Circulatory System Test Wizard
The concentration of carbon dioxide in the blood decreases, and the concentration of oxygen increases. (1) Pulmonary circulation (2) Systemic circulation (3) Coronary circulation (4) Lymphatic circulation
(1) Pulmonary circulation
Oxygen is delivered to the liver from the heart. (1) Pulmonary circulation (2) Systemic circulation (3) Coronary circulation (4) Lymphatic circulation
(2) Systemic circulation
A reduced number of red blood cells resulting from exposure to radiation released in a nuclear accident (1) High blood pressure (2) Polio (3) Anemia (4) Angina pectoris (5) Leukemia (6) Ulcer
(3) Anemia
Cardiac muscle tissue is supplied with nutrients and oxygen. (1) Pulmonary circulation (2) Systemic circulation (3) Coronary circulation (4) Lymphatic circulation
(3) Coronary circulation
An inadequate supply of oxygen to the heart resulting from a narrowing of the coronary arteries (1) High blood pressure (2) Polio (3) Anemia (4) Angina pectoris (5) Leukemia (6) Ulcer
(4) Angina pectoris
Production by the bone marrow of large numbers of nonfunctional white blood cells (1) High blood pressure (2) Polio (3) Anemia (4) Angina pectoris (5) Leukemia (6) Ulcer
(5) Leukemia
Blood type with anti-B antibodies is blood type A) A B) B C) AB D) O
A) A
What is a major difference between red blood cells and white blood cells? A) Red blood cells contain hemoglobin, but white blood cells do not. B) Red blood cells can move, but white blood cells cannot. C) Red blood cells contain nuclei, but white blood cells do not. D) Red blood cells engulf foreign bacteria, but white blood cells do not.
A) Red blood cells contain hemoglobin, but white blood cells do not.
Which statement best describes arteries? A) They have thick walls and transport blood away from the heart. B) They have thick walls and transport blood toward the heart. C) They have thin walls and transport blood away from the heart. D) They have thin walls and transport blood toward the heart.
A) They have thick walls and transport blood away from the heart.
Which condition has been linked to a diet that is high in saturated fats? A) angina pectoris B) arthritis C) mental retardation D) emphysema
A) angina pectoris
Which antibodies, if any, are in the plasma of blood type B? A) anti-A, only B) anti-B, only C) both anti-A and anti-B D) neither anti-A nor anti-B
A) anti-A, only
Red blood cells are produced in the A) bone marrow B) lymph nodes C) liver D) arteries
A) bone marrow
The right ventricle is the chamber of the heart which contains: A) deoxygenated blood and pumps blood to the lungs B) deoxygenated blood and pumps blood to the brain C) oxygenated blood and pumps blood to the lungs D) oxygenated blood and pumps blood to the brain
A) deoxygenated blood and pumps blood to the lungs
Which part of human blood transports hormones and nutrients? A) plasma B) platelets C) red blood cells D) white blood cells
A) plasma
Bleeding from a small cut soon stops due to the release of enzymes from A) platelets B) activated antibodies C) hemoglobin D) white blood cells
A) platelets
The flow of blood to and from the lungs is referred to as A) pulmonary circulation B) systemic circulation C) autonomic circulation D) somatic circulation
A) pulmonary circulation
An injury to a blood vessel may result in the formation of a blood clot when: A) ruptured platelets release enzymes B) white blood cells release antibodies C) bone marrow cells decrease platelet production D) kidney tubules synthesize clotting factors
A) ruptured platelets release enzymes
The human heart is separated into left and right sides. This type of structure provides for the A) separation of oxygenated blood from deoxygenated blood B) prevention of blood clots in the ventricles C) pumping of blood directly into the atria from the ventricles D) circulation of blood in an open circulatory system
A) separation of oxygenated blood from deoxygenated blood
A structure that prevents the backflow of blood into the right ventricle is indicated by the A) tricuspid valve B) pulmonary artery C) pulmonary veins D) inferior vena cava
A) tricuspid valve
For blood to pass through the heart from the left atrium to the left ventricle, it must first pass through A) an artery B) a valve C) a vein D) a capillary
B) a valve
An insufficient amount of hemoglobin is most closely associated with the disorder known as A) angina B) anemia C) coronary thrombosis D) high blood pressure
B) anemia
Which transport vessel is correctly paired with its usual function? A) lymph vessels - add blood toward the heart B) capillary - provides a site for the exchange of materials between the blood and body tissues C) artery - filters bacteria and dead cells from the lymph and the blood D) vein - produces white blood cells
B) capillary - provides a site for the exchange of materials between the blood and body tissues
The breaking apart of platelets in the blood helps in the A) synthesis of hemoglobin B) formation of a clot C) release of antibodies D) deamination of amino acids
B) formation of a clot
A blockage in the pulmonary artery would directly reduce blood flow to the A) heart B) lungs C) liver D) brain
B) lungs
Which part of the blood is correctly paired with its function? A) red blood cells - fight infection B) plasma - transports wastes and hormones C) platelets - produce antibodies D) white blood cells - carry oxygen
B) plasma - transports wastes and hormones
In the ventricles, deoxygenated blood is prevented from mixing with oxygenated blood by the A) inferior vena cava B) septum C) pulmonary veins D) pulmonary artery
B) septum
Unlike white blood cells, red blood cells: A) form antibodies B) transport O2 and CO2 C) are formed in lymphatic tissue D) clot the blood
B) transport O2 and CO2
A cell is surrounding a virus and physically breaking it down. What is the function and cell most similar to this? A) Cell A is a white blood cell releasing antigens to destroy bacteria. B) Cell A is a cancer cell produced by the immune system and it is helping to prevent disease. C) Cell A is a white blood cell engulfing disease- causing organisms. D) Cell A is protecting bacteria so they can reproduce without being destroyed by predators.
