Week 4 - Lecture Exam I
When neither anti-A serum nor anti-B serum clot on a blood plate with donor blood, the blood is type ________.
O
Which blood type is generally called the universal donor?
O
The bicuspid or mitral valve is located
between the left atrium and left ventricle.
The ________ valve prevents backward flow into the left atrium.
bicuspid
Which of these comparisons between skeletal and heart muscle is false?
both have intercalated discs.
The heart is innervated by ________ nerves.
both parasympathetic and sympathetic
After entering the arm, the axillary artery becomes the ________ artery.
brachial
The vessel labeled "A" is the
brachial artery.
The vessel labeled "B" is the
brachiocephalic artery.
Exchange between a blood vessel and the cells that surround it can occur only in
capillaries
Identify the structure labeled "6."
cusp of tricuspid valve
The P wave of the electrocardiogram is a signal from
depolarization of the atria.
The hormone that produces cardiovascular effects similar to activation of the sympathetic nervous system is:
epinephrine
Which of the following is not a cause of bleeding disorders?
excess secretion of platelet-derived growth factor (PDGF)
The vessel labeled "B" is the
femoral vein
Which of the following is not a phase of hemostasis?
fibrinolysis
Which of the following is not a functional characteristic of WBCs?
granulosis
The vessel labeled "A" is the
great saphenous vein
Compared to arteries, veins
have thinner walls.
The pulmonary veins carry blood to the
heart
Which of the choices below is the parent cell for all formed elements of blood?
hemocytoblast
The special type of hemoglobin present in fetal red blood cells is ________.
hemoglobin F
Which of the following might trigger erythropoiesis?
hypoxia of EPO-producing cells
When can erythroblastosis fetalis not possibly happen in the child of an Rh negative mother?
if the father is Rh-
Thromboembolic disorders ________.
include embolus formation, a clot moving within the circulatory system
Blood leaves the right ventricle by passing through the
pulmonary valve
The vessel labeled "B" is the
pulmonary veins
The normal pacemaker of the heart is located in the
sinoatrial node.
Which of the following would not be a possible cause of sickling of red blood cells in someone with sickle-cell anemia?
sleeping in a well-ventilated room
At the level of the first rib, the axillary vein becomes the ________ vein.
subclavian
The vessel labeled "A" is the
superior vena cava
The vessel that receives blood from the head, neck, chest, shoulders, and arms is the
superior vena cava
Blood is a ________.
suspension
An accelerated heart rate above 100 beats per minute is called
tachycardia
Blood flowing into the heart from the venae cavae flows next through the ________ valve.
tricuspid
The muscular layer of a blood vessel is the
tunica media
The layer of the arteriole wall that can produce vasoconstriction is the
tunica media.
The brachial artery branches to form the radial and ________ arteries.
ulnar
All of the following conditions impair coagulation except ________.
vascular spasm
Venae cavae are the largest of this type of vessel.
vein
The large vessels that return blood to the heart are called
veins
The T wave on an ECG tracing represents
ventricular repolarization.
After blood leaves the capillaries, it enters the
venules
James has a hemoglobin measurement of 16 g/100 ml blood. This is ________.
within the normal range
The cusps (leaflets) of atrioventricular valves attach directly to
chordae tendineae.
Which chamber receives oxygenated blood from the pulmonary circuit?
16
Which sequence is correct for the following events? 1.fibrinogen → fibrin 2.clot retraction 3.formation of thromboplastin 4.prothrombin → thrombin
3, 4, 1, 2
Arrange the structures in the following list in the order that blood will encounter as it flows from the output side to the input side of the cardiovascular flow circuit. 1. venules 2. arterioles 3. capillaries 4. elastic arteries 5. medium veins 6. large veins 7. muscular arteries
4, 7, 2, 3, 1, 5, 6
The following is a list of vessels and structures that are associated with the heart. 1. right atrium 2. left atrium 3. right ventricle 4. left ventricle 5. venae cavae 6. aorta 7. pulmonary trunk 8. pulmonary veins What is the correct order for the flow of blood entering from the systemic circulation?
