bio exam 3
Which of the following is NOT an example of an innate defense?
phagocytosis.
The average pH of blood falls in a range of
slightly alkaline
During quiet breathing, inhalation
Is active and exhalation is passive.
The first phase of ventricular systole which builds pressure but does not create enough to pressure to open the semilunar valves is
Isovolumetric contaction
Which of the following represents an area expected to experience blood flow decrease during heavy exercise?
Kidneys
Tracheal cartilage is structurally in a C-Shape so that
Large masses of food can pass through the esophagus.
The chamber labeled "E" is the
Left ventricle
Which of the following is an agranular leukocyte?
Monocyte
The thickest layer of the heart is the
Myocardium
The immunity resistance that exists when you recover from a viral infection is an example of
Naturally acquired active immunity.
Passage of antibodies from mother to baby through breast milk is an example of
Naturally acquired passive immunity
The mechanism where an antibody binds to a bacteria or virus making it incapable of infecting cells is called
Neutralization.
Kirk has type AB blood. Which blood type would cause agglutination or cross reaction with his blood?
No blood types would agglutinate Kirk's blood.
Identify blood group (Solid,Solid,Dots)
O+
When the ventricles contract, the semilunar valves are _________ and the atrioventricular valves are _______
Open; closed
Lymphoid vessels differ from blood vessels in that lymphoid vessels
Originate as pockets rather than forming continuous tubes.
What is the major role of the substance depicted in Figure 11.1?
Oxygen Transport
Just prior to inhalation
P out = P in.
Chordae tendineae originate at the
Papillary muscles.
Which of the following will NOT increase heart rate?
Parasympathetic stimulation
Which of the following is the most superficial structure?
Parietal pleura
If you inhale as deeply as possible, and then exhale as much as possible, the expelled air is called your
Vital Capacity.A
Lymph from the body sections inferior to the diaphragm and the left side of the body collect in the
Thoracic duct.
Which of the following structures is NOT contained in the mediastinum?
Thyroid
What is the structure labeled "D"
Trachea
The right atrio-ventricular valve is the
Tricuspid
The membrane covering the heart is the
Visceral Pericardium
Figure 11.1 depicts which substance?
A hemoglobin protein
A recording of the electrical events in the heart is a
ECG
The primary cells of the immune system are
Lymphocytes
Immune cells that nonspecifically seek out abnormal cells and destroy them with perforins are
NK Cells
The most superior portion of the pharynx is the
Nasopharynx
What is the structure labeled "B" (face)
Nasopharynx
When heart rate increases, the greatest cardiac shortening occurs in
Both diastoles
Which of the following is NOT part of the upper respiratory system?
Bronchioles
The antibody titer in a primary antigen response peaks
After one to two weeks.
The advantage of the increased surface area of papillary ridges is to
Aid attachment of epidermis to the dermal layer.
Breathing through the nose rather than breathing through the mouth is advantageous because
Air is warmed on inhalation.
Blood in chamber "E" will next pass through the
Aortic semilunar valve
The large vessels that transport blood away from the heart are
Arteries
The structure labeled "B" is the
Atrioventricular node.
The localized general tissue response to injury is
Inflammation
When the cardiac cycle begins, the
Atrioventricular valve is open and the semilunar valves are closed.
The first "lubb" heart sound is associated with
Atrioventricular valves closing.
T Cells are generally responsible for controlling
Specific immunity against pathogens inside cells.
The largest mass of lymphoid tissue in the body is the
Spleen
The bone lying anterior to the heart is the
Sternum
Cardiac output depends on
Stroke volume and heart rate.
The right atrium receives blood from the
Superior and Inferior vena cava
The vessel labeled "A" is the
Superior vena cava.
The mature lymphocytes that are responsible for cell-mediated immunity are
T Cells
Increasing the diameter of a blood vessel by relaxing a muscle is called
Vasodilation
The afferent vessels of the heart are
Veins
The amount of blood arriving at the right ventricle each minute is
Venous Return
Relaxation of the lower chambers of the heart is called
Ventricular diastole
On this graph, the volumes of air indicated as "A", "B", and "C" when totaled equal the patients
Vital Capacity.
