12345 Which body system acts in a way similar to a transportation system? 1.circulatory...
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1 2 3 4 25% 25% 25% 25% 1 2 3 4 5 Which body system acts in a way similar to a transportation system? 1. circulatory 2. respiratory 3. nervous 4. excretory
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Transcript of 12345 Which body system acts in a way similar to a transportation system? 1.circulatory...
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Which body system acts in a way similar to a transportation system?
1. circulatory
2. respiratory
3. nervous
4. excretory
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Which of the following is NOT a part of the circulatory system?
1. heart
2. air passageway
3. blood vessels
4. blood
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The roads of a city are similar to what structures in the circulatory system?
1. heart
2. air passageway
3. blood vessels
4. blood
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In the walls of the heart, the thick layer of muscle is called the
1. epithelial tissue layer.
2. pericardium.
3. connective tissue layer.
4. myocardium.
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Which of the following pathways is the largest of the circulatory system?
1. systemic circulation
2. pulmonary circulation
3. lymphatic circulation
4. coronary circulation
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Where are the cells that make up the sinoatrial node, or pacemaker, located?
1. right atrium
2. left atrium
3. right ventricle
4. left ventricle
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Which is the correct direction of blood flow?
1. right atrium right ventricle pulmonary artery
2. right atrium left atrium pulmonary artery
3. left ventricle pulmonary artery aorta
4. left ventricle left atrium aorta
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In the heart, the mixing of oxygen-rich and oxygen-poor blood is prevented by the
1. mitral valve.
2. tricuspid valve.
3. septum.
4. pericardium.
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Compared with the walls of arteries, the walls of veins
1. are thicker.
2. are thinner.
3. lack valves.
4. have more resistance.
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Which of the following are the smallest of the blood vessels?
1. arteries
2. veins
3. lymphatic cells
4. capillaries
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Which of the following is NOT a type of blood vessel?
1. artery
2. vein
3. lymphatic cell
4. capillary
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The function of valves in the human circulatory system is to
1. stimulate the heartbeat.
2. accelerate the flow of blood.
3. prevent the backward flow of blood.
4. serve as a cushion to prevent friction.
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Which of the following is NOT an effect of exercise on the body?
1. Exercise helps control your weight.
2. Exercise reduces stress.
3. Exercise makes your heart stronger and more efficient.
4. Exercise increases the size of veins.
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Which of the following is true about blood pressure?
1. It is not affected by atherosclerosis.
2. It is lower in veins than in arteries.
3. It drops a great deal when traveling through arteries.
4. Diastolic pressure is higher than systolic pressure.
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A blood pressure reading of 120/80
1. indicates a diastolic blood prssure of 120.
2. is an indication of hypertension in a resting adult.
3. indicates a systolic blood pressure of 120.
4. is determined by using a sphygmomanometer to measure blood pressure in the veins.
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When the heart contracts, it produces a wave of fluid pressure in the
1. veins.
2. arteries.
3. capillaries.
4. pharynx.
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Which organ helps to regulate blood pressure?
1. spleen
2. kidney
3. liver
4. gall bladder
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When the blood pressure is constantly too high, the condition is known as
1. a heart attack.
2. hypertension.
3. atherosclerosis.
4. a stroke.
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When an infection occurs, the number of
1. red blood cells increases.
2. red blood cells decreases.
3. white blood cells increases.
4. white blood cells decreases.
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Which blood cells are most numerous in the body?
1. red
2. white
3. platelets
4. plasma
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Which of the following is NOT a function of blood?
1. regulate filtration
2. regulate body temperature
3. transport nutrients
4. fight infection
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Which of the following is correct about the composition of plasma?
1. It is 90 percent water.
2. It is 50 percent water.
3. It is 10 percent water.
4. It contains no water.
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How much blood does the human body contain?
1. 1–2 liters
2. 4–6 liters
3. 8–10 liters
4. 12–14 liters
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Which plasma proteins help to regulate osmotic pressure and blood volume?
