A&P II- Test 2 Multiple Choice Questions & Answers(RATED A+)
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Course
A&P II-
Institution
A&P II-
B - ANSWERNormal heart sounds are caused by which of the following events?
A) friction of blood against the chamber walls
B) closure of the heart valves
C) opening of the heart valves
D) excitation of the sinoatrial (SA) node
A - ANSWERWhich of the events below does NOT occur when the semilu...
A&P II- Test 2 Multiple Choice Questions
& Answers(RATED A+)
B - ANSWERNormal heart sounds are caused by which of the following events?
A) friction of blood against the chamber walls
B) closure of the heart valves
C) opening of the heart valves
D) excitation of the sinoatrial (SA) node
A - ANSWERWhich of the events below does NOT occur when the semilunar valves are open?
A) Ventricles are in diastole.
B) Blood enters pulmonary arteries and the aorta.
C) Ventricles are in systole.
D) AV valves are closed
B - ANSWERDamage to the ________ causes heart block.
A) sinoatrial (SA) node
B) atrioventricular (AV) node
C) atrioventricular (AV) bundle
D) atrioventricular (AV) valves
B - ANSWERThe P wave of a normal electrocardiogram indicates ________.
A) ventricular repolarization
B) atrial depolarization
C) atrial repolarization
D) ventricular depolarization
B - ANSWERHemorrhage with a large loss of blood causes ________.
,A) no change in blood pressure but a slower heart rate
B) a lowering of blood pressure due to change in cardiac output
C) no change in blood pressure but a change in respiration
D) a rise in blood pressure due to change in cardiac output
A - ANSWERBlood within the pulmonary veins returns to the ________.
A) left atrium
B) right atrium
C) right ventricle
D) left ventricle
A - ANSWERThe condition where fluid compresses the heart and limits its ability to contract is called
________.
A) cardiac tamponade
B) myocardial infarction
C) pericarditis
D) angina pectoris
C - ANSWERThe term for pain associated with deficient blood delivery to the heart that may be
caused by the transient spasm of coronary arteries is ________.
A) pericarditis
B) myocardial infarct
C) angina pectoris
D) ischemia
A - ANSWERTo auscultate the aortic semilunar valve, you would place your stethoscope in the
________.
A) second intercostal space to the right of the sternum
B) second intercostal space to the left of the sternum
C) fifth right intercostal space
D) fifth intercostal space inferior to the left nipple
, A - ANSWERThe source of blood carried to capillaries in the myocardium would be the ________.
A) coronary arteries
B) coronary veins
C) coronary sinus
D) fossa ovalis
A - ANSWERThe fact that the left ventricle of the heart is thicker than the right ventricle reveals that
it ________.
A) pumps blood against a greater resistance
B) expands the thoracic cage
C) sends blood through a smaller valve
D) pumps a greater volume of blood
D - ANSWERWhich of the following factors does NOT influence heart rate?
A) gender
B) body temperature
C) age
D) skin color
B - ANSWERWhich of the following is NOT an age-related change affecting the heart?
A) decline in cardiac reserve
B) thinning of the valve flaps
C) atherosclerosis
D) fibrosis of cardiac muscle
A - ANSWERIf cardiac muscle is deprived of its normal blood supply, damage would primarily result
from ________.
A) decreased delivery of oxygen
B) an inadequate supply of lactic acid
C) a lack of nutrients to feed into metabolic pathways
D) a decrease in the number of available mitochondria for energy production
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