Disorders characterized by the immune system mistakenly attacking the body's own tissue are
Inherited autoimmune disorders.
The amount of air you can inhale above your resting tidal volume is called
Inspiratory reserve volume.
The opening from the nasal cavity to the nasopharynx is called the
Internal nares.
The second antibody response is
Faster than the primary response because of memory B cells.
The plasma component with a role in blood clotting is called
Fibrinogen
When the heart rate is 70 beats per minute and the stroke volume is 80 mL, what is the cardiac output?
5600 mL/min.
A patient inhales as deeply as possible. Where is that volume of air designated on the graph?
A
The nonspecific defense that denies access to pathogens is
A physical barrier
Which of the following is NOT apart of the conducting system?
Alveoli
Which of the following is the site for gas exchange
Alveoli.
Artificially induced passive immunity can be described as
An administered antibody in antiserum.
The structure that has cells that can take over if the dominant pacemaker of the heart fails is the one labeled
B
Identify blood group (Solid,dots,Solid)
B-
The respiratory mucosa consists of
Both an underlying layer of areolar tissue and an epithelium.
The vessels that exchange nutrients, respiratory gases, and waste are
Capillaries
Parasympathetic neurons that slow heart rate are contained in the
Cardiac inhibitory center.
The chemical characteristic that guides white blood cells toward damaged tissue is called
Chemotaxis
The structures labeled "D" are called
Chordae Tendineae
When the ventricles are relaxed the semilunar valves are ________ and the atrioventricular valves are ______
Closed:open
Blood is a type of ____________ Tissue
Connective
The process of inhalation
Increases volume and decreases pressure in the lungs.
The arteries of the pulmonary circuit carry
Deoxygenated blood from the heart.
The process of white blood cells migrating out of capillaries to the surrounding tissues is called
Diapedesis
The structure labeled "C" (face) is shared by which two organ systems?
Digestive and respiratory
Which of the following is NOT an example of a granular leukocyte?
Erythrocyte
Which of the following is not a function of the upper respiratory tract?
Exchanging gases with blood.
What is the name given to the air volume indicated on the graph as "C"
Expiratory reserve volume.
Oxyhemoglobin consists of
Four oxygen molecules and four hemes.
The structure labeled "A" is a(n)
Globin chain.
Blood from vessel "B" IS
Going to the lungs.
Air will move out of the lungs when the pressure inside the lungs is
Greater than atmospheric pressure.
What is the structure labeled "A"? (face)
Hard palate
The percent of whole blood volume contributed by formed elements is the
Hematocrit
The structure labeled "B" is a(n)
Heme
The abundant protein component of red blood cells is
Hemoglobin
Adult males typically have ___________ packed cell volumes than females because they have more ________________.
Higher; androgens
The formed elements with a role in blood clotting are
Platelets
The structures labeled "D" function to
Prevent prolapse of the bicuspid valve
Which of the following represents the marjor function of the respiratory cilia?
Preventing entry of large debris into alveoli.
Which of the following best describes the advantage of the serial branching structure of the respiratory system?
Provides a large surface area for exchange between air and blood.
The vessel labeled "B"
Pulmonary Veins
The structure labeled "C" is the
Purkinje fibers
The most abundant formed elements are
Red Blood Cells
Blood is able to raise body temperature by
Redistribute heat from skeletal muscles to temperature sensitive organs.
The structure labeled "C" is the
Right Atrium
The blood in chamber "C" will next flow to the
Right Ventricle
The pacemaker of the heart is normally the
SA Node
The respiratory tract is best defined as a(n)
Set of passageways that carry air to and from the gas exchange surfaces of the lungs.
The structure labeled "A" is the
Sinoatrial node
Peripheral vasoconstriction is stimulated by
The vasomotor center.
A typical red blood cell lasts
Two to Three months
Jennifer has type A blood. What blood type(s) would cause agglutination or cross reaction with her blood?
Types B and AB
Which of the following is NOT an important functional aspect of the biconcave design of red blood cells?
Undergo cell division quickly and efficiently.