CCI Practice Exam
A Doppler finding in patients with patent ductus arteriosus would be: - Answer-Diastolic left to right flow
in the pulmonary artery
Which medium interface would you expect the strongest (brightest) echoes to occur? - Answer-Air/Skin
A congenital malformation where the septal leaflet of the tricuspid valve is displaced toward the apex of
the right ventricle is termed: - Answer-Ebsteins anomaly
In a patient with an ostium secundum defect of the heart, a step-up (increased concentration) of oxygen
saturation would be noted in the: - Answer-Right atrium
Which component is the metabolic component of acid base balance in the body? - Answer-Hco3
The stroke volume of an intact ventricle is directly influenced by all of the following except?
a. Preload
b. Afterload
c. Contractility
d. Age - Answer-Age
The factor that most strongly influences the speed at which an ultrasound wave travels through a
patients liver is the: - Answer-stiffness of the liver tissue
,________________ cannot travel through a vcuum - Answer-Sound
When evaluating an aortic valve for stenosis, caution must be taken not to underestimate the severity of
the stenosis in the presence of: - Answer-Mitral regurgitation
Frequency of sound is expressed in: - Answer-hertz
The methods used to decrease the build up of acid in a patient who is arresting are: - Answer-
Hyperventilation and sodium bicarbonate
The term opening snap is used to describe: - Answer-mitral stenosis
The mid systolic click is generally associated with: - Answer-Barlow's syndrome
What factors affect the pressure gradient across a valve? - Answer-Resistance to flow and proximal
chamber pressure
The pulmonary capillary wedge pressure most closely approximates _____________ pressures. -
Answer-LA and LVEDP
The most common ventricular septal defect is the: - Answer-perimembranous VSD
Untreated congestive heart failure could eventually lead to: - Answer-pulmonary HTN
The tension in the fibers of the ventricle after the onset of systole refers to: - Answer-afterload
,A direct result of mitral regurgitation is: - Answer-Left atrial enlargement
Wolff Parkinson's White syndrome is diagnosed on the ECG by the presence of a: - Answer-delta wave
The second heart sound is associated with: - Answer-closure of the aortic and pulmonic valves
A typical finding in the presence of aortic stenosis is: - Answer-Left ventricular hypertrophy
Ohms law describes the basic characteristics of electricity in a circuit; A principle that applies to all
electrical, medical and monitoring instruments. The formula is: - Answer-V=IxR
In what medium does sound travel the fastest? - Answer-bone
subcristal VSD's are also known as: - Answer-Subaotric VSD
A finding of coronary artery aneurysms on an echocardiogram of a child would be consistent with: -
Answer-Barlow's syndrome
The central venous pressure is a direct reflection of the: - Answer-right atrial pressure
In the normal functioning heart, the end diastolic volume is determined by what major factors? -
Answer-Diastolic filling pressure, total blood volume and atrial systole
The amount of refraction is most strongly influenced by the relative ____________ on either side of the
interface. - Answer-acoustic impedance
Regions of decreased particle density as seen on ultrasound refers to: - Answer-rarefraction
, The _________ is independent of the frequency and intensity of the sound wave. - Answer-speed of
sound
Refraction will not occur is the sound beam is ________ to the interface. - Answer-perpendicular
Tetrology of Fallot is diagnosed when the presence of what four anomalies? - Answer-right ventricular
hypertrophy, ventricular septal defect, pulmonic stenosis and an overriding aorta (over the VSD)
In ultrasound, regions of increased particle density refers to: - Answer-compression
Blood within the pulmonary artery is generally _______ % saturated with oxygen - Answer-75%
Diastolic fluttering of the anterior mitral valve leaflet as seen on the m-mode tracing would suggest? -
Answer-Aortic insufficiency
What factor of resistance has the most effect on the resistance to flow in a blood vessel? - Answer-The
vessels radius
The echo window of choice for evaluating mitral regurgitation with continuous wave Doppler is: -
Answer-The apical 4 chamber view
When we are born, the communication between the aorta and the pulmonary artery that is present
inutero may fail to close off after birth. This communication is called: - Answer-Patent ductus arteriosus
If the pressure amplitude of a sound wave is doubled, the intensity would be: - Answer-quadrupled
A Doppler finding in patients with patent ductus arteriosus would be: - Answer-Diastolic left to right flow
in the pulmonary artery
Which medium interface would you expect the strongest (brightest) echoes to occur? - Answer-Air/Skin
A congenital malformation where the septal leaflet of the tricuspid valve is displaced toward the apex of
the right ventricle is termed: - Answer-Ebsteins anomaly
In a patient with an ostium secundum defect of the heart, a step-up (increased concentration) of oxygen
saturation would be noted in the: - Answer-Right atrium
Which component is the metabolic component of acid base balance in the body? - Answer-Hco3
The stroke volume of an intact ventricle is directly influenced by all of the following except?
