42 notecards = 11 pages (4 cards per page)
If the SA node is damaged, nodal rhythm is sufficient to sustain life.
Parasympathetic stimulation reduces heart rate.
Which of the following carry oxygen-poor blood.
D. Venae cavae and pulmonary arteries
The right atrioventricular valve (tricuspid) regulates the opening between the _________ and the _________.
Which of the following is not a feature of cardiac muscle?
electrical excitation from the pacemaker to a cardiocyte in the left ventricle (LV).
SA node, AV node, atrioventricular bundle, Purkinje fibers, cardiocyte in LV.
Atrial depolarization causes.
a. The P wave.
When the left ventricle contracts, the __________ valve closes and the __________ valve is pushed open
d. Mitral; aortic.
Most of the ventricle filling occurs
d. During atrial diastole.
The volume of blood ejected by each ventricle in one minute is called
e. The cardiac output.
Which of the following plasma proteins is most abundant?
Transports oxygen into the blood
An increase in hemoglobin increases
the ability of the blood to carry oxygen to various tissues.
All of the above
Type AB blood
has both A and B antigens on the red cells.
The hematocrit is
the percentage of RBCs in a given volume of blood.
Agglutination of red blood cells means
They clump together
The most numerous of the leukocytes is the
Which blood component is NOT correctly matched with its function?
C) platelets - phagocytize bacteria
Is a product of the kidney
is needed to produce hemoglobin.
ventricles must overcome to eject blood.
The tricuspid valve is closed
What event(s) occur during the QRS complex of an ECG?
In a normal electrocardiogram, the
The "pacemaker" of the heart is the
The AV valve that is located on the same side of the heart as the origin of the aorta is the
bicuspid or mitral valve.
Blood in the pulmonary veins returns to the
Art is 75. He has advanced arteriosclerosis. He is suffering from a number of manifestations, which are consistent with his arteriosclerosis. Over the past several years he has developed hypertension and he is beginning to show signs of renal failure. Which of the following are consistent with his condition?
All of the above
Which of the following would occur as a result of increased renin release by the kidneys?
C)an increase in blood volume
Which of the following hormones does NOT influence blood pressure?
causes vasodilation of coronary blood vessels.
Which of the following events would cause a decrease in mean arterial blood pressure?
B)release of atrial natriuretic factor
Which of the following would increase resistance to blood flow?
a decrease in the radius of the vessel
A blood pressure reading of 120/80 would
indicate a systolic pressure of 120 mm Hg.
In the pulmonary circulation, the _____ carry blood to the lungs.
Arteries can constrict or dilate as needed because of the smooth muscle found in the
The exchange of nutrients and gases between the blood and tissue cells is the primary function of
What is the order of the blood vessels that a red blood cell would pass through as the blood leaves the heart, travels to a tissue, and then returns to the heart?
artery, arteriole, capillary, venule, vein
Hemolytic disease of the newborn (HDN) occurs when
an Rh-negative woman is carrying an Rh-positive fetus.
Which blood type is considered the universal recipient?
A person with type B blood
has anti-A antibodies .