A & P 2 Straighterline Final Exam Questions
with Correct Answers
Energy for contraction of myocardial cells comes primarily from Correct Answ_aerobic
respiration in the mitochondria
What event(s) occur during the QRS complex of an ECG? Correct Answ_depolarization of
the ventricles and repolarization of the atria
The relationship between preload and stroke volume is known as Correct Answ_Starling
Law of the heart.
Cardiac muscle cells Correct Answ_are maintained by an extensive capillary network.
During the isovolumetric contraction period of the cardiac cycle, Correct Answ_AV and
semilunar valves are closed.
Pressure in the right ventricle must exceed pressure in the ____ before the right ventricle can
eject blood. Correct Answ_pulmonary trunk
,In the cardiac cycle, Correct Answ_all four chambers of the heart are in diastole at the same
time.
What cardiac arrhythmia will have no QRS complex as a symptom? Correct
Answ_ventricular fibrillation
Which of the following is administered to the people suffering from myocardial infarction
following onset of symptoms? Correct Answ_Tissue plasminogen activator (t-PA)
Which of the following might increase the risk for cardiovascular disease? Correct
Answ_chronic stress
Aortic stenosis results from Correct Answ_a narrowed opening through the aortic valve
An incompetent pulmonary semilunar valve could result in less blood reaching the Correct
Answ_lungs
,A patient has been diagnosed with mild heart disease. Tests show that some of the coronary
arteries are partially occluded. Which of the following is the best course of action to treat the
disease? Correct Answ_Angioplasty
Angina pectoris is chest pain caused by reduced Correct Answ_blood supply to cardiac
muscle.
Coronary artery disease can diminish myocardial blood flow resulting in the death of myocardial
cells. This condition is known as a myocardial Correct Answ_infarction
What abnormal heart rhythm could be caused by an elevated body temperature, excessive
sympathetic stimulation, or toxic conditions? Correct Answ_tachycardia
Which type of vessel has the greatest compliance? Correct Answ_veins
Which of the following thoracic organs is supplied by a parietal branch of the thoracic aorta?
Correct Answ_the intercostal muscles
, Increased pressure in the aortic arch will activate the aortic arch reflex and cause Correct
Answ_increased parasympathetic stimulation of the heart.
According to Poiseuille's law, Correct Answ_if resistance increases, flow decreases
The vein that ascends along the medial side of the lower limb to the femoral vein is the ____
saphenous vein and the vein that ascends along the posterior aspect of the leg to the popliteal
vein is the _____ saphenous vein. Correct Answ_great; small
If someone has a blood pressure reading of 110/70 mm Hg, their pulse pressure would be
Correct Answ_40 mm Hg.
What is the most important means by which capillary exchange occurs? Correct
Answ_diffusion
Which of the following statements about laminar blood flow is true? Correct Answ_The
outermost layer of blood experiences the greatest resistance to flow.
with Correct Answers
Energy for contraction of myocardial cells comes primarily from Correct Answ_aerobic
respiration in the mitochondria
What event(s) occur during the QRS complex of an ECG? Correct Answ_depolarization of
the ventricles and repolarization of the atria
The relationship between preload and stroke volume is known as Correct Answ_Starling
Law of the heart.
Cardiac muscle cells Correct Answ_are maintained by an extensive capillary network.
During the isovolumetric contraction period of the cardiac cycle, Correct Answ_AV and
semilunar valves are closed.
Pressure in the right ventricle must exceed pressure in the ____ before the right ventricle can
eject blood. Correct Answ_pulmonary trunk
,In the cardiac cycle, Correct Answ_all four chambers of the heart are in diastole at the same
time.
What cardiac arrhythmia will have no QRS complex as a symptom? Correct
Answ_ventricular fibrillation
Which of the following is administered to the people suffering from myocardial infarction
following onset of symptoms? Correct Answ_Tissue plasminogen activator (t-PA)
Which of the following might increase the risk for cardiovascular disease? Correct
Answ_chronic stress
Aortic stenosis results from Correct Answ_a narrowed opening through the aortic valve
An incompetent pulmonary semilunar valve could result in less blood reaching the Correct
Answ_lungs
,A patient has been diagnosed with mild heart disease. Tests show that some of the coronary
arteries are partially occluded. Which of the following is the best course of action to treat the
disease? Correct Answ_Angioplasty
Angina pectoris is chest pain caused by reduced Correct Answ_blood supply to cardiac
muscle.
Coronary artery disease can diminish myocardial blood flow resulting in the death of myocardial
cells. This condition is known as a myocardial Correct Answ_infarction
What abnormal heart rhythm could be caused by an elevated body temperature, excessive
sympathetic stimulation, or toxic conditions? Correct Answ_tachycardia
Which type of vessel has the greatest compliance? Correct Answ_veins
Which of the following thoracic organs is supplied by a parietal branch of the thoracic aorta?
Correct Answ_the intercostal muscles
, Increased pressure in the aortic arch will activate the aortic arch reflex and cause Correct
Answ_increased parasympathetic stimulation of the heart.
According to Poiseuille's law, Correct Answ_if resistance increases, flow decreases
The vein that ascends along the medial side of the lower limb to the femoral vein is the ____
saphenous vein and the vein that ascends along the posterior aspect of the leg to the popliteal
vein is the _____ saphenous vein. Correct Answ_great; small
If someone has a blood pressure reading of 110/70 mm Hg, their pulse pressure would be
Correct Answ_40 mm Hg.
What is the most important means by which capillary exchange occurs? Correct
Answ_diffusion
Which of the following statements about laminar blood flow is true? Correct Answ_The
outermost layer of blood experiences the greatest resistance to flow.
