Chapters 11 and 12 Quiz Optional
Which of the following is NOT part of the conduction system of the heart?
[AV valve] Is part: Purkinje fibers; AV node; SA node.
Which statement regarding red blood cells is true?
[Red blood cells are not capable of mitosis
During ventricular systole
the ventricles are contracting
The term ________ refers to the combination of plasma and the formed elements together
whole blood
During blood transfusions, which of the following blood types would NEVER cause an agglutination reaction when introduced into an individual with Type A+ blood?
Type O- blood [MAY CAUSE:Type AB+ blood, Type B- blood, Type AB- blood
When a chamber fills with blood and is preparing to begin the next cardiac cycle, that chamber is
in diastole
[tricuspid (right atrioventricular) valve] The tricuspid valve, or right atrioventricular valve (RAV)
allows the flow of blood from the right atrium to the right ventricle while preventing backflow
Which of the following statements is true about the anatomy of the heart?
[The muscular walls of the atria are thinner than those of the ventricles
The primary function of white blood cells is to
help defend the body against pathogens
The mechanism in the body which stops bleeding and prevents blood loss is known as ___________
hemostasis
The three types of formed elements found in blood are _________
platelets, red blood cells, and white blood cells
Which of the following is a FALSE statement?
[Blood is a specialized epithelial tissue] True: Blood contains cells, enzymes, hormones, and antibodies; Blood helps protect the body against infection; Blood regulates the pH of the body's interstitial fluid.
What is the primary function of the cells shown here?
[carry gases] The primary function of red blood cells is to carry gases such as carbon dioxide and oxygen
right atrium
[is found in the upper right side of the heart. It receives deoxygenated blood from the body and is covered by an auricle
myocardium
[is the middle, thickest layer of the heart. It is made of cardiac muscle
The formed elements shown here are called _____
[platelets] Platelet is a term used for the cell fragments found in human blood that function in blood clotting
Which of the following events does NOT occur during ventricular systole?
[semilunar valves are closed] Does occur: papillary muscles contract; blood enters the aorta and pulmonary trunk; AV valves are closed
papillary muscles
[tense the chordae tendineae, limiting the movement of the AV valves
What is a benefit of a vascular spasm at the onset of hemostasis?
a reduction in blood loss
When comparing the left and the right sides of the heart, which of the following statements is NOT true?
The left ventricle ejects more blood than the right ventricle [TRUE:The myocardium of the left ventricle is thicker than that of the right ventricle; The left atrium is associated with the systemic circuit whereas the right atrium is associated with the pulmonary circuit; The left chambers contain oxygenated blood whereas the right chambers contain deoxygenated blood
