URR - Anatomy (17% of Exam) Questions
With Correct Answers.
________________ and _______________ arteries are direct branches of the left main coronary
artery
a. left anterior descending and right circumflex
b. left common coronary artery and right common coronary artery
c. left circumflex and right circumflex
d. left anterior descending and left circumflex - answer✔✔d. left anterior descending and left
circumflex
a normal LV response to exercise is
a. reduced LV wall thickness in systole
b. increased end systolic volume
c. reduced end systolic volume
d. reduced EF% - answer✔✔c. reduced end systolic volume
_______________ small fibrous nodular areas that are normally identified on the central part of
the aortic cusps.
a. chronic thrombus accumulation causes
b. nodules of arantius are
c. lambl excrescences are
d. myxomatous degeneration causes - answer✔✔b. nodules of arantius are
which of the following LV walls are seen on an apical 4 chamber view?
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a. anteroseptal
b. inferoseptal
c. inferolateral
d. anteromedial - answer✔✔b. inferoseptal
the majority of pulmonary venous flow into the LA occurs during;
a. early diastole
b. late systole
c. late diastole
d. early systole - answer✔✔d. early systole
which of the following is correct regarding the coronary sinus?
a. can be mistaken for the ascending aorta
b. will be thrombosed with a persistent left SVC
c. used with aorta to differentiate pleural effusions from pericardial effusions
d. usually absent with mitral valve prolapse - answer✔✔c. used with aorta to differentiate pleural
effusions from pericardial effusions
which component of blood holds the hemoglobin?
a. mitochondria
b. platelets
c. white blood cells
d. red blood cells - answer✔✔d. red blood cells
the aortic isthmus refers to
a. the segment distal to the origin of left subclavian to the ligamentum arteriosus
b. the segment of the aorta that passes through the diaphragm
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c. the segment between the origin of the left CCA and the left subclavian
d. the segment distal to the origin of the left subclavian and the ligamentum venosum -
answer✔✔a. the segment distal to the origin of left subclavian to the ligamentum arteriosus
what facilitates the contraction of the atrial appendages?
a. drop in pressure in the atria during systole
b. squeezing of the pericardium with cardiac contraction
c. pectinate muscle in the walls of the appendages
d. increased thoracic pressure with deep inspiration - answer✔✔c. pectinate muscle in the walls
of the appendages
what fetal structure allows blood flow shunting between the pulmonary artery and the aorta?
a. VSD
b. ductus venosus
c. foramen ovale
d. ductus arteriosus - answer✔✔d. ductus arteriosus
at what point in the cycle is the LA at its greatest dimension?
a. early diastole
b. end systole
c. end diastole
d. mid systole - answer✔✔b. end systole
___________________ can be used to decrease venous return to the heart and increase heart rate
a. treadmill exercise
b. dobutamine
c. valsalva maneuver
, ©THEBRIGHT EXAM STUDY SOLUTIONS 8/27/2024 12:01 PM
d. aspirin - answer✔✔c. valsalva maneuver
which of the following lists the branches in the correct order that they originate from the aortic
arch?
a. left innominate, left carotid, left subclavian
b. right subclavian, right carotid, left innominate
c. right innominate, left carotid, left innominate
d. right innominate, left carotid, left subclavian - answer✔✔d. right innominate, left carotid, left
subclavian
in most patients, the left anterior descending artery is a branch of the ________________ and the
posterior descending artery is a branch of ________________.
a. left coronary artery, left circumflex
b. left circumflex artery, left coronary artery
c. left coronary artery, right coronary artery - answer✔✔c. left coronary artery, right coronary
artery
the visceral layer of the pericardium is also referred to as the _______________.
a. epicardium
b. crista terminalis
c. myocardium
d. endocardium - answer✔✔a. epicardium
which of the following correctly describes the movement of blood from the LA into the LV in
rapid filling phase?
a. atrial pressure drops, MV opens and blood is pushed into the LV due to the atrial contraction
b. atrial pressure drops, MV opens and blood is pulled into the LV due to the rapidly relaxing
ventricle
c. atrial pressure increases, MV opens and blood is pushed into the LV due to atrial contraction