Bio 392 Final Exam (I-IV) 638 Complete Questions And
Answers | Verified Study Solutions Rated A+
Which chamber pumps oxygenated blood out the aorta to the systemic circuit?
A) right ventricle
B) left atrium
C) right atrium
D) left ventricle
D
Which chamber receives blood from the superior and inferior vena cavae?
A) left atrium
B) right atrium
C) right ventricle
D) left ventricle
B
The cardiac output is equal to
A) the product of heart rate and stroke volume.
B) the difference between the stroke volume at rest and the stroke volume during exercise.
C) )the difference between the end-diastolic volume and the end-systolic volume.
D) the stroke volume less the end-systolic volume.
E) the product of heart rate and blood pressure
A
During ventricular ejection
,A) the ventricles are in systole.
B) the AV valves are open
C) the P wave is just starting
D) the semilunar valves are closed
A
During ventricular systole
A) the ventricles are relaxed.
B) the AV valves are closed.
C) the atria are contracting
D) blood is entering the ventricles.
B
Match the following event(s) to the QRS complex in an ECG
A) atrial depolarization
B) SA node depolarization
C) ventricular repolarization
D) ventricular depolarization
D
Contraction of the atria results from which wave of depolarization on the ECG tracing?
A) T wave
B) QRS complex
C) P wave
,D) none of the above
C
The ejection phase (when blood is ejected from the ventricles) occurs (approximately) between which events
on the ECG tracing?
A) QRS complex and the T wave
B) P wave and the QRS complex
C) T wave and P wave
D) P wave, QRS complex and the T wave
A
On the Wiggers diagram match the following event to C:
A) mitral valve closes
B) mitral valve opens
C) aortic valve closes
D) end-diastolic volume
E) aortic valve opens
A
The second heart sound ('dub') is caused by
A) closing of AV valves
B) closing of semilunar valves
C) opening of semilunar valves
D) opening of AV valves
B
, The first heart sound ('lub') signals the onset of
A) ventricular systole
B) ventricular diastole
A
In the condition known as complete heart block, what happens?
A) atria will pump at a faster rate than the ventricles
B) ventricles and atria pump simultaneously
C) conduction in the Purkinje fibers is blocked, leading to weaker contractions at the apex of the ventricles
D) ventricles will pump at a faster rate than the atria
A
Due to the differences in opposing forces, there is net ________ occurring at the arteriolar end of most
capillaries, coupled with net ________ at the venous end.
A) absorption, filtration
B) filtration, absorption
B
Stroke volume is equal to
A) ESV
B) EDV
C) ESV-EDV
D) EDV-ESV
Answers | Verified Study Solutions Rated A+
Which chamber pumps oxygenated blood out the aorta to the systemic circuit?
A) right ventricle
B) left atrium
C) right atrium
D) left ventricle
D
Which chamber receives blood from the superior and inferior vena cavae?
A) left atrium
B) right atrium
C) right ventricle
D) left ventricle
B
The cardiac output is equal to
A) the product of heart rate and stroke volume.
B) the difference between the stroke volume at rest and the stroke volume during exercise.
C) )the difference between the end-diastolic volume and the end-systolic volume.
D) the stroke volume less the end-systolic volume.
E) the product of heart rate and blood pressure
A
During ventricular ejection
,A) the ventricles are in systole.
B) the AV valves are open
C) the P wave is just starting
D) the semilunar valves are closed
A
During ventricular systole
A) the ventricles are relaxed.
B) the AV valves are closed.
C) the atria are contracting
D) blood is entering the ventricles.
B
Match the following event(s) to the QRS complex in an ECG
A) atrial depolarization
B) SA node depolarization
C) ventricular repolarization
D) ventricular depolarization
D
Contraction of the atria results from which wave of depolarization on the ECG tracing?
A) T wave
B) QRS complex
C) P wave
,D) none of the above
C
The ejection phase (when blood is ejected from the ventricles) occurs (approximately) between which events
on the ECG tracing?
A) QRS complex and the T wave
B) P wave and the QRS complex
C) T wave and P wave
D) P wave, QRS complex and the T wave
A
On the Wiggers diagram match the following event to C:
A) mitral valve closes
B) mitral valve opens
C) aortic valve closes
D) end-diastolic volume
E) aortic valve opens
A
The second heart sound ('dub') is caused by
A) closing of AV valves
B) closing of semilunar valves
C) opening of semilunar valves
D) opening of AV valves
B
, The first heart sound ('lub') signals the onset of
A) ventricular systole
B) ventricular diastole
A
In the condition known as complete heart block, what happens?
A) atria will pump at a faster rate than the ventricles
B) ventricles and atria pump simultaneously
C) conduction in the Purkinje fibers is blocked, leading to weaker contractions at the apex of the ventricles
D) ventricles will pump at a faster rate than the atria
A
Due to the differences in opposing forces, there is net ________ occurring at the arteriolar end of most
capillaries, coupled with net ________ at the venous end.
A) absorption, filtration
B) filtration, absorption
B
Stroke volume is equal to
A) ESV
B) EDV
C) ESV-EDV
D) EDV-ESV
