Cardiac Hemodynamics Review Questions with complete Solutions Rated A+
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Course
Hemodynamics
Institution
Hemodynamics
Cardiac Hemodynamics Review Questions with complete Solutions Rated A+
CO - Answers SV x HR
Determinants of CO - Answers Preload, afterload, & contractility
Preload - Answers The pressure generated by the blood volume in the ventricle at the end of diastole
SV - Answers The volume of blood ejec...
Cardiac Hemodynamics Review Questions with complete Solutions Rated A+
CO - Answers SV x HR
Determinants of CO - Answers Preload, afterload, & contractility
Preload - Answers The pressure generated by the blood volume in the ventricle at the end of diastole
SV - Answers The volume of blood ejected with each heart beat
Afterload - Answers The amount of resistance the ventricles have to overcome when ejecting their
contents
Contractility - Answers The amt of force produced by the ventricle during systole
Which of the following would increase preload? - Answers A. Blood administration B. Beta blockers C.
CCB D. morphine (blood administration)
To open the aortic valve, the LV must generate enough pressure to overcome: - Answers Afterload
What is the significance of increase HR in the pt with CAD? - Answers Decreased diastolic filling time
Dusky skin, pale MM, decreased cap refill, rapid RR, tachycardia indicates a compromise in oxygenation
and what nursing problem/diagnosis? - Answers Ineffective tissue perfusion
Left anterior descending (LAD) artery supplies blood to which wall of the LV? - Answers Anterior wall of
LV
Circumflex artery most often supplies blood to which of the following walls of the LV? - Answers Lateral
wall of LV
Right coronary artery most often supplies blood to which wall of the LV? - Answers Inferior wall of LV
Main LCA contains which 2 arteries? - Answers LAD & Circumflex
Elevated cardiac enzymes generally occur in all of the following except: - Answers A. Pericarditis B.
Closed chest injury C. CHF D. Cardiac surgery (CHF DOES NOT TYPICALLY HAVE ELEVATED CARDIAC
ENZYMES)
Wha is the significance of S3 heart sounds in a pt greater than 40? - Answers May indicated HF
Presence of an ausculatory gap is significant in determination of: - Answers HTN
Appropriate cuff size for BP assessment is determined by: - Answers Bladder should cover 80% of the
arm & half the distance btw the shoulder and elbow
A MAP of 60 implies: - Answers Decreased perfusion to vital organs (MAP= > 70)
Normal MAP - Answers 70-100 mmHg
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