Module 4 Test Flashcards
Which is NOT a major function of the blood?
a. Transportation of nutrients
b. Regulation of blood pH
c. Protection against disease infection
d. Transportation of heat
e. Production of oxygen
e. Production of oxygen
The normal average temperature of blood is around
a. 98.6OF
b. 100.4OF
c. 90.8OF
d. 89.6OF
e. 101.6OF
b. 100.4 F
The normal pH range for blood is
a. 7.35-8.5
b. 7.35-9.45
c. 6.35-7.35
d. 6.35-9.35
e. 7.35-7.45
e. 7.35-7.45
Which of the following is not a component of blood?
a. Blood plasma
b. Formed elements
c. Carbon dioxide
d. Platelets e. White blood cells
c. Carbon Dioxide
The hematocrit is composed of
a. WBC
b. Platelets
c. RBC
d. plasma
e. proteins
c. RBC
How much of blood plasma is water (approximately)?
a. 95%
b. 91%
c. 88%
d. 80%
e. 50%
b. 91%
Which of the following plasma proteins plays a role in disease resistance?
a. Albumins
b. Globulins
c. Fibrinogens
d. Myoglobin
e. Hemoglobin
b. Globulins
Which of the following plasma proteins plays a role in blood clotting?
a. Albumins
b. Globulins
c. Fibrinogens
d. Prostaglandins
e. None of the above
c. Fibrinogens
A hemocrit measures
a. Percentage of RBC in packed blood
b. Percentage of WBC in packed blood
c. Percentage of platelets in packed blood
d. Both a and b
e. All of the above
a. percentage of RBC in packed blood
The process by which formed elements of the blood develop is called:
a. Hematocritation
b. Hemopoiesis
c. Albumin genesis
d. Immunology
e. None of the above
b. Hemopeosis
A megakaryoblast will develop into
a. Red blood cell
b. White blood cell
c. Platelet
d. Both b and c
e. Any of the above
c. Platelet
During hemopoiesis, some of the myeloid stem cells differentiate into
a. Progenitor cells
b. Enzymes
c. Plasma proteins
d. Heme molecules
e. Nitric oxide
a. Progenitor cells
This hormone stimulates proliferation of red blood cells in red bone marrow
a. EPO
b. TPO
c. Human growth hormone
d. Calcitonin
e. Follicle stimulating hormone
a. EPO
How many hemoglobin molecules are in each RBC?
a. 50 million
b. 100 million
c. 280 million
d. 320 million
e. 430 million
c. 280 million
Ferritin is used to
a. Transport iron
b. Store iron
c. Convert iron
d. Synthesize iron
e. Digest iron
b. Store iron
A red blood cell’s function is
a. Nutrient transport
b. Cytokine stimulation
c. Blood cell proliferation
d. Gas transport
e. Disease resistance
d. Gas Transport
A red blood cell without a nucleus is called a
a. Proerythroblast
b. Cytokine
c. Precursor cell
d. Interleukin
e. Reticulocyte
e. Reticulocyte
Which of the following is a phagocyte?
a. Monocytes
b. Platelet
c. Lymphocyte
d. Basophil
e. Eosinophil
a. Monocytes
Which of the following reduces blood loss?
a. Erythrocyte
b. Platelet
c. Lymphocyte
d. Basophil
e. Neutrophil
b. Platelet
Which of the following promotes inflammation?
a. Eosinophil
b. Monocyte
c. Lymphocyte
d. Basophil
e. Neutrophil
d. Basophil
Which of the following destroys antigen-antibody complexes?
a. Eosinophil
b. Monocyte
c. Lymphocyte
d. Basophil
e. Neutrophil
a. Eosinophil
Which of the following destroys & provides immune responses?
a. Eosinophil
b. Macrophage
c. Lymphocyte
d. Basophil
e. Platelet
a. Eosinophil
Which of the following is not an agranular leukocyte?
a. Monocytes
b. Macrophage
c. Lymphocyte
d. Basophil
e. All of the above
d. Basophil
The process of a white blood cell squeezing between cells to exit the blood vessel is called
a. Emigration
b. Wandering
c. Adhesion
d. Hempoiesis
e. Phagocytosis
a. Emigration
Which of the following do mast cells not release?
a. Heparin
b. Histamine
c. Nitric oxide
d. Protease
e. All of the above
c. Nitric oxide
This hormone causes the development of megakaryoblasts.
a. Erythropoietin
b. Thrombopoietin
c. Nitric oxide
d. Human growth hormone
e. Heparin
b. Thrombopointin
Which methods provide hemostasis?
a. vascular spasm, clotting, polycythemia
b. hemolysis, vascular spasm, platelet plug formation
c. emigration, clotting, hemolysis
d. platelet plug formation, vascular spasm, clotting
e. anemia, hemogenesis, platelet plug formation
d. platelet plug formation, vascular spasm, clotting
Once this is formed, the intrinsic and extrinsic pathways are identical.
a. Thromboplastin
b. Prothrombinase
c. Fibrinogen
d. Fibrin
e. Calcium
b. Prothrombinase
Which of the following clotting factors has the most to do with strengthening and stabilizing a blood clot?
a. Factor V
b. Factor VII
c. Factor XI
d. Factor XIII
e. Factor XIV
d. Factor XIII
Considering Rh blood types, which of the below situations would result in maternal antibodies attacking the fetus?
a. Mom is Rh negative and fetus is Rh negative
b. Mom is Rh negative and fetus is Rh positive
c. Mom is Rh positive and fetus is Rh negative
d. Mom is Rh positive and fetus is Rh positive.
b. Mom is Rh- and fetus is Rh+
Which of the following opposes the action of thromboxane A2?
a. Heparin
b. Fibrinogen
c. Plasmin
d. Antithrombin
e. Prostacyclin
e. Prostacyclin
Which of the following is an anticoagulant?
