OTH 3416 Exam 3 Questions with Correct Answers Latest Update 2026/2027
The _____ provides blood supply to the brain and contains alternate routes in case of blockage. -
Answers Circle of Willis
If your friend asked you to distinguish between pulmonary and systemic circulation, which of the
following would you most likely say? - Answers Pulmonary circulation moves blood between the
heart and lungs, and systemic circulation moves blood between the heart and the rest of the
body.
If your instructor asked you to discuss the arteries of the upper limb in order, from superior to
inferior, which of the following would you most likely say? - Answers The subclavian artery is the
first part of the long trunk that supplies each upper extremity, and at the axilla, it becomes the
axillary artery, which ends at the lower border of the tendon of the teres major, where it
becomes the brachial artery.
Which of the following causes blood pressure? - Answers It is caused by the blood flow
generated by the heart as it pumps and the resistance that blood encounters as it moves
through the enclosed vessel.
Deoxygenated blood from the intestines drains into the - Answers Superior and inferior
mesenteric veins.
All of the following are structures arteries and veins have in common except - Answers Valves
If you were giving an oral presentation on the hepatic system, you would most likely make all of
the following points except - Answers On its way to the liver, blood passes through the right, left,
and intermediate hepatic veins, which originate in the inferior vena cava.
Which of the following accurately identifies the paired and unpaired visceral branches of the
abdominal aorta? - Answers The unpaired visceral branches are the celiac trunk, the superior
mesenteric artery, and the inferior mesenteric artery, whereas the paired visceral branches are
the suprarenal, renal, and gonadal arteries.
The _____ is the largest artery in the body. - Answers Aorta
All of the following are types of blood vessels except - Answers Atria
The internal lining of the cardiovascular system is formed by what tissue?
Tunica adventitia
Connective
Mesothelium
,Endothelium - Answers Endothelium
Which structures act as anchors for the atrioventricular valves?
Chordae tendineae
Great vessels
Trabeculae carneae
Coronary ostia - Answers Chordae tendineae
A 20 year old underwent an echocardiogram to assess chest pain. Results revealed a congenital
defect in the papillary muscles. Which of the following would the nurse expect to occur?
Closure of the semilunar valve
Closure of the atrioventricular valve
Backward expulsion of the semilunar valves
Backward expulsion of the atrioventricular valves - Answers Backward expulsion of the
atrioventricular valves
Coarctation of the aorta is the local narrowing of the aorta near the:
ductus arteriosus.
aortic valve.
bifurcation into the common iliac arteries.
diaphragm. - Answers ductus arteriosus
The pericardium is:
the outer muscular layer of the heart.
the innermost layer of the heart chambers.
a membranous sac that encloses the heart.
,the heart's fibrous skeleton. - Answers a membranous sac that encloses the heart.
When a patient is diagnosed with coronary artery disease, the nurse assesses for myocardial:
ischemia.
inflammation.
necrosis.
hypertrophy. - Answers ischemia
A 75-year-old obese female presents to her primary care provider reporting edema in the lower
extremities. Physical exam reveals that she has varicose veins. Upon performing the history,
which of the following is a possible cause for the varicose veins?
Trauma to the deep veins
Extreme exercise
Long periods of standing
Ischemia - Answers Long periods of standing
A nurse takes an adult patient's blood pressure and determines it to be normal. What reading
did the nurse obtain?
Systolic pressure less than 100 mm Hg regardless of diastolic pressure
Systolic pressure between 140 and 150 mm Hg
Systolic pressure less than 120 mm Hg and diastolic pressure less than 80 mm Hg
Systolic pressure greater than 140 mm Hg and a diastolic pressure of 100 mm Hg - Answers
Systolic pressure less than 120 mm Hg and diastolic pressure less than 80 mm Hg
Intrauterine exposure to which factor could be responsible for a diagnosis of congenital heart
disease?
Viral infection
, Dextroamphetamine
Alcohol exposure
Diabetes - Answers Viral infection
What term is used to describe the patent opening between the aorta and pulmonary artery in a
fetus?
Sinus venosus
Ductus arteriosus
Foramen ovale
Septal defect - Answers Ductus arteriosus
Which chamber of the heart generates the highest pressure?
Left atrium
Right ventricle
Left ventricle
Right atrium - Answers Left ventricle
As a result of blockage in the pulmonary artery, blood would first back up into the:
Pulmonary veins
Aorta
Left ventricle
Right ventricle - Answers Right ventricle
Most cases of combined systolic and diastolic hypertension have no known cause and are
documented on the chart as _____ hypertension.
