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34 Cards in this Set
- Front
- Back
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At rest, how much blood does an adult heart pump per minute?
A. 4.0 L/min B. 5.0 L/min C. 40 L/min D. 50 L/min |
B. 5.0 L/min (See pg. 127)
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What are the two lower chambers of the heart called?
A. Atria B. Ventricles C. Aortas |
B. Ventricles (See pg. 127)
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What is the correct sequence for the pathway of blood beginning at the Superior & Inferior Vena Cava?
A. Right atrium, right ventricle, pulmonary valve, left ventricle, left atrium, aortic valve, aorta B. Right ventricle, right atrium, pulmonary valve, left atrium, left ventricle, aortic valve, aorta C. Right atrium, right ventricle, aortic valve, aorta, left atrium, left ventricle, pulmonary valve D. Right atrium, tricuspid valve, right ventricle, pulmonary valve, left atrium, mitral valve, left ventricle, aortic valve, aorta E. Right atrium, mitral valve, right ventricle, pulmonary valve, left atrium, tricuspid valve, left ventricle, aortic valve, aorta |
D. Right atrium, tricuspid valve, right ventricle, pulmonary valve, left atrium, mitral valve, left ventricle, aortic valve, aorta
(See pg. 127) |
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Which layer of the heart is most thick?
A. Endocardium B. Epicardium C. Exocardium D. Myocardium |
D. Myocardium (See pg. 127)
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Where is the Sinoatrial node (SA node or pacemaker) located?
A. Posterior wall of right atrium B. Anterior wall of left atrium C. Lower right interatrial septum D. Anterior wall of left ventricle |
A. Posterior wall of right atrium (See pg. 128)
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T/F: Body temperature can alter the heartbeat rate.
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True. Sympathetic & parasympathetic impulses, hormones, body temperature, exercise and emotions can all alter the heartbeat rate.
(See pg. 128) |
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What option below is associated with the term "systole"?
A. A point in the heartbeat where the atria and ventricles are relaxed B. A phase of contraction C. The second heart sound, "dub" D. B & C |
B. A phase of contraction (See pg. 129)
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In mid-diastole . . .
A. The atria and ventricles are relaxed, tricuspid and mitral valves are open, the aortic and pulmonary valves are closed B. The atria contract and pump the additional 20-35% of the blood into the ventricles C. The pressure in the ventricles exceeds atrial pressure and the two AV valves close causing the first sound, "lub" D. The pulmonary and aortic valves close, causing the second heart sound, "dub" |
A. The atria and ventricles are relaxed, tricuspid and mitral valves are open, the aortic and pulmonary valves are closed (See pg. 129)
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Which cardiac event is associated with the first heart sound, "lub"?
A. Mid-diastole B. Atrial systole C. Ventricular systole D. Early diastole |
C. Ventricular systole (See pg. 129)
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What happens in the isovolumetric ventricular contraction phase?
A. Ventricles contract and pump the additional 20-35% of the blood out of the ventricles B. All four heart valves are closed C. Ventricle contraction forces the pulmonary and aortic valves to open, causing blood to flow into the lungs and distal parts of the body |
B. All four heart valves are closed (See pg. 129)
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Under normal resting conditions, pressure reaches ____mmHg on the right side, and ____mmHg on the left.
A. 15, 100 B. 24, 120 C. 42, 120 D. 100, 15 |
B. 24, 120 (See pg. 129)
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What is stroke volume?
A. The volume of blood left in either ventricle at the end of systole B. Typically 30-50 mL C. The total volume of blood ejected from the heart at the end of systole D. The volume of blood ejected from either ventricle |
D. The volume of blood ejected from either ventricle (See pg. 129)
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Approximately how much blood remains in either ventricle at the end of systole?
A. 30-50 mL B. 70-80 mL C. 80-95 mL D. A baker's dozen |
A. 30-50 mL (See pg. 129)
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How is pulse pressure calculated?
A. Systolic pressure minus Diastolic pressure B. Diastolic pressure minus Systolic pressure C. With an EKG machine D. Using the auscultatory method E. Number of twinkies consumed minus number of carrots eaten |
A. Systolic pressure minus Diastolic pressure (See pg. 130)
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If Jane's blood pressure is 110/60, what does 110 represent?
A. Diastolic pressure B. Systolic pressure C. Pulse pressure D. A symptom of Bradycardia |
B. Systolic pressure (See pg. 130)
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Choose the heart rate that corresponds with the A.V. node:
A. 30 - 40 bpm B. 50 - 60 bpm C. 70 - 80 bpm D. None of the above |
B. 50 - 60 bpm (See pg. 131)
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Jim sees his doctor for a routine check up. While there, he finds that his heart rate is 120 bpm. Which option best describes his condition?