a. Heparin
b. Fibrinogen
c. Protease
d. Prostacyclin
e. Plasmin
a. Heparin
What antibodies does a person with type O blood have in their plasma?
a. A
b. B
c. A and B
d. No antibodies e. Not enough information to answer
c. A and B
What antigens does a person have on their RBC if their plasma has antibody A?
a. A
b. B
c. O
d. A and B
e. No antigens
b. B
This is the mass of tissue from the sternum to the vertebral column between the lungs.
a. Epicardium
b. Parietal layer
c. Mediastinum
d. Fibrous cardium
c. Mediastinum
This is the layer that protects the heart.
a. Epicardium
b. Parietal layer
c. Myocardial tissue
d. Mediastinum
e. Endocardium
a. Epicardium
To which side of the body is the apex pointed?
a) At the midline
b) To the left
c) To the right
d) Different for males and females
e) Posteriorly
b. To the left
Which of the following consists of inelastic dense irregular connective tissue?
a) Parietal layer of pericardium
b) Serous pericardium
c) Fibrous pericardium
d) Epicardium
e) Pericardial cavity
c. Fibrous pericardium
This is used to reduce the friction between membranes of the heart.
a) Epicardium
b) Endocardium layer
c) Pericardium
d) Pericardial (serous) fluid
e) Pericardial cavity
d. Pericardial (serous) fluid
This consists of mesothelium and connective tissue.
a) Epicardium
b) Myocardium
c) Endocardium
d) Pericardial cavity
e) Fibrous pericardium
a. Epicardium
Which layer consists of cardiac muscle tissue?
a) Epicardium
b) Pericardium
c) Myocardium
d) Endocardium
e) Hypocardium
c. Myocardium
This is used to increase the capacity of the atrium.
a) Ventricle
b) Coronary sulcus
c) Fossa ovalis
d) Interatrial septum
e) Auricle.
e. Auricle
This marks the boundary between the ventricles.
a) Coronary sulcus
b) Anterior interventricular sulcus
c) Posterior interventricular sulcus
d) Coronary sulcus and posterior interventricular sulcus
e) Anterior and posterior intercentricular sulcus
e. Anterior and posterior intercentricular sulcus
These extend into the auricle.
a. Pectinate muscles
b. Interatrial septum
c. Coronary sulcus
d. Ventricle
e. Chordae tendinae
a. Pectinate muscles
Through which structure does blood pass from the right atrium to the right ventricle?
a) Bicuspid valve
b) Interventricular septum
c) Tricuspid valve
d) Mitral valve
e) Ascending aorta
c. Tricuspid Valve
What types of tissue comprise the valves of the heart?
a) Dense regular connective tissue
b) Dense irregular connective tissue
c) Areolar connective tissue
d) Hyaline cartilage
e) Cardiac muscle tissue
b. Dense irregular connective tissue
From the left ventricle, where does blood pass?
a) Right atrium
b) Right ventricle
c) Bicuspid valve
d) Aortic semilunar valve
e) Pulmonary trunk
d. Aortic semilunar valve
In a fetus, this structure temporarily shunts blood from the pulmonary trunk into the aorta.
a) Fossa ovalis
b) Foramen ovale
c) Trabeculae carnae
d) Descending aorta
e) Ductus arteriosus
e. Ductus arteriosus
As each ventricle contracts where does blood move?
a) Into an artery
b) Into the apex
c) Into a vein
d) Through an atrioventricular valve
e) Through the apex
a. Into an artery
As each atrium contracts where does blood move?
a) Into an auricle
b) Into an artery
c) Into a vein
d) Through an atrioventricular valve
e) Through a semilunar valve
d. Through an atrioventricular valve
Which of the below valves prevents blood from flowing back from the lungs?
a) Tricuspid valve
b) Bicuspid valve
c) Pulmonary valve
d) Aortic valve
e) Pulmonary vein
c. Pulmonary valve
In this disorder the aortic valve is narrowed.
a) Aortic insufficiency
b) Rheumatic fever
c) Mitral valve prolapse
d) Aortic stenosis
e) Mitral insufficiency
d. Aortic stenosis
This heart structure carries deoxygenated blood.
a) Left atrium and ventricle
b) Left atrium only
c) Right atrium and ventricle
d) Right ventricle only
e) Left atrium and right ventricle
c. Right atrium and ventricle
This vessel distributes oxygenated blood to the myocardium.
a) Coronary artery
b) Coronary vein
c) Right ventricle
d) Left auricle
e) Myocardial vein
a. Coronary artery
Cardiac muscle fibers electrically connect to neighboring fibers by
a) Desmosomes
b) Intermediate discs
c) Gap junctions
d) Contractile fibers
e) Chordae tendinae
c. Gap junctions
Which of the following contains the largest amount of mitochondria?
a) Smooth muscle
b) Skeletal muscle
c) Cardiac muscle
d) Hepatocytes
e) Leukocytes
c. Cardiac muscle
This is a network of specialized cardiac muscle fibers that provide a path for each cycle of cardiac excitation to progress through the heart.
a) Pacemaker
b) Sinoatrial node
c) Purkinje fibers
d) Conduction system
e) Bundle of His
d. Conduction system
This is a the correct sequence of structures that allows the normal sequence of excitation to progress through the heart.
a) Bundle of His, Purkinje fibers, Atrioventricular (AV) node
b) Sinoatrial (SA), Purkinje fibers, AV node, Bundle of His
c) Purkinje fibers, AV node, SA node, Bundle of His
d) SA node, AV node, Bundle of His, Purkinje fibers
e) Bundle of His, SA node, AV node, Purkinje fibers
d. SA node, AV node, Bundle of His, Purkinje fibers