NUR170: Exam 4 Perfusion Review
Questions with Verified Correct
Answers Delaware Technical &
Community College
Premium Online Exam & Class Management Services
Professional • Confidential • Reliable • Results-Oriented
WHY STUDENTS CHOOSE US
Professional management of online classes
Support for proctored examinations
Assignment and coursework coordination
Quiz, test and assessment assistance
Fast communication and timely updates
Strict confidentiality and privacy
SERVICES OFFERED
✓ Online Class Management
✓ Proctored Exam Handling
✓ Weekly Discussion Participation
✓ Coursework Tracking
✓ Academic Scheduling Support
✓ Exam Preparation Guidance
, Preload - Answer: The amount of cardiac muscle fiber tension or
"stretch" that exists at the end of diastole
Influenced by venous return and compliance of ventricles
Factors affecting preload - Answer: -Volume: venous return,
total blood volume, atrial kick
-Compliance: stiffness and thickness of ventricular wall
Afterload - Answer: The force the ventricles must overcome to
eject their blood volume.
Factors affecting afterload - Answer: -blood/fluid volume
-compliance of vessels
-arterial vasoconstriction
-flow patterns
-infection/sepsis
-medications
First heart sound (S1) - Answer: -The "lub"
-Closure of AV valves when ventricles fill
Second heart sound (S2) - Answer: -The "dub"
-Closure of semilunar valves when ventricles empty blood into
aorta and pulmonary arteries
Questions with Verified Correct
Answers Delaware Technical &
Community College
Premium Online Exam & Class Management Services
Professional • Confidential • Reliable • Results-Oriented
WHY STUDENTS CHOOSE US
Professional management of online classes
Support for proctored examinations
Assignment and coursework coordination
Quiz, test and assessment assistance
Fast communication and timely updates
Strict confidentiality and privacy
SERVICES OFFERED
✓ Online Class Management
✓ Proctored Exam Handling
✓ Weekly Discussion Participation
✓ Coursework Tracking
✓ Academic Scheduling Support
✓ Exam Preparation Guidance
, Preload - Answer: The amount of cardiac muscle fiber tension or
"stretch" that exists at the end of diastole
Influenced by venous return and compliance of ventricles
Factors affecting preload - Answer: -Volume: venous return,
total blood volume, atrial kick
-Compliance: stiffness and thickness of ventricular wall
Afterload - Answer: The force the ventricles must overcome to
eject their blood volume.
Factors affecting afterload - Answer: -blood/fluid volume
-compliance of vessels
-arterial vasoconstriction
-flow patterns
-infection/sepsis
-medications
First heart sound (S1) - Answer: -The "lub"
-Closure of AV valves when ventricles fill
Second heart sound (S2) - Answer: -The "dub"
-Closure of semilunar valves when ventricles empty blood into
aorta and pulmonary arteries