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