a. Preload
b. Afterload
c. Contractility
d. Age - Answer-Age
The factor that most strongly influences the speed at which an ultrasound wave travels through a
patients liver is the: - Answer-stiffness of the liver tissue
,________________ cannot travel through a vcuum - Answer-Sound
When evaluating an aortic valve for stenosis, caution must be taken not to underestimate the severity of
the stenosis in the presence of: - Answer-Mitral regurgitation
Frequency of sound is expressed in: - Answer-hertz
The methods used to decrease the build up of acid in a patient who is arresting are: - Answer-
Hyperventilation and sodium bicarbonate
The term opening snap is used to describe: - Answer-mitral stenosis
The mid systolic click is generally associated with: - Answer-Barlow's syndrome
What factors affect the pressure gradient across a valve? - Answer-Resistance to flow and proximal
chamber pressure
The pulmonary capillary wedge pressure most closely approximates _____________ pressures. -
Answer-LA and LVEDP
The most common ventricular septal defect is the: - Answer-perimembranous VSD
Untreated congestive heart failure could eventually lead to: - Answer-pulmonary HTN
The tension in the fibers of the ventricle after the onset of systole refers to: - Answer-afterload
,A direct result of mitral regurgitation is: - Answer-Left atrial enlargement
Wolff Parkinson's White syndrome is diagnosed on the ECG by the presence of a: - Answer-delta wave
The second heart sound is associated with: - Answer-closure of the aortic and pulmonic valves
A typical finding in the presence of aortic stenosis is: - Answer-Left ventricular hypertrophy
Ohms law describes the basic characteristics of electricity in a circuit; A principle that applies to all
electrical, medical and monitoring instruments. The formula is: - Answer-V=IxR
In what medium does sound travel the fastest? - Answer-bone
subcristal VSD's are also known as: - Answer-Subaotric VSD
A finding of coronary artery aneurysms on an echocardiogram of a child would be consistent with: -
Answer-Barlow's syndrome
The central venous pressure is a direct reflection of the: - Answer-right atrial pressure
In the normal functioning heart, the end diastolic volume is determined by what major factors? -
Answer-Diastolic filling pressure, total blood volume and atrial systole
The amount of refraction is most strongly influenced by the relative ____________ on either side of the
interface. - Answer-acoustic impedance
Regions of decreased particle density as seen on ultrasound refers to: - Answer-rarefraction
, The _________ is independent of the frequency and intensity of the sound wave. - Answer-speed of
sound
Refraction will not occur is the sound beam is ________ to the interface. - Answer-perpendicular
Tetrology of Fallot is diagnosed when the presence of what four anomalies? - Answer-right ventricular
hypertrophy, ventricular septal defect, pulmonic stenosis and an overriding aorta (over the VSD)
In ultrasound, regions of increased particle density refers to: - Answer-compression
Blood within the pulmonary artery is generally _______ % saturated with oxygen - Answer-75%
Diastolic fluttering of the anterior mitral valve leaflet as seen on the m-mode tracing would suggest? -
Answer-Aortic insufficiency
What factor of resistance has the most effect on the resistance to flow in a blood vessel? - Answer-The
vessels radius
The echo window of choice for evaluating mitral regurgitation with continuous wave Doppler is: -
Answer-The apical 4 chamber view
When we are born, the communication between the aorta and the pulmonary artery that is present
inutero may fail to close off after birth. This communication is called: - Answer-Patent ductus arteriosus
If the pressure amplitude of a sound wave is doubled, the intensity would be: - Answer-quadrupled