5, 1, 3, 7, 8, 2, 4, 6
What is the average normal pH range of blood?
7.35-7.45
Pacemaker cells isolated from the SA node generate action potentials at ________ beats per minute.
80-100
Pulmonary arteries carry blood to the
Lungs
The term for pain associated with deficient blood delivery to the heart that may be caused by the transient spasm of coronary arteries is ________.
Angina Pectoris
Clinically, the term blood pressure usually refers to
Arterial Pressure
Elastic fibers in the walls of these vessels are stretched during systole.
Arteries
Which of the following statements does not describe blood?
Blood carriers body cells to injured areas for repair
________ is to slow heart rate as ________ is to fast heart rate.
Bradycardia; tachycardia
When the popliteal vein reaches the femur, it becomes the ________ vein.
Femoral
Arteriosclerosis can lead to
Hypertension, coronary artery disease and stroke
Which of the following is true about blood plasma?
It is about 90% water.
The chamber labeled "E" is the
Left Ventricle
Select the incorrect statement regarding blood cell formation.
Platelets are formed from myeloblasts.
The difference between the systolic and diastolic pressures is called the ________ pressure.
Pulse
Abnormally slow depolarization of the ventricles would most change the shape of the ________ in an ECG tracing.
QRS complex
Depolarization of the ventricles is represented on an electrocardiogram by the
QRS complex.
The structure labeled "C" is the
Right Atrium
The blood in chamber "C" will next flow to the
Right Ventricle
The pulmonary semilunar valve prevents backward flow into the
Right Ventricle
The right ventricle pumps blood to the
Right and left lungs
Fred's blood was determined to be AB positive. What does this mean?
There are no antibodies to A, to B, or to Rh antigens in the plasma.
Which of the following is characteristic of all leukocytes?
They are nucleated.
Which of the following is the innermost layer of a blood vessel?
Tunica Intima
Contraction of the upper chambers of the heart is called
atrial systole
Hemorrhage with a large loss of blood causes ________.
a lowering of blood pressure due to change in cardiac output
The term ductus venosus refers to ________.
a special fetal vessel that allows umbilical blood to bypass the liver
The plasma protein that is the major contributor to osmotic pressure is ________.
albumin
The left ventricle pumps blood to the
aorta
The structure labeled "A" is the
aortic arch
The structure labeled "C" is the
apex
Platelets ________.
are also called thrombocytes
Blood pressure is highest here.
artery
An important artery that supplies blood to the brain is the ________ artery.
internal carotid
Blood from the brain returns to the heart through the ________ vein.
internal jugular
What organ in the body regulates erythrocyte production?
kidney
The inferior vena cava is classified as a(n)
large vein.
Blood returning to the heart from the pulmonary circuit first enters the
left atrium
Pulmonary veins carry blood to the
left atrium
The vessel labeled "C" is the
left subclavian artery
Branches off the aortic arch include the
left subclavian artery, left common carotid artery and brachiocephalic trunk
Identify the structure labeled "19."
pulmonary semilunar valve
Which of the following can be expected with anemia ________.
low hemoglobin
Which of the following is not a structural characteristic that contributes to erythrocyte gas transport functions?
mitotically active
No visible cytoplasmic granules are present in ________.
monocytes
Blood volume restorers include all of the following except ________.
packed cells
At the knee, the femoral artery becomes the ________ artery.
popliteal
Which of the following is a protective function of blood?
prevention of blood loss
Aldosterone will ________.
promote an increase in blood pressure
Blood reticulocyte counts provide information regarding ________.
rate of erythrocyte formation
An individual who is blood type AB negative can ________.
receive any blood type in moderate amounts except that with the Rh antigen
Blood returning to the heart from the systemic circuit first enters the
right atrium