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URR - Anatomy (17% of exam) Questions with 100 % correct Answers | Verified | A+
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_____ 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 - c. pectinate muscle...

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  • August 25, 2024
  • 43
  • 2024/2025
  • Exam (elaborations)
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  • urr anatomy 17 of exam

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URR - Anatomy (17% of exam)

_____ 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 - c. pectinate muscle in the walls of the
appendages

__________ 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 - b. nodules of arantius are




________________ 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 - 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% - c. reduced end systolic volume



which of the following LV walls are seen on an apical 4 chamber view?



a. anteroseptal

b. inferoseptal

c. inferolateral

d. anteromedial - 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 - 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 - 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 - 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

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 - a. the
segment distal to the origin of left subclavian to the ligamentum arteriosus




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 - 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 - 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

d. aspirin - 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 - 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 - 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 - a. epicardium



which of the following correctly describes the movement of blood from the LA into the LV in rapid filling
phase?

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