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The Most important chemical stimulus leading to increasing rate and depth of breathing is: |
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increased carbon dioxide in the blood |
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The immune serum used to prevent maternal sensitization to Rh antigens is: |
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RhoGAM |
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Lymph from the left arm returns to the heart through the: |
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Thoracic duct |
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The pharynogotympanic tubes, which drain the middle ear, open into the : |
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nasopharynx |
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Chest pain resulting from the loss of oxygen to heart cells is called: |
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angina pectoris |
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The gas exchange that occurs between blood and tissue cells at systemic cappillaries is called: |
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internal respiration |
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In a Centrifuged blood sample, the buffy coat between the formed elements and the plasma contains: |
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Leukocytes and Platelets |
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Coronary heart diesease results from: |
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The accumulaion of fatty substances within blood vessels |
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The average functional lifespan of an RBC is: |
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100-120 days |
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Erythocytes: |
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lack a nucleus and most organelles |
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what is the most common cause for lung cancer: |
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smoking |
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The lymph tissues found within the walls of the small intestine are called: |
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Peyer's patches |
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The opening between the vocal cord is called the: |
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glottis |
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A substance that stimulates the immune system to release antibodies: |
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antigen |
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Pulmonary circulation involves blood flow to and from the heart and the: |
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lungs |
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Which of these blood types carries no antigens |
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type O |
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What specific type of acquired immunity do vaccines provide: |
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artificially acquired active immunity |
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Hematocrit is the precentage of: |
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erytorocytes in blood |
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Which of the following is NOT a mechanism that aids lymph return: |
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the pumping action of the hear |
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Normal whole blood contains____g of hemoglobin per 100mL. |
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12-18 |
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Vaccines are NOT for: |
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snakes bites |
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Which one of the following is NOT one of the four most common indicators of the inflammatory response: |
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fever |
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The study of immunity is called: |
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immunology |
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WHich of the following substances is NOT typically perceived as an antigen: |
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self antigens |
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The homeostatic imbalance associated with the death of may full-terms newborn infants is called: |
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SIDS |
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Which blood types can a person with blood type O recieve: |
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Type O |
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Which of the Following represents the correct path for the transmission of an impulse in the intrinsic conduction system of the heart: |
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sinoatrial(SA)node,atioventricular (AV) node, AV bundle right and left bundle branches, purkinje fibers |
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Expiration(Exhalation)occurs when: |
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diaphragm and Itercoastal muscles relax |
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Which lympathic organ's ,major job is to destroy worn-out red blood cells and return some of the products to the liver: |
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spleen |
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B cells develop immunocompetence in the: |
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Bone marrow |
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The molecule that prevents lung collaps by lowering the surface tension of the water film lining each alveolar sac is called: |
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surfactant |
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The presence of air in the intrapleural space is known as: |
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pneumothorax |
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The hormone that regulates the rate of erythrocyte production is called: |
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erythropoietin |
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Hypoventilation dramatically increases carbonic acid concentration and involves: |
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extremely slow breathing |
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What is the role of mucus in the nasal cavity: |
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trap incoming bacteria and other foreign debris |
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The nasal cavity is seperated from the oral cavity by: |
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both the hard and soft palate |
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A person with a heart rate of 75 beats per minute and a stroke volume of 60mL per beat has a cardiac output of: |
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4500mL/minute |
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Surfactant is usually present in fetal lungs in adequate quantities by: |
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28-30 weeks of pregnancy |
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The process by which neutrophils are squeezed through the capillary walls during the inflammatory process is called: |
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diapedesis |
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The tricuspid valve is located between the: |
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right atrium and right ventricule |
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|
The most common type of blood is the U.S. population is: |
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O |
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Exchange of both oxygen and Carbon dioxide through the respiratory membrane occurs by: |
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Simple diffusion |
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The most numerous white blood cells are the: |
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Neutrophils |
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The volume of blood pumped out by each ventricle with each beat of the heart is called the: |
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stroke volume |
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Which lymphoid tissues trap and remove bacteria entering the throat: |
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Tonsils |
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The univeral recipient has blood type: |
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AB |
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Gas Exchang occurs in the: |
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alveoli |
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The specific type of acquired immunity that a fetus obtains from maternal antibodies that cross the placenta is called: |
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artificially acquired passive immunity |
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|
The respiratory conducting passageways perform all of the following functions EXCEPT: |
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exchange gases |
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|
The respiratory rate in adults is: |
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12-18 respiratons per minute |
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The body's first line of defense against the invasion of disease-causing microorganisms is: |
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Skin and mucous membranes |
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Veins: |
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often have valves to prevent the backflow of blood |
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A clot that breaks away from a vessel wall and circulates freely within the bloodstream is called: |
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embolus |
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Which of the following values is typical for the number of white blood cells in a cubic mllimeter of blood: |
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5,000 |
| |
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Cessation of breathing is called: |
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apnea |
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|
The thymus gland is most active during: |
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adolescence |
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Lymph is largely composed of water that has escaped from: |
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Blood |
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The path of blood frow within the systemic vascular system is: |
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arteries, arterioles, capillary beds,venules, veins |
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The body's temperature-regulating"thermostat" that can be reset upward in response to pyrogens: |
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Hypothalamus |
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Hyperventilaton leads to all of the following except: |
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Build up of carbon dioxide in the blood |
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The lymph organ that programs Tcells and functions at peak levels only during youth is the: |
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thynys |
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which one of the following blood vessels carries oxygenated blood: |
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pulmonary Vein |
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|
Which of the following is NOT true of hte lungs : |
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Both lung have two lobes |
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Terminal bronchioles eventually terminate in: |
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alveoli |
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The Sinotial node is located in the: |
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right atrium |
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Which blood type contains the A antigen only: |
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blood type A |
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Carbon dioxide dissolves in blood plasm for transport as: |
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Bicarbonate ion |
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The serous membrane covering the surface of the lungs is called the: |
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visceral pluera |
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where are the tonsils located: |
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throat |
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which of the following is NOT one of the four main events of respiration: |
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residual volume |
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Vibration due to exhaled air that results in speech is a function of the: |
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true vocal cords |
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An isograft is a tissue graft donated by: |
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an identical twin |
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The flap of elastic cartillage that protects food from entering the larynx when swallowing is the: |
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epiglottis |
| |
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Contaminated mucus is removed from the lower repiratory passageways, such as the trachea , by |
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cilia |
| |
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oxygen binds with hemoglobin in the blood to form: |
|
oxyhemoglobin |
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Which congenital respiratory disease results in the oversecretion of mucus and clogging of respiratory passageways: |
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cysitc fibrosis |
| |
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where does hematopoiesis produce new red blood cells |
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red bone marrow |
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WHich one of the following formed elements in the most abundant: |
|
erythocytes |
| |
|
The bluish cast that can result from inadequate oxygenation of the skin mucosa is called: |
|
cyanosis |
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Following the removal of the laynx, a person would be unable to: |
|
speak |
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whens your bday? |
|
february 10th |
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