Exam #2 (NUR207) Questions With Correct
Answers
Arrange in sequence from first to last these structures in the conduction pathway:
AV Node/SA Node/Purkinje Fibers/Bundle Branches - answerSA Node, AV Node, Bundle
Branches, Purkinje Fibers
The renin-angiotensin-aldosterone system increases or de...
Arrange in sequence from first to last these structures in the conduction pathway:
AV Node/SA Node/Purkinje Fibers/Bundle Branches - answer✔SA Node, AV Node, Bundle
Branches, Purkinje Fibers
The renin-angiotensin-aldosterone system increases or decreases blood pressure? -
answer✔Increases
Mr. Clark reports "bouts of pain in my chest whenever I walk up to the top floor (two flights)to
go to bed, but the pain stops just about as soon as I stop." He also reports, "I never have pain at
rest, and the pain episodes have not gotten worse over the past month." Based on this description
you would suspect stable or unstable angina - answer✔Stable
Ventricular muscle walls thicken and stiffen, resulting in decreased volume for diastolic filling. -
answer✔Hypertrophic
Ventricle walls become rigid, limiting their filling and stroke volume. - answer✔Restrictive
The most common cause of sudden death in young persons - answer✔Hypertrophic
Pericardial fluid acts as a lubricant that prevents _______________ forces from developing as
the heart contracts and relaxes - answer✔Friction
This type of heart failure systolic dysfunction or diastolic dysfunction leads to decreased filling -
answer✔Diastolic dysfunction
Which reading on the lipid panel is not normal?
D. Triglycerides 100 - answer✔C. Total Cholesterol 250
True or False: The left side of the heart pumps blood to the lungs. - answer✔False
True or False: The loose-fitting sac surrounding the heart is called the myocardium? -
answer✔False
True or False: The rhythmic impulse of the cardiac conduction system is generated at the AV
node and is known as the pacemaker of the heart - answer✔False
The ______ period of the cardiac cycle is marked by ventricular relaxation and filling.
A. Diastolic
B. Systolic
C. Cardiac Output
D. Peripheral vascular resistance - answer✔A. Diastolic
Heart valve that controls the direction of blood flow from the right atrium to the right ventricle is
called the ______________ valve - answer✔Tricuspid
Heart valve that controls the direction of blood flow from the left atrium to the left ventricle is
called the ___________ valve? - answer✔Mitral
Pericarditis represents an inflammatory process in which layer of the heart? -
answer✔Pericardium
___________ refers to an insufficient closure of the valves, allowing blood to flow in both
directions. _______________ refers to a narrowing of the valve, allowing blood to back up in the
chamber before the valve - answer✔Regurgitation; Stenosis
Which statement made by a patient would alert the nurse to the possibility of right-sided heart
failure?
B. "I sleep with four pillows at night."
C. "I wake up coughing every night."
D. "I have trouble catching my breath." - answer✔A. "My shoes fit really tight."
Which of the following electrolytes is most likely to cause an electrical alteration?
A. Magnesium
B. Potassium
C. Phosphorous
D. Chloride - answer✔B. Potassium
What is the pacemaker of the heart?
A. AV node
B. SA node
C. Purkinje fibers
D. Bundle of His - answer✔B. SA node
Represents repolarization of ventricles on EKG.
A. T Wave
B. QRS Complex
C. P Wave
D. ST segment - answer✔A. T Wave
A patient with a tricuspid valve disorder will have impaired blood flow between the
A. Vena cava and right atrium
B. Left atrium and left ventricle
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