Chapters 10/11 Anatomy Test
Cam Newton has how many rushing TDs this season?
10
Which blood vessels have the thickest walls:
Arteries
Atrial repolarization coincides in time with the:
QRS wave
All formed elements arise from a common type of stem cell called a hemocytoblast
True
If the Broncos win the Super Bowl, Peyton Manning will be the first QB in history to have won 2 Super Bowls on two different teams
True
The circuit from the left side of the heart through the body tissues and back to the right side of the heart is called the systematic circulation
True
The three periods of the cardiac cycle are mid-to-late diastole, ventricular systole and early diastole.
True
Which of the following blood vessels is a direct branch of the ascending aorta:
both the right and left coronary arteries
Which of these veins returns blood to the superior vena cava:
brachiocephalic veins
Pulmonary veins deliver freshly oxygenated blood from the lungs to the
left atrium
The pointed apex of the heart is oriented toward the:
left hip
Veins:
often have valves to prevent the backflow of blood
Which of the following blood vessels carries oxygenated blood:
pulmonary vein
The sinoatrial node is located in the:
right atrium
The tricuspid valve is located betwen the:
right atrium and right ventricle
The volume of blood pumped out by each ventricle with each beat of the heart is called the:
stroke volume
Deoxygenated blood is returned to the right side of the heart by the:
superior and inferior vena cavae
Which one is the correct sequence going from the outermost to the innermost layer of a blood vessel wall:
tunica externa, tunica media, tunica intima
Which of the following vessels has the lowest blood pressure?
venae cava
Which valve guards the base of the aorta and opens when the ventricles are contracting?
aortic semilunar valve
Generalized vasoconstriction occurs as a result of:
an increase in sympathetic nervous system firing
All of the following causes Varicose Veins except...
(a) "leaky valves" b) Insufficient return of blood to the heart c) Pooling of blood in lower extremity d) time <------) time
An increase in BP would be caused by all of the following except
(a) increase in SV b) increase in HR c) hemorrhage <----- d) vasoconstriction of the arterioles) hemorrhage
Which one of the following represents the correct path for the transmission of an impulse in the intrinsic conduction system of the heart:
(sinoatrial (SA) node, atrioventricular (AV) node, atrioventricular (AV) bundle, right and left bundle branches, Purkinje fibers) SA node, AV node, AV bundle, right and left bundle branches, Purkinje fibers
An increase in blood vessel diameter causes arterial blood pressure to decrease.
False
Cardiac cycle refers to the events of two complete heartbeats
False
The T wave results from currents flowing during the repolarization of the atria.
False
The atrioventricular node starts each heart beat and is often called the pacemaker of the heart for that reason.
False
The chordae tendineae anchor the semilunar valves to the walls of the ventricles.
False
Universal donors can receive blood groups A, B, AB, and O
False
Which heart chamber pumps blood with the greatest amount of force?
Left ventricle
Which one of the following is caused by a decrease in venous return to the heart:
a decrease in stroke volume and cardiac output