Biology Exam 3- Part 2

22 Questions  I  By Akjohnson8363
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  • 1. 
    Which of the following is not true about the lymphatic system in our body?
    • A. 

      It drains fluid from tissues

    • B. 

      It defends body against damage and attack

    • C. 

      It transports fat from small intestine

    • D. 

      It transports oxygen and carbondioxide


  • 2. 
    In mammals, blood returning from the head will piss throug the ___ just before entering the right atrium..
    • A. 

      Reight ventricle

    • B. 

      Inferior vena cava

    • C. 

      Left atrium

    • D. 

      Superior vena cava

    • E. 

      Aorta


  • 3. 
    In mammals, which of the following vessles transports oxygenated blood from the lungs back to the heart?
    • A. 

      Coronary artery

    • B. 

      Pulmonary vein

    • C. 

      Pulmonary artery

    • D. 

      Vena cava

    • E. 

      Aorta


  • 4. 
    Blood is pumped from the heart to the lungs by the
    • A. 

      Left atrium

    • B. 

      Right ventricle

    • C. 

      Right atrium

    • D. 

      Left ventricle

    • E. 

      Pulmonary artery


  • 5. 
    From the left ventricle, oxygen rich blood flows through the
    • A. 

      Superior vena cava

    • B. 

      Inferior vena cava

    • C. 

      Pulmonary vien

    • D. 

      Aorta

    • E. 

      Pulmonary artery


  • 6. 
    Using a stethoscope you listen to a beating heart and hear "lub-dup, lub-dup".  These sounds are created by
    • A. 

      Muscles in the left ventricle

    • B. 

      Valves in the heart closing

    • C. 

      Muscles in the right atrium

    • D. 

      Blood pressure differentials from chamber to chamber

    • E. 

      Blood flowing through the aorta


  • 7. 
    Myocardinal infarction, also called a heart attack,
    • A. 

      Is the result of angina pectoris

    • B. 

      Results from the death of cardiac muscle cells

    • C. 

      Is unreleated to cigarette smoking

    • D. 

      Actually causes no permanent damage to the heart

    • E. 

      Is caused by excessive blood pressure i nthe heart


  • 8. 
    Which of the following is the cause of 40% of all deaths in the United states?
    • A. 

      Cancer

    • B. 

      HIV

    • C. 

      Cardiovascular disease

    • D. 

      Diabetes

    • E. 

      Flu


  • 9. 
    Which blood veseels have the thinnest walls?
    • A. 

      Aterioles

    • B. 

      Venules

    • C. 

      Veins

    • D. 

      Arteries

    • E. 

      Capillaries


  • 10. 
    In humans, which blood vessles have valves?
    • A. 

      Capillaries

    • B. 

      Venules

    • C. 

      Arterioles

    • D. 

      Veins

    • E. 

      Arteries in the neck


  • 11. 
    Which of the following can contribute to high blood pressure?
    • A. 

      Smoking

    • B. 

      Regular exercise

    • C. 

      Avoiding excess alcohol

    • D. 

      Maintining proper weight

    • E. 

      Eating a heart-healthy diet


  • 12. 
    The liquid part of the blood is called
    • A. 

      Extrastitial fluid

    • B. 

      Serum

    • C. 

      Plasma

    • D. 

      Water

    • E. 

      Anionic fluid


  • 13. 
    Which of these statments about erythrocytes is true?
    • A. 

      Oxygen is transported on the surface of leukocytes

    • B. 

      The main funciton of erythrocytes is to carry nutrients

    • C. 

      Erthrocytes are shaped like bioconcave diskes

    • D. 

      Erythrocytes in adult humans have nuclei

    • E. 

      Each erythrocyte contains about 250 millioni molecules of iron


  • 14. 
    What is the most common cuase of anemia?
    • A. 

      Inefficient hemoglobin production

    • B. 

      Low blood pressure

    • C. 

      Bone marrow cancer

    • D. 

      Vitamin deficiency

    • E. 

      Iron deficiency


  • 15. 
    An adults human red blood cells are formed in the
    • A. 

      Liver

    • B. 

      Thoracic cavity

    • C. 

      Bone marrow

    • D. 

      Abdominal cavity

    • E. 

      Spleen


  • 16. 
    Frogs have a three-chambered heart, and one circuit circulation system.
    • A. 

      True

    • B. 

      False


  • 17. 
    Pulmonary artery takes away blood from the heart to the lungs.
    • A. 

      True

    • B. 

      False


  • 18. 
    Person with blood group A has antigen A in RBC and antibody B in plasma.
    • A. 

      True

    • B. 

      False


  • 19. 
    Blood pressure is higher in arteries than in veins.
    • A. 

      True

    • B. 

      False


  • 20. 
    Anemia is caused by the reduction of red blood cells in blood or abnormall reduced hemoglobin in RBC.
    • A. 

      True

    • B. 

      False


  • 21. 
    Leukemia is cancer of white blood cells.
    • A. 

      True

    • B. 

      False


  • 22. 
    In a blood pressure reading, systolic pressure (high number) measures pressue exerted by contraction of the venticles of the heart.
    • A. 

      True

    • B. 

      False


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