1. albumins
2. globulins
3. fibrinogens
4. platelets
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In Figure 37–1, what does Step B show?
1. a clot forming
2. the capillary wall breaking
3. the clumping of platelets
4. the conversion of fibrinogen into fibrin
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Into what substance is fibrinogen converted?
1. thrombin
2. fibrin
3. platelets
4. thromboplastin
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Which of the following is the first step in blood clotting?
1. Thromboplastin converts prothrombin to thrombin.
2. Platelets release clotting factor.
3. Fibrin filaments produce a clot.
4. Thrombin converts fibrinogen into fibrin.
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Which of the following blood cells contain hemoglobin?
1. red blood cells
2. white blood cells
3. platelets
4. all of the above
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Swollen lymph nodes might indicate
1. an infection.
2. high blood pressure.
3. varicose veins.
4. an irregular heartbeat.
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Which body system collects the fluid that is lost by the blood and returns it to the
circulatory system?1. integumentary
2. lymphatic
3. respiratory
4. nervous
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What is the term used to describe a swelling of the tissues due to the accumulation of
excess fluid?1. hemophilia
2. stroke
3. edema
4. hypertension
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Which of the following is NOT a function of the lymphatic system?
1. collect and return lost fluid to the circulatory system
2. filter fluid
3. absorb protein
4. carry fat-soluble vitamins to the blood
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The process by which oxygen and carbon dioxide are exchanged between cells, the
blood, and air in the lungs is called1. systemic
circulation.
2. respiration.
3. emphysema.
4. cellular respiration.
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Which of the following are signs that a person is breathing?
1. hearing or feeling air being exhaled from the nose
2. chest rising and falling
3. hearing or feeling air being exhaled from the mouth
4. all of the above
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Which of the following activities is the best analogy for respiration?
1. exchanging gifts
2. giving a gift
3. receiving a gift
4. sitting in a chair
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Which of the following statements about lungs is INCORRECT?
1. They are muscular.
2. They are elastic.
3. They are surrounded by pleura.
4. They are above the diaphragm.
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What structure serves as a passageway for both air and food?
1. pharynx
2. trachea
3. larynx
4. bronchus
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Air is filtered, warmed, and moistened in the
1. nose and mouth.
2. throat.
3. lungs.
4. pharynx.
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Air is forced into the lungs by the contraction of the
1. alveoli.
2. bronchioles.
3. diaphragm.
4. heart.
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Because there is more oxygen in an alveolus than in the blood around it, oxygen
diffuses1. from capillaries into
the veins.
2. from arteries into the capillaries.
3. from alveoli into the blood.
4. from blood into the alveolus.
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Generally speaking, what controls breathing?
1. the brain
2. the lungs
3. the diaphragm
4. the heart
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The nicotine in cigarette smoke causes
1. blood pressure to decrease.
2. heart rate to increase.
3. blood pressure to increase.
4. both b and c.
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Chronic bronchitis, emphysema, and lung cancer can be caused by
1. swollen bronchi.
2. enlarged alveoli.
3. groups of cancer cells.
4. smoking.
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Which of the following is NOT contained in tobacco smoke?
1. carbon monoxide
2. caffeine
3. nicotine
4. tar
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What gas, found in cigarette smoke, blocks the transport of oxygen by hemoglobin in the
blood?1. hydrogen
peroxide
2. carbon dioxide
3. carbon monoxide
4. sodium bicarbonate
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Humans have an open circulatory system. _________________________
1. True
2. False
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Flaps of connective tissue called valves are located between the atria and the ventricles.
_________________________1. True
2. False
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The lower chamber of each side of the heart, which pumps blood out of the heart, is the atrium. _________________________
1. True
2. False
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Except for the aorta, all arteries carry oxygen-rich blood.
______________________________1. True
2. False
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The first number of a blood pressure measurement is the diastolic pressure.
_________________________1. True
2. False
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If you have “swollen glands,” you actually have swollen lymph nodes.
