CV-BC Exam questions with 100%
correct answers
What are potential conditions/factors that could cause an upwards left axis deviation? - correct
answer ✔✔ pregnancy, obesity
What are potential conditions/factors that could cause a downwards left axis deviation? -
correct answer ✔✔ being tall, being thin or underweight, connective tissue disorders (Marfans,
EDS)
The right side of the heart receives ________________ blood from _____________________
circulation and pumps it into the _________________________ circulatory system - correct
answer ✔✔ deoxygenated, systemic, pulmonary
The left side of the heart receives ____________________ blood from
______________________ circulation and pumps it into the
_____________________________ circulatory system - correct answer ✔✔ oxygenated,
pulmonic, systemic
What are the two atrioventricular valves? - correct answer ✔✔ tricuspid, mitral
What are the two semilunar valves? - correct answer ✔✔ pulmonic, aortic
Atrioventricular valves are located between the __________________ and ventricles while
semilunar valves are located between ventricles and ________________________ - correct
answer ✔✔ atria, arteries
,Which valve is located between the right atria and the right ventricle? - correct answer ✔✔
tricuspid
Which valve is located between the left atria and the left ventricle? - correct answer ✔✔ mitral
(remember it has an "L" in it)
Atrioventricular valves are _______________ during ventricular systole and ________________
during ventricular diastole - correct answer ✔✔ closed, open
Which valve is located between the right ventricle and the pulmonary artery? - correct answer
✔✔ pulmonic
Which valve is located between the left ventricle and the aorta? - correct answer ✔✔ aortic
Semilunar valves are ________________ during ventricular systole and _________________
during ventricular diastole. - correct answer ✔✔ open, closed
The sinoatrial (SA) node has an inherent firing rate of ___________________ bpm - correct
answer ✔✔ 60-100
The SA node stimulates right atrial contraction via the _____________________ pathway(s) -
correct answer ✔✔ internodal
The SA node stimulates left atrial contraction via the _____________________ pathway(s) -
correct answer ✔✔ inter-atrial (aka Bachman's bundle)
The AV node has an inherent firing rate of _______________ bpm - correct answer ✔✔ 40-60
,The Purkinje fibers receive ______________ stimulation from the parasympathetic nervous
system and __________________ stimulation from the sympathetic nervous system - correct
answer ✔✔ weak, strong
The AV node receives ______________ stimulation from the parasympathetic nervous system
and __________________ stimulation from the sympathetic nervous system - correct answer
✔✔ strong, weak
The SA node receives ______________ stimulation from the parasympathetic nervous system
and __________________ stimulation from the sympathetic nervous system - correct answer
✔✔ strong, strong
The Purkinje fibers have an inherent firing rate of _______________ bpm - correct answer ✔✔
20-40
The sympathetic nervous system releases ______________________________ onto alpha and
beta _________________ receptors - correct answer ✔✔ norepinephrine, adrenergic
Effects of the sympathetic nervous system are influenced by the release of what electrolyte? -
correct answer ✔✔ Calcium
Alpha-1 receptors are primarily located in the _________________________ while alpha-2
receptors are primarily located in the ____________________________ - correct answer ✔✔
blood vessels, brain
When stimulated, alpha-1 receptors cause vaso_____________________, bladder/urethra
______________________, pupil ___________________, and ______________________ in
calcium levels - correct answer ✔✔ constriction, contraction, dilation, increase
, When stimulated, alpha-2 receptors cause vaso_____________________, bladder/urethra
______________________, pupil ___________________, and ______________________ in
calcium levels - correct answer ✔✔ dilation, relaxation, constriction, decrease
Beta-1 receptors are primarily located in the _________________________ while beta-2
receptors are primarily located in the ____________________________ - correct answer ✔✔
heart, lungs
When stimulated, beta-1 receptors __________________________ the heart rate,
_____________________ impulse conduction, and _____________________ the force of
contraction - correct answer ✔✔ increase, increase, increase
When stimulated, beta-2 receptors cause broncho_______________________ - correct answer
✔✔ dilation
When stimulated, beta-1 receptors ______________________ release of calcium into the cell
and beta-2 receptors _________________________ release of calcium into the cell - correct
answer ✔✔ increase, increase
The parasympathetic nervous system releases ______________________________ onto
__________________________ receptors - correct answer ✔✔ acetylcholine, cholinergic
The parasympathetic nervous system ____________________________ the heart rate and
________________________ cardiac output - correct answer ✔✔ decreases, decreases
The parasympathetic nervous system causes broncho_______________________ and pupil
__________________________ - correct answer ✔✔ constriction, constriction
What nervous system does adenosine act on? - correct answer ✔✔ parasympathetic
