Term
| Which mature cell has no nucleus, mitochondria, or ribosomes? |
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Definition
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Term
| Which of the following cell types can carry oxygen? |
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Definition
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Term
| Which of the following is not a leukocyte? |
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Definition
| Reticulocyte; but basophils, neutrophils, and monocytes are. |
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Term
Carbon dioxide is transported as bicarbonate ions because of a chemical reaction catabolized by the
enzyme: |
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Definition
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Term
| All blood cells are derived from: |
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Definition
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Term
| Heme is broken down into what pigment, which is excreted in bile? |
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Definition
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Term
| Which of the following cell types are classified as agranulocytes? |
|
Definition
| Lymphocytes and monocytes |
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Term
| Which type of white blood cells plays a major role in immunity to infectious diseases? |
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Definition
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Term
| Which of the following have the greatest power of phagocytosis in the tissues? |
|
Definition
| Neutrophils and monocytes |
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Term
| Thrombocytes are used for: |
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Definition
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Term
| Which of the following Rh factor combinations could cause agglutination of an infant’s red blood cells? |
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Definition
| Mother–, father+, infant+ |
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Term
| People with type AB blood are considered universal recipients because their blood: |
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Definition
| does not contain either anti-A or anti-B antibodies. |
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Term
| The type of plasma protein that constitutes more than half of the total amount is: |
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Definition
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Term
| Calcium is used in the clotting process during: |
|
Definition
stages I and II.
d. neither stage I nor stage II. |
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Term
| In stage II of clot formation, prothrombin is converted to: |
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Definition
|
|
Term
| Which of the following is an anticoagulant? |
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Definition
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Term
| The thickest layer of tissue in the heart wall is the: |
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Definition
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Term
| The right atrioventricular valve is also called the: |
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Definition
|
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Term
| Which of the following is not an atrioventricular valve? |
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Definition
| Aortic; the mitral, bicuspid, and tricuspid is. |
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Term
| The cavity of the heart that normally has the thickest wall is the: |
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Definition
|
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Term
| The structure referred to as the pacemaker of the heart is the: |
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Definition
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Term
| Which of the following vessels do not have the ability to constrict and dilate? |
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Definition
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Term
| Which of the following act as blood reservoirs? |
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Definition
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Term
| The order of blood flow through the vessels is: |
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Definition
| arteries, arterioles, capillaries, venules, and veins. |
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Term
| The palmar arches are branches of the: |
|
Definition
| radial and ulnar arteries. |
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Term
| Blood from the stomach and intestines goes to the liver through the: |
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Definition
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|
Term
| Atrioventricular valves prevent backflow of blood into the: |
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Definition
|
|
Term
| Which of the following is a cuspid valve? |
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Definition
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Term
| Which of the following is not a vessel of the aortic arch? |
|
Definition
| Right common carotid artery; but left subclavian, brachiocephalic, and left common carotid artery are. |
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Term
| The pulmonary arteries carry blood to the: |
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Definition
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|
Term
| Which of the following structures is not part of the conduction system of the heart? |
|
Definition
All of the above are part of the conduction system of the heart.
a. Sinoatrial node
b. Atrioventricular node
c. Atrioventricular bundles |
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Term
| The most important blood vessels in the cardiovascular system are the: |
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Definition
|
|
Term
| Semilunar valves open into: |
|
Definition
| the aorta and the pulmonary artery. |
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Term
| The QRS complex represents: |
|
Definition
| repolarization of the atria and depolarization of the ventricles. |
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Term
| All of the following will increase heart rate except: |
|
Definition
| stimulation of cold receptors in the skin. Heart rate will incrase by sympathetic stimulation, a decrease in aortic blood pressure, and a decrease in carotid blood pressure. |
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Term
| Which of the following is not true of the baroreceptors? |
|
Definition
| They are sensitive to changes in the oxygen content of the blood.; what is true is that they are stretch receptors, they send afferent nerve impulses to the cardiac control centers, and they are located in the carotid sinus and the aorta. |
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Term
| In the cardiac cycle, the R wave is recorded on an ECG during: |
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Definition
| isovolumetric contraction. |
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|
Term
| During the cardiac cycle, the second heart sound is heard during: |
|
Definition
| isovolumetric relaxation. |
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|
Term
The ECG deflection produced during repolarization of the atria and depolarization of the ventricles
is the: |
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Definition
|
|
Term
| Peripheral resistance is affected primarily by: |
|
Definition
| blood viscosity and the diameter of arterioles. |
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Term
Which of the following is not a mechanism that increases blood volume and therefore venous return
of blood to the heart? |
|
Definition
| Atrial natriuretic hormone |
|
|
Term
| The primary fluid flow principle of circulation is based on all of the following except a fluid: |
|
Definition
| flows only when a pressure gradient is absent. The primary flow principle of circulation s based on when fluid does not flow when the pressure is the same in all parts of it, flows only when its pressure is higher in one area than in another, and flows always from its higher-pressure area toward its lower-pressure area. |
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Term
| An increase in heart rate tends to: |
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Definition
do all of the above:
a. increase cardiac output.
b. increase arterial blood volume.
c. increase blood pressure. |
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|
Term
| The greatest drop in blood pressure occurs across the: |
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Definition
|
|
Term
| The greatest resistance to blood flow occurs in the: |
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Definition
|
|
Term
| Which of the following events will tend to cause a decrease in blood viscosity? |
|
Definition
| antidiuretic hormone mechanism. |
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|
Term
| Minute volume is equal to the: |
|
Definition
| pressure gradient divided by the resistance. |
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Term
| When you take a blood pressure reading, the first sound that you hear (top reading) is the: |
|
Definition
| systolic sound, indicating the contraction of the ventricles. |
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|
Term
Which of the following arteries is not one of the six major pressure points used to stop arterial
bleeding? |
|
Definition
| Axillary; but brachial femoral, and subclavian is. |
|
|
Term
| heart chamber that receives blood from the pulmonary vein |
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Definition
|
|
Term
| heart chamber that pushes blood through the right atrioventricular valve when it contracts |
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Definition
|
|
Term
| valve through which the left ventricle pumps blood |
|
Definition
|
|
Term
| blood vessel that empties into the right atrium |
|
Definition
|
|
Term
| blood vessel into which the right ventricle pumps blood through a semilunar valve |
|
Definition
|
|
Term
| blood vessel that carries blood from the lungs to the heart |
|
Definition
|
|
Term
| blood vessel into which the left ventricle pumps blood through a semilunar valve |
|
Definition
|
|
Term
| valve that opens into the left ventricle |
|
Definition
| left atrioventricular valve |
|
|
Term
| valve through which the right ventricle pumps blood |
|
Definition
| pulmonary semilunar valve |
|
|
Term
| heart chamber that pumps blood through the aortic semilunar valve |
|
Definition
|
|
Term
| valve that opens into the right ventricle |
|
Definition
| right atrioventricular valve |
|
|
Term
| heart chamber that receives blood that has just passed through the right atrioventricular valve |
|
Definition
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