases leptin2009
increased walking speed = decreased coronary heart disease1990
energy intake decreased from 1976 to 20042004
diabetes and CVD carry the same risk of death... the two together carry 5x the risk of having neither2001
obestiy = increased fatty acid metabolites in muscle = increased PKC theta = increased serine phosphorylation of IRS-12000
fitness is more important than activity when battling cardiovascular disease1989
obesity and inactivity are not decreasing2003
runners have lower cholesterol and higher HDL than controls1996
training increases LPL gene expression1994
exercise decreases glycogen which increases IL6 in muscles. IL6 increases IL10 which increases the TH2 response2001
increased intensity = increased platelet count1995
fat and sautrated fat intake decreased from 1988 to 19992003
exercise = increased hydroxybutyrate = decreased VLDL secretion2000
increased insulin causes vasconstriction in the absence of NO2002
exercise does not decrease ghrelin2007
exercise DOES decrease ghrelin2007

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