Test 1
In adults, red bone marrow is located in the
**All of the answers are correct proximal epiphyses of long bones. body of vertebrae. sternum and ribs. iliac crest.
If a person has a blood pressure of 120/90, his mean arterial pressure would be ________ mm Hg
100
Calculate the net filtration pressure (NFP) with a blood hydrostatic pressure of 40 mm Hg and a blood colloid osmotic pressure of 25 mm Hg. Then determine if filtration or reabsorption occurs. NFP = ________ and results in a fluid ________.
15 mm Hg; filtration
In what order would excitation move through the conducting system of the heart? 1. Purkinje fibers 2. AV bundle 3. AV node 4. SA node 5. bundle branches
4, 3, 2, 5, 1
The total volume of blood in the body of a 76-kg man is approximately ________ liters.
5.3
Abnormally slow depolarization of the ventricles would most change the shape of the ________ in an ECG tracing.
QRS complex
Type AB blood has which of the following characteristics?
RBCs have both the A & B surface antigens and no ABO plasma antibodies
The adrenal glands receive a blood supply from the ________ arteries.
adrenal
The ________ receives blood from the adrenal gland.
adrenal vein
The clumping of red blood cells, when the specific antibody against the antigen on the cells is added, is called
agglutination
The most abundant plasma protein is
albumin
Which plasma protein transports fatty acids and some hormones?
albumin
Soon after donating 0.5 liters of blood, one would expect
an increased reticulocyte count.
The superior portion of the heart where major blood vessels enter and exit is the
base
Figure 21-2 Veins Use Figure 21-2 to answer the following questions: Identify the vein labeled "6."
external iliac
Tissue factor (Factor III) is a factor in the ________ pathway.
extrinsic
Each of the following factors would increase cardiac output except
increased blood concentration of glucose.
An obstruction in blood flow to the kidneys would ultimately result in
increased erythropoiesis
The two common iliac veins form the
inferior vena cava.
Blood from the brain is drained by the ________ vein.
internal jugular
The ________ is shared by the two ventricles
interventricular septum
Each heme ring in hemoglobin encloses an atom of
iron
Blood is supplied to the muscular wall of the left atrium by the
left coronary artery
The ________ is a remnant of an important fetal blood vessel that once linked the pulmonary and systemic circuits.
ligamentum arteriosum
The inferior portion of the spinal cord and the abdominal wall receive blood from the
lumbar artery.
In the middle of the thoracic cavity is a region occupied by the heart, great vessels, thymus, esophagus, and trachea called the
mediastinum
During a bacterial infection you would expect to see increased numbers of
neutrophils
Fifty to seventy percent of circulating white blood cells are
neutrophils
Non-specific immunity, such as phagocytosis, is a function of which blood cells?
neutrophils, eosinophils, and monocytes
Areas in a vessel wall where large quantities of lipid accumulate are called
plaques
The smallest arterial branches are called the
precapillary arterioles.
The ________ circuit carries blood to and from the lungs
pulmonary
Most of the iron that is removed from degraded hemoglobin is
recycled to the red bone marrow
Venoconstriction ________ the amount of blood within the venous system, which ________ the volume in the arterial and capillary systems.
reduces; increases
Each of the following will lead to a decrease in blood pressure except
release of renin.
The developmental stage at which erythrocytes enter the circulation is as
reticulocytes
The marginal branch and posterior interventricular branch are branches of the
right coronary artery
The ________ circuit carries blood from the aorta to the right ventricle
systemic
The contraction phase of the cardiac cycle is called
systole
The phase in the cardiac cycle when the mitral valve is closed and the aortic valve is open is the
systolic ejection phase
Near the carotid sinus,
the common carotid divides into an internal and an external branch.
Blood is supplied to the myocardium by
the coronary arteries
You would expect to find fenestrated capillaries in
the pituitary gland.
A cross-match test is performed between donor blood and recipient blood, even though the ABO and Rh blood types match between the two because
there are many more surface antigens on red blood cells other than A, B and Rh
People who suffer from hemophilia A fail to produce a functional Factor VIII; as a result,
they lack a functional intrinsic pathway.
The bronchial arteries branch from the ________ to supply the lung airways.
thoracic aorta
The conversion of fibrinogen to fibrin is catalyzed by the enzyme
thrombin
Veins of the upper arm include all of the following veins except the
ulnar.
The developing fetus receives nutrient rich blood through the
umbilical vein.
The cervical region of the spinal cord is drained by the ________ vein.
vertebral
The most abundant component of plasma is
water
Arteriosclerosis can lead to
All of the answers are correct.
Drugs known as calcium channel blockers such as nifedipine can be used to
All of the answers are correct.
Intercalated discs serve to transfer ________ from cell to cell.
All of the answers are correct.
Which of the following is true about the atrial reflex?
All of the answers are correct.
Which of the following is true of basophils?
All of the answers are correct.
Which of the following statements is true about platelets?
All of the answers are correct.
Which of the following is not true of monocytes?
about same size as basophils
Bill wants to determine his blood type, so he takes a few drops of blood from a puncture wound in his finger and mixes it with various antisera. His blood cells agglutinate when mixed with the anti-A sera but not with the anti-B or anti-D sera. What does this mean?
Bill's plasma contains B antibodies
________ involves a cascade of reactions leading to the conversion of fibrinogen to fibrin.
Coagulation
A genetically engineered hormone that stimulates the production of neutrophils is
G-CSF (Neupogen)
A hormone that stimulates production of granulocytes and monocytes is
GM-CSF
________ is when the heart can't maintain adequate cardiac output
Heart failure
Which organ secretes most of the plasma proteins?
Liver
The heart is innervated by ________ nerves
both parasympathetic and sympathetic
The blood vessel that supplies blood to the upper arm is the ________ artery.
brachial
These vessels may be continuous or fenestrated.
capillaries
The term used to describe fluid collecting in the pericardial cavity that restricts the movement of the heart is known as
cardiac tamponade
A substance that activates plasminogen might be useful to
cause clot dissolution to proceed faster.
The cusps (leaflets) of atrioventricular valves attach directly to
chordae tendineae.
Multiple arteries joined in order to serve a single capillary network are called
collaterals.
The function of an atrium is to
collect blood then pump it to the ventricle
The blood colloid osmotic pressure mostly depends on the
concentration of plasma proteins.
A procedure in which a length of the patient's vein or artery is used to create a detour around an obstruction in a coronary artery is called
coronary arterial bypass graft
The term ________ refers to blockage in the coronary circulation.
coronary artery disease
When the left ventricle contracts, the diameter of the ventricular chamber
decreases
The ________ divides the aorta into the thoracic aorta and the abdominal aorta.
diaphragm
At the ankle, the anterior tibial artery becomes the ________ artery.
dorsalis pedis
