Circulatory & Respiratory Quiz
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a flap of tissue that closes when we eat so food doesn’t not go down the trachea
A. larynx
B. pharynx
C. trachea
D. epiglottis
Blood is a type of
A. connective tissue
B. epithelial tissue
C. vascular tissue
D. muscular tissue
E. soft tissue
Which of the following occurs during diastole?
A. The atria fill with blood
B. Blood flows into the ventricles
C. The elastic recoil of the arteries maintains blood pressure
D. The semilunar valves are closed but the AV valves are open
E. All of these things occur
Which structure prevents the backflow of blood from the ventricles to the atria?
A. AV valves
B. septum
C. sinoatrial node
D. atrioventricular node
E. superior vena cava
Two muscular structures control air pressure inside the lungs. Changes in air pressure cause air to move into and out of the lungs. Inhalation is the result of
A. contraction of the diaphragm and pleural membranes
B. contraction of the diaphragm and intercostal muscles
C. relaxation of the diaphragm and intercostal muscles
D. relaxation of the diaphragm and intercostal muscles
E. none of these
Inhaled air passes through which of the following structures last?
A. bronchus
B. trachea
C. pharynx
D. bronchiole
E. larynx
How is carbon dioxide transported in the blood?
A. Dissolved in Plasma
B. Bound to Platelets
C. Hemoglobin in Red Blood Cells
D. Hemoglobin in White Blood Cells
Thin-walled vessels that allow for the exchange of O2 , CO2, nutrients and wastes between blood cells or air sacs in the lungs
A. Arteries
B. Veins
C. Capillaries
How is oxygen transported in the blood?
A. Hemoglobin in White Blood Cells
B. Dissolved in Plasma
C. Hemoglobin in Red Blood Cells
D. Bound to Platelets
Name part N.
A. Right atrium
B. left atrium
C. right ventricle
D. left ventricle
Which structure initiates a heartbeat?
A. AV node
B. SA node
C. left ventricle
D. left atrium
E. right ventricle
Two thin membranes surround the lungs. What are these membranes called?
A. pericardial membranes
B. pleural membranes
C. meninges
D. cilia
E. capsules
Anemia can result from
A. an iron-rich diet
B. an increase in red blood cell count
C. lack of hemoglobin production
D. reduced blood pressure
E. reduced number of leukocytes
Which of the following is required from a terrestrial mammals respiratory system?
A. thin permeable membrane
B. large surface area
C. moist membranes for gas exchange
D. good supply of blood
E. all of these
Name part A.
A. Pulmonary artery
B. Pulmonary vein
C. Superior vena cava
D. Aorta
What do Red-Blood cells do?
A. Carry oxygen from the lungs to the body cells and transport carbon dioxide from the cells back to the lungs
B. keeps blood flowing in one direction to the heart and prevent blood from flowing backwards
C. Collects blood from the capillaries and drain it into the veins
D. Bring nutriients to the cells and carries away waste materials.
Which of the following initiate the blood clotting process?
A. red blood cells
B. plasma
C. white blood cells
D. platelets
E. all of these
The heart has ___ chambers.
A. 1
B. 2
C. 3
D. 4
What causes the semilunar valves to open?
A. contraction of the ventricles
B. contraction of the atria
C. stimulation of the SA node
D. backflow of blood in the aorta and pulmonary artery during diastole
E. contraction of the cardiac muscle that makes up the valves
What is the function of the heart?
A. To pump blood around the body
B. To remove oxygen from the blood
C. To allow blood to flow through it
D. To breath
What blood vessels bring blood to the lungs?
A. arteries
B. veins
C. capillaries
What type of blood vessels brings blood away from the lungs?
A. arteries
B. veins
C. capillaries
Which of the following bring blood into the right atrium
A. aorta
B. pulmonary artery
C. pulmonary veins
D. vena cava
E. brachiocephalic artery
The “lub,” or first heart sound , is produced by the closing of
A. the aortic semilunar valve
B. the pulmonary semilunar valve
C. the tricuspid valve
D. the bicuspid valve
E. both AV valves
If the trachea and esophagus were completely separate in humans, which of the following would NOT be needed?
A. swallowing
B. a nose
C. an epiglottis
D. a diaphragm
E. all are correct
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