A. Inotropia B. Bradycardia C. Tachycardia D. He is just fine--a normal heart rate is between 60 - 120 bpm E. Hopefully he has a good life insurance policy! |
C. Tachycardia (See pg. 131)
What is bradycardia? |
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Which term refers to the strength or force of a contraction?
A. Chronotropic B. Dromotropic C. Inotropic D. Digitalis |
C. Inotropic (See pg. 131)
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Which factor does NOT have a positive inotropic effect?
A. Sympathetic stimulation B. Frank Starling's Law of the heart C. Catecholamines D. The Fick Principle E. Xanthines |
D. The Fick Principle (See pgs. 131 & 132)
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What function does norepinephrine have on the heart?
A. Increases the permeability of Na+ B. Increases the permeability of Ca++ C. Increases the permeability of K+ D. A & B E. All of the above |
D. A & B (See pg. 131)
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If the average person's heart rate is 72 bpm, and the stroke volume (SV) is 80 mL/beat, what is the cardiac output (CO)?
A. 4326 mL/min B. 1.1 mL/min C. 5760 mL/min D. 5.2 L/min |
C. 5760 mL/min (See pg. 132)
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Using the following data, calculate the cardiac output (CO):
- O2 consumption = 250 mL/min - AO2 = 190 mL/L of arterial blood - VO2 = 140 mL/L of venous blood A. 200 mL/min B. 5000 mL/min C. 106 mL/min D. 132 mL/min |
B. 5000 mL/min (See pg. 132)
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Which will NOT cause abnormal cardiac rhythms?
A. Abnormal rhythms in the SA node B. Shift of pacemaker activity from SA node to to other parts of the heart C. Bradycardia myositis D. Blockage of impulses throughout the conduction system |
C. Bradycardia myositis (See pg. 133)
I just made this up!! |
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While shadowing a cardiologist, the Dr. asks you to interpret what is happening, electrically, in the heart during the P wave. Which would be the correct response?
A. The atria are depolarizing B. The ventricles are depolarizing C. The atria are repolarizing D. The ventricles are repolarizing |
A. The atria are depolarizing (See pg. 133)
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The cardiologist you are shadowing begins to hook a patient up to leads in order to view the patient's heart rhythms on an EKG. The Dr. places one lead on the left wrist and one lead on the left ankle. Which standard lead is the Dr. using?
A. Lead I B. Lead II C. Lead III D. Lead aVR |
C. Lead III (See pg. 134)
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In which limb lead is the positive electrode placed on the right wrist?
A. Lead I B. Lead II C. Lead III D. Lead aVR E. Lead aVL F. Lead aVF |
D. Lead aVR (See pg. 134)
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In which limb lead is the positive electrode placed on the left wrist, and the negative placed on the right wrist?
A. Lead I B. Lead II C. Lead III D. Lead aVR E. Lead aVL F. Lead aVF |
A. Lead I (See pg. 134)
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In which limb lead is the positive electrode placed on the left ankle, and the negative electrodes placed on the right and left wrist?
A. Lead I B. Lead II C. Lead III D. Lead aVR E. Lead aVL F. Lead aVF |
F. Lead aVF (See pg. 134)
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Using typical chest leads, v4-v6 are . . .
A. Mainly positive B. Mainly negative C. Mainly neutral |
A. Mainly positive (See pg. 135)
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Which abnormal EKG is characterized by a lack of P waves, a wide QRS complex, high voltage, and usually an inverted T wave?
A. Atrial Premature Beat B. AV Nodal Premature Beat C. Premature Ventricular Depolarization (PVD) D. SA Block E. AV Block |
C. Premature Ventricular Depolarization (PVD) (See pg. 136)
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Which abnormal EKG is characterized by a lack of P waves, a normal QRS complex?
A. Atrial Premature Beat B. AV Nodal Premature Beat C. Premature Ventricular Depolarization (PVD) D. SA Block E. AV Block |
B. AV Nodal Premature Beat (See pg. 136)
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In which abnormal EKG does the pacemaker temporarily stop for at least one complete cycle, then resume pacing?
A. Atrial Premature Beat B. AV Nodal Premature Beat C. Premature Ventricular Depolarization (PVD) D. SA Block E. AV Block |
D. SA Block (See pg. 137)
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Which abnormal EKG is characterized by the premature depolarization of the SA node?
A. Atrial Premature Beat B. AV Nodal Premature Beat C. Premature Ventricular Depolarization (PVD) D. SA Block E. AV Block |
A. Atrial Premature Beat (See pg. 136)
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Which abnormal EKG is characterized by prolonged PR intervals (0.2 to 0.3 sec)?
A. Atrial Premature Beat B. AV Nodal Premature Beat C. Premature Ventricular Depolarization (PVD) D. SA Block E. AV Block |
E. AV Block (See pg. 137)
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