Which of the
following are considered functions of blood
What substance found in red blood cells is responsible for carrying oxygen
The structure of hemoglobin is quite complex. What mineral is a very important part of this complex
Which of the following are considered granular leukocytes
2. Basophil Which of the following type of white blood cells are involved in phagocytosis
Which of the substances listed below are transported in blood?
1. carbon dioxide
2. various nutrients, such as vitamins and glucose
TRUE statements about red blood cells (erythrocytes)?
1. mature cells do not have a nucleus
2. new RBC’s may enter the blood stream at the rate of 2 million per second
3. NOT the primary molecule within the cytosol is keratin
4. their plasma membrane is both strong and flexible
5. besides oxygen, they also transport carbon dioxide molecules
which white blood cell (leukocyte) is indicated? The function of this cell is to combat the effects of histamine
in allergic reactions, phagocytize antigenantibody complexes, and destroy certain parasitic worms
eosinophil which white blood cell (leukocyte) is indicated? The function of this cell is to liberate heparin, histamine and
serotonin in allergic reactions that will intensify the overall inflammatory response?
The normal red blood cell count in healthy adult males is
5.4 million RBCs/mL
The trachea is normally located __________ to the esophagus
Anterior The right lung has ___________ lobe(s)
What is the name of the area labeled with the arrow that contains all of the structures that enter and leave
The lung structure labeled with the arrow is the site of gas exchange
Which of the structures listed below is a/are component(s) of the respiratory zone of the respiratory
system? 1. alveoli
Which of the following is a/are function(s) of the internal structures of the nose?
1. filtering incoming air
2. moistening incoming air
3. detecting olfactory (smell) stimuli
4. warming incoming air
5. modifying speech vibrations
Structures of the respiratory system
Which of the following lists of blood vessels represents the sequence of blood vessels in which blood would
flow from the time it leaves the heart
arteries, arterioles, capillaries, venules, veins
The innermost layer of blood vessels is composed of
simple squamous epithelium Which type of blood vessel is associated with valves and the skeletal "muscle pump"
Which of the following types of blood vessels is distinguished structurally (from the others) by having thicker
layers of "tissue" that make up the wall of the vessel
structurally (from the others) by having valves within the lumen of the vessel
Blood is combined from other veins and returns to the heart through the superior and inferior ______?
vena cava In the fetus, oxygenated blood is supplied from blood vessels coming from the ________
In the figure shown, what is indicated?
capillary, what is indicated
Which type of vessel is shown in the figure (transverse section)? Note the thick tunica media artery
In the figure shown, what is the indicated vessel? It is the first major branch of the arch of the aorta
Which of the following correctly describes the sequence of structures of the pulmonary circulation through
which blood passes?
right ven→rpulmonary →rpulmonary ar→epulmonary arte→pulmonary
capilla→pulmonary ven→lpulmonary →eleft atrium What is this layer of the heart called
What is the name of this structure
There are 4 chambers inside the heart. Which chamber(s) receive blood from outside the heart?
1. right atrium left atrium
There are 4 chambers inside the heart. Which chamber directs blood to the lungs
rightventricle Which of the following describes the systemic circuit of circulation
blood moves from the left ventricle to the body (excluding the lungs)
The heart actually pumps blood to itself (to the myocardium). What is the name of the blood vessels that
supply the heart muscle with blood?
Which of the following represents the sequence of the cardiac conduction pathway
SA node, atria, AV node, ventricles
The (lubb dupp) sounds of the hearts are actually caused by
the valves closing
What is the name of this structure
left pulmonary artery
What is the name of this structure? pulmonary valve
Which valve prevents backflow into the right ventricle?
pulmonary semilunar valve
Which of the following transports oxygenated (oxygenrich) blood
The vena cavae and coronary sinus return deoxygenated (oxygenpoor) blood to which chamber
At the same time that the left ventricle pumps oxygenated blood to the aorta, the right ventricle pumps
deoxygenated blood to which of the following
In the figure shown, which component of the cardiac conduction system is indicated? sinoatrial (SA) node
Which is NOT a layer of the GI tract
What is the name of the structure labeled with the arrow?
What is the area of the tooth labeled with the arrow? dentin
What is another name for swallowing
What is the name of the region of the stomach l