Acquired
The _____ provides blood supply to the brain and contains alternate routes in case of blockage. -
Answers Circle of Willis
If your friend asked you to distinguish between pulmonary and systemic circulation, which of the
following would you most likely say? - Answers Pulmonary circulation moves blood between the
heart and lungs, and systemic circulation moves blood between the heart and the rest of the
body.
If your instructor asked you to discuss the arteries of the upper limb in order, from superior to
inferior, which of the following would you most likely say? - Answers The subclavian artery is the
first part of the long trunk that supplies each upper extremity, and at the axilla, it becomes the
axillary artery, which ends at the lower border of the tendon of the teres major, where it
becomes the brachial artery.
Which of the following causes blood pressure? - Answers It is caused by the blood flow
generated by the heart as it pumps and the resistance that blood encounters as it moves
through the enclosed vessel.
Deoxygenated blood from the intestines drains into the - Answers Superior and inferior
mesenteric veins.
All of the following are structures arteries and veins have in common except - Answers Valves
If you were giving an oral presentation on the hepatic system, you would most likely make all of
the following points except - Answers On its way to the liver, blood passes through the right, left,
and intermediate hepatic veins, which originate in the inferior vena cava.
Which of the following accurately identifies the paired and unpaired visceral branches of the
abdominal aorta? - Answers The unpaired visceral branches are the celiac trunk, the superior
mesenteric artery, and the inferior mesenteric artery, whereas the paired visceral branches are
the suprarenal, renal, and gonadal arteries.
The _____ is the largest artery in the body. - Answers Aorta
All of the following are types of blood vessels except - Answers Atria
The internal lining of the cardiovascular system is formed by what tissue?
Tunica adventitia
Connective
Mesothelium
,Endothelium - Answers Endothelium
Which structures act as anchors for the atrioventricular valves?
Chordae tendineae
Great vessels
Trabeculae carneae
Coronary ostia - Answers Chordae tendineae
A 20 year old underwent an echocardiogram to assess chest pain. Results revealed a congenital
defect in the papillary muscles. Which of the following would the nurse expect to occur?
Closure of the semilunar valve
Closure of the atrioventricular valve
Backward expulsion of the semilunar valves
Backward expulsion of the atrioventricular valves - Answers Backward expulsion of the
atrioventricular valves
Coarctation of the aorta is the local narrowing of the aorta near the:
ductus arteriosus.
aortic valve.
bifurcation into the common iliac arteries.
diaphragm. - Answers ductus arteriosus
The pericardium is:
the outer muscular layer of the heart.
the innermost layer of the heart chambers.
a membranous sac that encloses the heart.
,the heart's fibrous skeleton. - Answers a membranous sac that encloses the heart.
When a patient is diagnosed with coronary artery disease, the nurse assesses for myocardial:
ischemia.
inflammation.
necrosis.
hypertrophy. - Answers ischemia
A 75-year-old obese female presents to her primary care provider reporting edema in the lower
extremities. Physical exam reveals that she has varicose veins. Upon performing the history,
which of the following is a possible cause for the varicose veins?
Trauma to the deep veins
Extreme exercise
Long periods of standing
Ischemia - Answers Long periods of standing
A nurse takes an adult patient's blood pressure and determines it to be normal. What reading
did the nurse obtain?
Systolic pressure less than 100 mm Hg regardless of diastolic pressure
Systolic pressure between 140 and 150 mm Hg
Systolic pressure less than 120 mm Hg and diastolic pressure less than 80 mm Hg
Systolic pressure greater than 140 mm Hg and a diastolic pressure of 100 mm Hg - Answers
Systolic pressure less than 120 mm Hg and diastolic pressure less than 80 mm Hg
Intrauterine exposure to which factor could be responsible for a diagnosis of congenital heart
disease?
Viral infection
, Dextroamphetamine
Alcohol exposure
Diabetes - Answers Viral infection
What term is used to describe the patent opening between the aorta and pulmonary artery in a
fetus?
Sinus venosus
Ductus arteriosus
Foramen ovale
Septal defect - Answers Ductus arteriosus
Which chamber of the heart generates the highest pressure?
Left atrium
Right ventricle
Left ventricle
Right atrium - Answers Left ventricle
As a result of blockage in the pulmonary artery, blood would first back up into the:
Pulmonary veins
Aorta
Left ventricle
Right ventricle - Answers Right ventricle
Most cases of combined systolic and diastolic hypertension have no known cause and are
documented on the chart as _____ hypertension.
Acquired
