Unit 3 Med- // //
Surg /
Cardiac
/ /
Assessment Exam Questions With Correct Answers
/ // // // // //
Three //layers //of //the //heart //- //CORRECT //ANSWERS(S)✔✔*Endocardium*
*Myocardium*
*Epicardium*
The //normal //heart //weighs //- //CORRECT //ANSWERS(S)✔✔10.6 //oz.
Thin //fibrous //sac //that //surrounds //the //heart //- //CORRECT //ANSWERS(S)✔✔*Pericardium*
Pericardium /
/is /
/divided /
/into /
/two /
/layers /
/called //- /
/CORRECT /
/ANSWERS(S)✔✔*Visceral /
/Pericardium*, //the //layer //closest //to //the //heart, //adhering //to //the //epicardium. //
*Parietal //Pericardium*, //the //outer //most //layer //of //fibrous //tissue //encasing //the //heart.
The /
/space /
/between /
,////////////////////////////////////////////////////
/the /
/visceral /
/and /
/parietal /
/pericardium /
/is /
/normally /
/occupied /
/by /
/about //- /
/CORRECT /
/ANSWERS(S)✔✔20 /
/mL /
/of //fluid //which //lubricates //the //surface //of //the //heart //and //reduces //friction //during //systole.
Right /
/side /
/of /
/heart //is //part //of //the //- //CORRECT //ANSWERS(S)✔✔pulmonic //circuit, //and //has //low //pressures
Left /
/side /
/of /
/the /
/heart //is //part //of //the //- //CORRECT //ANSWERS(S)✔✔systemic //circuit, //and //has //high //pressures.
S1 //sound //is //produced //by //- //CORRECT //ANSWERS(S)✔✔closure //of //AV //valves.
S2 /
/sound /
/is /
/produced /
/by //- //CORRECT //ANSWERS(S)✔✔closure //of //the //Aortic //and //Pulmonic //semilunar //valves
,////////////////////////////////////////////////////
Diastole /
/refers /
/to //- /
/CORRECT /
/ANSWERS(S)✔✔the //relaxation //phase //of //the //cardiac //cycle, //where //all //for //chambers //relax.
Systole /
/refers /
/to //- /
/CORRECT /
/ANSWERS(S)✔✔the /
/sequence /
/of /
/*atrial /
/contraction* /
/followed //by //*ventricular //contraction* //that //moves //blood //through //and //out //of //the //heart.
Normal //Resting //heart //rate //is //approximately //- //CORRECT //ANSWERS(S)✔✔60-
80 //beats //per //minute.
Four //chamber //of //the //heart //include //- //CORRECT //ANSWERS(S)✔✔Right //Atrium.
Right //Ventricle.
Left //Atrium.
Left //Ventricle.
Atrio-ventricular //valves //include //- //CORRECT //ANSWERS(S)✔✔Tricuspid.
Bicuspid.
Tricuspid /
/Valve //- //CORRECT //ANSWERS(S)✔✔separates //the //Right //Atrium //from //the //Right //Ventricle.
, ////////////////////////////////////////////////////
Bicuspid /
/Valve //- //CORRECT //ANSWERS(S)✔✔separates //the //Left //Atrium //from //the //left //Ventricle.
Semilunar //valves //include //- //CORRECT //ANSWERS(S)✔✔Pulmonic //valve.
Aortic //valve.
Pulmonic /
/Valve //- //CORRECT //ANSWERS(S)✔✔separates //Right //Ventricle //from //Pulmonary //Artery.
Aortic //Valve //- //CORRECT //ANSWERS(S)✔✔separates //the //Left //Ventricle //from //the //Aorta.
Coronary /
/Arteries /
/arise //from //- //CORRECT //ANSWERS(S)✔✔Aorta //near //the //origin //of //the //Left //Ventricle.
*Left /
/Coronary /
/Artery* /
/and //its //branches //supply. //- //CORRECT //ANSWERS(S)✔✔the //*Anterior* //and //*Lateral* //wall.
The //Left //Coronary //Artery //is //divided //into //- //CORRECT //ANSWERS(S)✔✔*Left //Main* //aka //the
//widowmaker //(LM).
*Left //Anterior //Descending* //(LAD).
*Circumflex* //(Circ.)
The //*Right //Coronary //Artery* //supplies //- //CORRECT //ANSWERS(S)✔✔the //*Inferior //Wall*.
The /
/Right /