correct answers
What are potential conditions/factors that could cause an upwards left axis deviation? - correct
answer ✔✔ pregnancy, obesity
What are potential conditions/factors that could cause a downwards left axis deviation? -
correct answer ✔✔ being tall, being thin or underweight, connective tissue disorders (Marfans,
EDS)
The right side of the heart receives ________________ blood from _____________________
circulation and pumps it into the _________________________ circulatory system - correct
answer ✔✔ deoxygenated, systemic, pulmonary
The left side of the heart receives ____________________ blood from
______________________ circulation and pumps it into the
_____________________________ circulatory system - correct answer ✔✔ oxygenated,
pulmonic, systemic
What are the two atrioventricular valves? - correct answer ✔✔ tricuspid, mitral
What are the two semilunar valves? - correct answer ✔✔ pulmonic, aortic
Atrioventricular valves are located between the __________________ and ventricles while
semilunar valves are located between ventricles and ________________________ - correct
answer ✔✔ atria, arteries
,Which valve is located between the right atria and the right ventricle? - correct answer ✔✔
tricuspid
Which valve is located between the left atria and the left ventricle? - correct answer ✔✔ mitral
(remember it has an "L" in it)
Atrioventricular valves are _______________ during ventricular systole and ________________
during ventricular diastole - correct answer ✔✔ closed, open
Which valve is located between the right ventricle and the pulmonary artery? - correct answer
✔✔ pulmonic
Which valve is located between the left ventricle and the aorta? - correct answer ✔✔ aortic
Semilunar valves are ________________ during ventricular systole and _________________
during ventricular diastole. - correct answer ✔✔ open, closed
The sinoatrial (SA) node has an inherent firing rate of ___________________ bpm - correct
answer ✔✔ 60-100
The SA node stimulates right atrial contraction via the _____________________ pathway(s) -
correct answer ✔✔ internodal
The SA node stimulates left atrial contraction via the _____________________ pathway(s) -
correct answer ✔✔ inter-atrial (aka Bachman's bundle)
The AV node has an inherent firing rate of _______________ bpm - correct answer ✔✔ 40-60
,The Purkinje fibers receive ______________ stimulation from the parasympathetic nervous
system and __________________ stimulation from the sympathetic nervous system - correct
answer ✔✔ weak, strong
The AV node receives ______________ stimulation from the parasympathetic nervous system
and __________________ stimulation from the sympathetic nervous system - correct answer
✔✔ strong, weak
The SA node receives ______________ stimulation from the parasympathetic nervous system
and __________________ stimulation from the sympathetic nervous system - correct answer
✔✔ strong, strong
The Purkinje fibers have an inherent firing rate of _______________ bpm - correct answer ✔✔
20-40
The sympathetic nervous system releases ______________________________ onto alpha and
beta _________________ receptors - correct answer ✔✔ norepinephrine, adrenergic
Effects of the sympathetic nervous system are influenced by the release of what electrolyte? -
correct answer ✔✔ Calcium
Alpha-1 receptors are primarily located in the _________________________ while alpha-2
receptors are primarily located in the ____________________________ - correct answer ✔✔
blood vessels, brain
When stimulated, alpha-1 receptors cause vaso_____________________, bladder/urethra
______________________, pupil ___________________, and ______________________ in
calcium levels - correct answer ✔✔ constriction, contraction, dilation, increase
, When stimulated, alpha-2 receptors cause vaso_____________________, bladder/urethra
______________________, pupil ___________________, and ______________________ in
calcium levels - correct answer ✔✔ dilation, relaxation, constriction, decrease
Beta-1 receptors are primarily located in the _________________________ while beta-2
receptors are primarily located in the ____________________________ - correct answer ✔✔
heart, lungs
When stimulated, beta-1 receptors __________________________ the heart rate,
_____________________ impulse conduction, and _____________________ the force of
contraction - correct answer ✔✔ increase, increase, increase
When stimulated, beta-2 receptors cause broncho_______________________ - correct answer
✔✔ dilation
When stimulated, beta-1 receptors ______________________ release of calcium into the cell
and beta-2 receptors _________________________ release of calcium into the cell - correct
answer ✔✔ increase, increase
The parasympathetic nervous system releases ______________________________ onto
__________________________ receptors - correct answer ✔✔ acetylcholine, cholinergic
The parasympathetic nervous system ____________________________ the heart rate and
________________________ cardiac output - correct answer ✔✔ decreases, decreases
The parasympathetic nervous system causes broncho_______________________ and pupil
__________________________ - correct answer ✔✔ constriction, constriction
What nervous system does adenosine act on? - correct answer ✔✔ parasympathetic
