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A&P II STRAIGHTERLINE FINAL EXAM 2024/2025 | ACTUAL CURRENTLY TESTING EXAM VERSIONS WITH ACCURATE QUESTIONS AND DETAILED ANSWERS AND STUDY GUIDE | EXPERT VERIFIED FOR GUARANTEED PASS$22.99
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A&P II STRAIGHTERLINE FINAL EXAM 2024/2025 | ACTUAL CURRENTLY TESTING EXAM VERSIONS WITH ACCURATE QUESTIONS AND DETAILED ANSWERS AND STUDY GUIDE | EXPERT VERIFIED FOR GUARANTEED PASS
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Course
A&P II STRAIGHTERLINE
Institution
A&P II STRAIGHTERLINE
A&P II STRAIGHTERLINE FINAL EXAM 2024/2025 | ACTUAL
CURRENTLY TESTING EXAM VERSIONS WITH ACCURATE
QUESTIONS AND DETAILED ANSWERS AND STUDY GUIDE |
EXPERT VERIFIED FOR GUARANTEED PASS
A&P II STRAIGHTERLINE FINAL EXAM 2024/2025 | ACTUAL
CURRENTLY TESTING EXAM VERSIONS WITH ACCURATE
QUESTIONS AND DETAILED ANSWERS AND STUDY GUIDE |
EXPERT VERIFIED FOR GUARANTEED PASS
Normal heart sounds are caused by which of the following events?
A. closure of the heart valves
B. friction of blood against the chamber walls
C. contraction of ventricular muscle
D. excitation of the SA node
A. closure of the heart valves
The left ventricular wall of the heart is thicker than the right wall in order to _____.
A. pump blood with greater pressure
B. pump blood through a smaller valve
C. Expand the thoracic cage during diastole
D. accommodate a greater volume of blood
A. pump blood with greater pressure
The P wave of a normal electrocardiogram indications____.
A. ventricular repolarization
B. atrial depolarization
C. ventricular depolarization
D. atrial repolarization
B. atrial depolarization
Blood within the pulmonary veins returns to the ______.
A. left atrium
B. right atrium
C. left ventricle
D. right ventricle
A. left atrium
Small muscle masses attached to the chordae tendineae are the _____.
A. venae cavae
B. pectinate muscles
C. trabeculae carneae
D. papillary muscles
D. papillary muscles
If cardiac muscle is deprived of its normal blood supply, damage would primarily result from
_______.
,A. a decrease in the number of available mitochondria for energy production
B. an inadequate supply of lactic acid
C. a lack of nutrients to feed into the metabolic pathways
D. decreased delivery of oxygen
D. decreased delivery of oxygen
The pericardial cavity ________.
A. is another name for the chambers of the heart
B. is a space between a fibrous pericardium and the serous pericardium
C. contains a lubricating fluid called serous fluid
D. is the region of the dorsal cavity that contains the heart
C. contains the lubricating fluid called serous fluid
Foramen ovale _______.
A. connects the two atria in the fetal heart
B. is a connection between the pulmonary trunk and the aorta in the fetus
C. is a condition in which the heart valves do not completely close
D. is a shallow depression in the interventricular septum
A. connects the two atria in the fetal heart
Which vessel of the heart received blood during right ventricular systole?
A. venae cavae
B. pulmonary veins
C. pulmonary trunk
D. aorta
C. pulmonary trunk
Which of the following is not part of the conduction system of the heart?
A. AV valve
B. AV node
C. bundle of His
D. SA node
A. AV valve
The tricuspid valve is closed ______.
A. while the atrium is contracting
B. by the movement of blood from atrium to ventricle
C. while the ventricle is in diastole
D. when teh ventricle is in systole
D. when the ventricle is in systole
When viewing a dissected heart, it is easy to visually discern the right and left ventricles by
________.
,A. noticing the thickness of the ventricle walls
B. locating the apex
C. tracing out where the auricles connect
D. finding the papillary muscles
A. noticing the thickness of the ventricle walls
Isovoumetric contraction _______.
A. occurs only in people with heart valve defects
B. occurs immediately after the aortic and pulmonary valves close
C. refers to the short period during ventricular systole when the ventricles are completely closed
chambers
D. occurs while the AV valves are open
C. refers to the short period during ventricular systole when the ventricles are completely closed
chambers
Which statement best describes arteries?
A. all carry blood away from the heart
B. all contain valves to prevent the backflow of blood
C. all carry oxygenated blood to the heart
D. only large arteries are lined with endothelium
A. all carry blood away from the heart
Which tunic of an artery contains endothelium?
A. tunica externa
B. tunica intima
C. basement membrane
D. tunica media
B. tunica intima
Permitting the exchange of nutrients and gasses between the blood and tissue cells is the primary
function of ________.
A. arteries
B. veins
C. arterioles
D. capillaries
D. capillaries
Which of the following is likely during vigorous exercise?
A. capillaries of the active muscles will be engorged with blood
B. blood flow to the kidneys increases
C. the skin will be cold and clammy
D. blood will be diverted to the digestive organs
, A. capillaries of active muscles will be engorged with blood
Which of the following is true about veins?
A. venous valves are formed from the tunica media.
B. veins are called capacitance vessels or blood reservoirs
C. Veins have a small lumen in relation to the thickness of the vessel wall
D. up to 35% of total body blood is in venous circulation at any given time
B. veins are called capacitance vessels or blood reservoirs
Which of the following is not one of the three main factors influencing blood pressure?
A. blood volume
B. cardiac output
C. emotional state
D. peripheral resistance
C. emotional state
Which tunic of an artery is most responsible for maintaining blood pressure and continuous
blood circulation?
A. tunica externa
B. basement membrane
C. tunica intima
D. tunica media
D. tunica media
The velocity of blood flow _____.
A. is slower in the arteries than capillaries since they possess a relatively large diameter
B. is slower in the veins than in the capillaries since veins have a large diameter
C. is slowest in the capillaries since the total cross-sectional area is the greatest
D. is in direct proportion to the total cross-sectional are of the blood vessels
C.is the slowest in the capillaries since the total cross-sectional area is the greatest
T or F, the outermost layer of a blood vessel is the tunica intima.
False
T or F, vasodilation is a widening of the lumen due to smooth muscle contraction
False
T or F, the pulmonary circulation does not directly serve the metabolic needs of body tissues.
True
T or F, an obstruction in the superior vena cava would decrease the flow of blood from the head
and neck to the heart.
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