_________________________1. True
2. False
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About 45 percent of the volume of blood consists of plasma.
_________________________1. True
2. False
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White blood cells called basophils engulf and digest
bacteria._________________________1. True
2. False
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Lymph nodes act as filters, trapping bacteria and other microorganisms that cause
disease. _________________________1. True
2. False
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The process by which oxygen and carbon monoxide are exchanged between cells, the blood, and air in the lungs is
known as respiration. _________________________
1. True
2. False
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The pharynx is a piece of cartilage that covers the entrance to the trachea when you
swallow. _________________________1. True
2. False
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Gas exchange occurs by diffusion across the membrane of an alveolus and a
capillary. _________________________1. True
2. False
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At the bottom of the chest cavity is a large, flat muscle known as the pleural membrane.
_________________________1. True
2. False
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The brain controls breathing in a center located in the medulla oblongata. _________________________
1. True
2. False
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Lung cancer is defined as a loss of elasticity in the tissues of the lungs.
_________________________1. True
2. False
Participant Scores
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0 Participant 2
0 Participant 3
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0 Participant 5
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A circulating fluid called ____________________ is pumped through
a system of vessels in the body.
Figure 37–2
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In Figure 37–2, the area labeled B represents the capillaries of a
____________________.
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In Figure 37–2, the upper systemic circulation is labeled
____________________.
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Medical workers use a sphygmomanometer to measure ____________________.
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Fatty deposits called plaque build up on the walls of arteries, causing a condition known
as ____________________.
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Plasma consists mostly of ____________________.
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A genetic disorder called ____________________ results from a defective protein in the clotting pathway.
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The iron-containing protein called ____________________ binds to oxygen in the lungs and transports it to tissues
throughout the body where the oxygen is released.
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The phrase “swollen glands” refers to swelling of the
_________________________.
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At the cellular level, respiration is defined as the release of ____________________ from the breakdown of molecules
in food in the presence of oxygen.
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Inhaled air passes from the trachea to one of the two ____________________.
0 of 51 2 3 4 5
Your ability to sing, shout, and speak comes from two highly elastic folds of tissues called the vocal
cords, located within the ____________________.
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Breathing is such an important function that your ____________________ system will not let you have complete control over it.
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The alveoli of the lungs are surrounded by ____________________.
0 of 51 2 3 4 5
Carbon monoxide blocks the transport of ____________________ by hemoglobin in
the blood.
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Why do larger organisms need a circulatory system?
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What are the three parts of the circulatory system?
Figure 37–2
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Based on Figure 37–2, what three blood vessels carry oxygen-poor blood?
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Identify and compare the functions of the three types of blood vessels of the
circulatory system.
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What is blood pressure?
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What health problems can occur as a result of hypertension?
0 of 51 2 3 4 5
Describe blood plasma.
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List the main functions of the three types of blood cells.
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If the lymphatic system did not function, what would be the immediate effects on the
human body?
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What is the basic function of the human respiratory system?
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List in order the structures of the respiratory system through which air passes from the
outside environment to the alveoli.
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What is the function of the sternum?
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In what stage of breathing is the total volume of the chest cavity largest?
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Are the ribs raised or lowered after you exhale?
0 of 51 2 3 4 5
Name and describe three respiratory diseases that can be caused by smoking.
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Describe the function of each of the following: (a) the muscular walls of the large arteries, (b) the
valves in the veins, and (c) the valves in the heart.
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Using a road transportation analogy, describe the three different types of blood
vessels.
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How does the body regulate blood pressure?
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Identify the percentages of living cells and plasma that make up the volume of blood in the human
body, and describe what plasma consists of.
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How do white blood cells guard against infection, fight parasites, and attack
bacteria?
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What is the lymphatic system and what are its functions?
0 of 51 2 3 4 5
Compare cellular respiration with respiration.
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Why is it better to inhale through your nose than through your mouth?
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Why can’t a person hold a breath long enough to harm oneself from a lack of
oxygen?
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Why do many smokers cough a lot?