C) Cell A is a white blood cell engulfing disease- causing organisms.
To determine heart rate, a student should count the pulsations per minute in A) a vein B) a capillary C) an artery D) a lymph vessel
C) an artery
Human blood types in the ABO blood group areidentified by A) a series of enzyme-controlled synthesis reactions B) microscopic examination of white blood cells C) antigen-antibody reactions D) clotting factors in the plasma
C) antigen-antibody reactions
Leukemia is a disease of the A) liver B) heart C) bone marrow D) islets of Langerhans
C) bone marrow
Dissolved nutrients, wastes, and oxygen are exchanged between the blood and intercellular fluid through the walls of A) arteries B) veins C) capillaries D) ventricles
C) capillaries
The thin-walled vessels of the circulatory system where most oxygen and carbon dioxide are exchanged are A) alveoli B) arteries C) capillaries D) veins
C) capillaries
Veins are blood vessels that A) deliver blood to the cells of the body B) contain striated muscle C) carry blood toward the heart D) readily exchange materials between the blood and body cells
C) carry blood toward the heart
An infection in the body might result in a sudden A) decrese in the activity of antigens produced by the mitochondria B) decrese in the amount of DNA present in the nuclei of cells C) increase in the activity of white blood cells D) increase in the number of red blood cells
C) increase in the activity of white blood cells
Which sequence represents part of the normal pathway of blood? A) left ventricle - left atria - right atria - right ventricle - pulmonary artery B) superior vena cava - right ventricle - right atria - aorta - left ventricle C) left atria - left ventricle - aorta - superior vena cava - right atria D) pulmonary veins - left atria - left ventricle - pulmonary artery - superior vena cava
C) left atria - left ventricle - aorta - superior vena cava - right atria
In the human body, the blood with the greatest concentration of oxygen is found in the: A) cerebrum of the brain B) nephrons of the kidney C) left atrium of the heart D) right atrium of the heart
C) left atrium of the heart
Maintenance of proper levels of intercellular fluid is most closely associated with A) pulmonary circulation B) coronary circulation C) lymphatic circulation D) systemic circulation
C) lymphatic circulation
Oxygenated blood from the left lung is returned to the heart through A) inferior vena cava B) aorta C) pulmonary veins D) pulmonary artery
C) pulmonary veins
The movement of blood from the legs toward the heart is hindered by gravity. The effect of gravity is counteracted by A) smooth muscle in the capillaries B) cilia lining the blood vessels C) valves in the veins D) lymph nodes near major vessels
C) valves in the veins
Which statement most accurately describes the human heart? A) It has two atria and one ventricle, and it pumps blood directly into veins. B) It has one atrium and one ventricle, and it is composed of cardiac muscle. C) It has one atrium and two ventricles, and it is composed of visceral muscle. D) It has two atria and two ventricles, and it pumps blood directly into arteries.
D) It has two atria and two ventricles, and it pumps blood directly into arteries.
A person who consumes large amounts of saturated fats may increase his or her chances of developing A) meningitis B) hemophilia C) viral pneumonia D) cardiovascular disease
D) cardiovascular disease
Which function is associated with phagocytes in the blood? A) initiating blood clots B) transporting dissolved nutrients C) producing hormones D) engulfing bacteria
D) engulfing bacteria
High blood pressure can usually be reduced if a person A) eats a diet high in salt and reduces physical activity B) eats a diet high in saturated fats and reduces stress C) reduces physical activity and decreases the consumption of complex carbohydrates D) exercises regularly and lowers the amount of saturated fats consumed
D) exercises regularly and lowers the amount of saturated fats consumed
The muscular nature of the walls of ventricles is most closely associated with their function of A) storing blood from the body B) producing red blood cells C) maintaining pressure lower than that in the atria D) forcing blood to the lungs and body
D) forcing blood to the lungs and body
Oxygen transport in humans involves the bonding of oxygen with A) white blood cells B) platelets C) hormones D) hemoglobin molecules
D) hemoglobin molecules
The muscular chamber of the heart that pumps oxygenated blood into systemic circulation is A) left atrium B) right ventricle C) right atrium D) left ventricle
D) left ventricle
Which statement correctly describes the activities of the components of human blood? A) Both red blood cells and platelets function in immune responses, and white blood cells transports oxygen. B) red blood cells, platelets, and white blood cells are able to synthesize hemoglobin. C) Both platelets and white blood cells provide immunity, and red blood cells transports nutrients. D) red blood cells transports oxygen, platelets initiates clots, and white blood cells functions in immune responses.
D) red blood cells transports oxygen, platelets initiates clots, and white blood cells functions in immune responses.
Which sequence correctly represents the flow of blood through the heart? A) left atria - left ventricle & right ventricle - right atria B) right ventricle - right atria & left ventricle - left atria C) right atria - right ventricle & left ventricle - left atria D) right atria - right ventricle & left atria - left ventricle
D) right atria - right ventricle & left atria - left ventricle
The valves of the heart open because of pressure produced by blood in the: A) capillaries B) arteries C) liver D) ventricles
D) ventricles