NURS 2245 Exam 1 | Questions with 100% Verified Answers | Latest Update
Question: The passage of nutrients and oxygenated blood through the
body to the cells and the removal of cellular waste products
Answer:
Perfusion
Question: What 3 things influence perfusion?
Answer:
Pump, volume, vessels
Question: Modifiable risk factors for impaired perfusion
Answer:
-Smoking
-Elevated cholesterol
-Sedentary lifestyle
-Obesity
-Diabetes
-HTN
-Personality(type A and D's have more heart attacks)
Question: Unmodifiable risk factors for impaired perfusion
Answer:
-Age
-Gender
-Genetics
Question: What are the 3 separate systems of the heart that works
together in synchronization?
Answer:
-Mechanical (pump)
-Plumbing (blood flow)
-Electrical (Rhythm)
Question: Artery that perfuses the anterior portion of the left ventricle
and apex. Also known as the widow maker
Answer:
Left anterior descending artery (LAD)
, Question: Artery that affects the left atrium and posterior left ventricle
Answer:
Circumflex coronary artery
Question: Artery that perfuses the right atrium, right ventricle and and
inferior left ventricle
Answer:
Right coronary artery
Question: What starts the conduction system of the heart?
Answer:
SA node
Question: Electrical pathway of the heart
Answer:
SA node --> AV node --> Bundle of His --> Left and right bundle branches --> Purkinje fibers
Question: The function of the heart is to maintain ______ to all cells in
the body under various conditions
Answer:
Perfusion
Question: The Sympathetic nervous system (increases or decreases):
HR- Rate of conduction- Contraction strength-
Answer:
HR- Increases Rate of conduction- Increases Contraction strength- Increases
Question: The Parasympathetic nervous system (increases or
decreases):
HR- Rate of conduction- Contraction strength-
Answer:
HR- Decreases Rate of conduction- Decreases Contraction strength- Decreases
Question: The amount of blood pumped from the left ventricle per
minute
Answer:
Cardiac Output
Question: The passage of nutrients and oxygenated blood through the
body to the cells and the removal of cellular waste products
Answer:
Perfusion
Question: What 3 things influence perfusion?
Answer:
Pump, volume, vessels
Question: Modifiable risk factors for impaired perfusion
Answer:
-Smoking
-Elevated cholesterol
-Sedentary lifestyle
-Obesity
-Diabetes
-HTN
-Personality(type A and D's have more heart attacks)
Question: Unmodifiable risk factors for impaired perfusion
Answer:
-Age
-Gender
-Genetics
Question: What are the 3 separate systems of the heart that works
together in synchronization?
Answer:
-Mechanical (pump)
-Plumbing (blood flow)
-Electrical (Rhythm)
Question: Artery that perfuses the anterior portion of the left ventricle
and apex. Also known as the widow maker
Answer:
Left anterior descending artery (LAD)
, Question: Artery that affects the left atrium and posterior left ventricle
Answer:
Circumflex coronary artery
Question: Artery that perfuses the right atrium, right ventricle and and
inferior left ventricle
Answer:
Right coronary artery
Question: What starts the conduction system of the heart?
Answer:
SA node
Question: Electrical pathway of the heart
Answer:
SA node --> AV node --> Bundle of His --> Left and right bundle branches --> Purkinje fibers
Question: The function of the heart is to maintain ______ to all cells in
the body under various conditions
Answer:
Perfusion
Question: The Sympathetic nervous system (increases or decreases):
HR- Rate of conduction- Contraction strength-
Answer:
HR- Increases Rate of conduction- Increases Contraction strength- Increases
Question: The Parasympathetic nervous system (increases or
decreases):
HR- Rate of conduction- Contraction strength-
Answer:
HR- Decreases Rate of conduction- Decreases Contraction strength- Decreases
Question: The amount of blood pumped from the left ventricle per
minute
Answer:
Cardiac Output
