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BIO 669 EXAM 2 QUESTIONS AND VERIFIED ANSWERS|
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BIO 669 EXAM 2 QUESTIONS AND VERIFIED ANSWERS|
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BIO 669 EXAM 2 QUESTIONS ANDVERIFIED ANSWERS|
Thromboangiitis,obliterans,(Buergers,disease),is,an,autoimmune,condition,that,is:
a.,A,result,of,over,activation,of,the,intrinsic,and,extrinsic,clotting,system,systemically
b.,Characterized,by,attacks,of,vasospasm,in,the,small,arteries,and,arterioles,of,the,fingers,a
nd,toes
c.,Strongly,associated,with,smoking
d.,Associated,with,janeway,lesions,and,Oslers,Nodes,-,ans--
c.,Strongly,associated,with,smoking
Which,of,the,following,is,not,a,systemic,disease,that,is,associated,with,Raynaud's,Phenome
non?
a.,Congestive,heart,failure
b.,Collagen,vascular,diseases,such,as,scleroderma
c.,Pulmonary,hypertension
d.,Myxedema,or,smoking,-,ans--a.,Congestive,Heart,Failure
Which,of,the,following,is,NOT,a,primary,factor,in,determining,preload?
a.,Venous,return,during,diastole
b.,End,systolic,volume
c.,Total,peripheral,(systemic),resistance
,d.,All,of,the,above,are,primary,factors,of,preload,-,ans--c.,Total,peripheral,
(systemic),resistance
Which,of,the,following,statements,are,INCORRECT
a.,The,mean,arterial,pressure,is,the,average,force,of,pushing,blood,through,the,systemic,cir
cuit.
b.,The,pulse,pressure,is,the,difference,between,systolic,and,diastolic,pressures
c.,A,decrease,in,aortic,compliance,increases,its,stiffness,and,thus,can,lead,to,an,increase,in,
pulse,pressures
d.,Prostacyclins,,which,are,diminished,by,NSAIDs,,are,vasoconstrictors.,-,ans--
d.,Prostacyclins,,which,are,diminished,by,NSAIDS,,are,vasoconstrictors
Which,of,the,following,is,incorrect,regarding,the,isometric,contraction,phase,of,the,cardiac,c
ycle?
a.,Blood,does,not,flow,through,the,heart,at,this,time.
b.,The,atria,are,contracting
c.,The,valves,are,closed
d.,It,occurs,during,ventricular,systole,-,ans--b.,The,atria,are,contracting
The,resistance,of,movement,of,blood,from,the,left,ventricle,to,the,aorta,is,termed,the:
a.,Ejection,fraction
b.,Compliance
c.,Preload
d.,Afterload,-,ans--d.,Afterload
Natriuretic,peptides,act,by:
a.,Stimulates,secretion,of,Na+,(and,thus,decreases,urine,volume),from,the,kidneys
b.,Stimulated,the,release,of,Na+,(thus,increases,urine,volume),from,the,kidneys
c.,Increases,vascular,smooth,muscle,contraction,(vasoconstriction)
,d.,Stimulates,increased,heart,rate,,contractility,,and,cardiac,output,-,ans--
b.,Stimulate,the,release,of,Na+,(thus,increasing,urine,volume),from,the,kidneys
The,double,layered,serous,membrane,surrounding,the,heart,that,functions,to,minimize,fricti
on,from,the,heart,movement,is,the:
A.,Myocardium
B.,Endocardium
C.,Peritoneum
D.,Pericardium,-,ans--D.,Pericardium
Prinzmetal,angina,is:
a.,A,transient,ischemia,of,the,myocardium,that,occurs,unpredictably
b.,Myocardial,ischemia,that,may,not,cause,detectable,symptoms
c.,Ischemia,that,occurs,after,a,predictable,amount,of,exercise
d.,The,rupture,of,an,unstable,plaque,-,ans--
a.,A,transient,ischemia,of,the,myocardium,that,occurs,unpredictably
Progressive,venous,distension,of,the,head,and,upper,extremities,resulting,from,growth,of,a,
cancerous,tumor,on,the,right,mainstem,bronchus,is,best,described,clinically,by:
A.,Deep,vein,thrombosis
B.,Spinal,shock
C.,Superior,vena,cava,syndrome
D.,Carcinoid,syndrome,-,ans--C.,Superior,Vena,Cava,Syndrome
The,most,common,cause,of,aneurysm,is:
A.,External,Hematoma
B.,Atherosclerosis,with,hypertension
C.,Genetics
D.,Congestive,heart,failure,-,ans--B.,Atherosclerosis,with,hypertension
, An,atherosclerotic,area,that,has,ruptured,is,termed,a:
A.,Fibrous,plaque
B.,Complicated,plaque
C.,Fatty,streak
D.,Aneurysm,-,ans--B.,Complicated,plaque
The,PR,Interval,represents,the,time,from:
A.,The,onset,of,atrial,systole,to,the,completion,of,atrial,diastole
B.,The,onset,of,atrial,systole,to,the,onset,of,ventricular,diastole
C.,The,onset,of,atrial,systole,to,the,onset,of,ventricular,diastole
D.,The,onset,of,atrial,systole,to,the,onset,of,ventricular,systole,-,ans--
D.,The,onset,of,atrial,systole,to,the,onset,of,ventricular,systole
The,circumflex,artery,off,of,the,left,coronary,artery:
A.,Left,atrium,and,ventricle
B.,The,two,atria
C.,The,two,ventricles
D.,The,aorta,and,the,pulmonary,artery,-,ans--A.,Left,atrium,and,ventricle
The,structures,that,connect,the,leaflets/
cusps,and,help,to,prevent,prolapse,of,the,AV,valves,is,the:
A.,Chordae,tendineae,and,papillary,muscles
B.,Cardiomyocytes
C.,Interventricular,septum
D.,Coronary,ostia,-,ans--A.,Chordae,tendineae,and,papillary,muscles
Hypertensive,crisis,(malignant,hypertension),is,best,defined,as:
A.,An,advancing,failure,of,systemic,circulation,as,the,heart,weakens
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