Bio 208 Exam III

33 Questions | Total Attempts: 87

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Bio 208 Exam III - Quiz

Questions and Answers
  • 1. 
    Histamine increases blood flow and vascular permeability.  This would account for which of the following changes that occur during inflamamation?
    • A. 

      Redness of the inflamed tissue

    • B. 

      Swelling of the inflamed tissue

    • C. 

      Heat of the inflamed tissue

    • D. 

      The localization of proteins and cells necessary for body defenses

    • E. 

      All of the above

  • 2. 
    An example of a hormone that functions as a vasoconstrictor is...
    • A. 

      Histamine

    • B. 

      Prostoglandin

    • C. 

      Bradykinn

    • D. 

      Serotonin

    • E. 

      Adrenaline

  • 3. 
    Blood osmotic pressure is most affected by changes in the...
    • A. 

      Concentration of plasma sodium ions

    • B. 

      Concentration of plasma waste glucose

    • C. 

      Concentration of plasma waste proteins

    • D. 

      Concentration of plasma proteins

    • E. 

      Number of white blood cells

  • 4. 
    Each of the following changes will result in increased blood flow to a tissue EXCEPT
    • A. 

      Increased blood volume

    • B. 

      Decreased vessel diameter

    • C. 

      Increased blood pressure

    • D. 

      Decreased peripheral resistance

    • E. 

      Relaxation of precapillary sphincters

  • 5. 
    Which of the responses below is NOT true of Kwashiorkor Edema
    • A. 

      Involves a blockage of lymphatic ducts

    • B. 

      Involves a lowering of plasma protein

    • C. 

      Involves an increase of interstitial volume

    • D. 

      Involves poor nutrition

    • E. 

      Involves alterations in osmotic pressure

  • 6. 
    In response to hemorrhage, there is
    • A. 

      Mobilization of venous reserve

    • B. 

      Increased parasympathetic stimulation of the heart

    • C. 

      Decreased vasomotor tone

    • D. 

      Decreased vasomotor tone and mobilization of venous reserve only

    • E. 

      All of the above

  • 7. 
    Edema would be likely to form when
    • A. 

      The concentration of protein in the blood increases

    • B. 

      Hemorrhage occurs

    • C. 

      The heart is an insufficient pump

    • D. 

      Blood hydrostatic pressure at the capillary decreases

    • E. 

      Blood hydrostatic pressure at the capillary is equal to blood osmotic pressure

  • 8. 
    Relaxation of ventricles and filling of atria is defined as
    • A. 

      Ventricular diastole

    • B. 

      Ventricular systole

    • C. 

      Atrium diastole

    • D. 

      Atrium systole

    • E. 

      Bainbridge reflex

  • 9. 
    The left and right pulmonary veins carry blood to the
    • A. 

      Right atrium

    • B. 

      Right ventricle

    • C. 

      Left atrium

    • D. 

      Left ventricle

    • E. 

      Lungs

  • 10. 
    A heart sound is heard when
    • A. 

      The semilunar valves open

    • B. 

      The atria contract

    • C. 

      Valves open

    • D. 

      Valves close

    • E. 

      Blood enters the aorta

  • 11. 
    The heart valve occurring between the LA and LV is called the _____valve
    • A. 

      Aortic (semilunar)

    • B. 

      Pulmonary semilunar

    • C. 

      Tricuspid

    • D. 

      Aortic tricuspid

    • E. 

      Mitral (bicuspid)

  • 12. 
    According to Starling's law of the heart, the cardiac output is directly related to 
    • A. 

      The size of the ventricles

    • B. 

      The heart rate

    • C. 

      Venous return

    • D. 

      The thickness of the myocardium

    • E. 

      The amount of blood in the circulatory system

  • 13. 
    Cardiac output is equal to
    • A. 

      The difference between the diastolic volume and the systolic volume

    • B. 

      The product of heart rate and stroke volume

    • C. 

      The difference between rest stroke volume and exercising stroke volume

    • D. 

      The stoke volume less the systolic volume

    • E. 

      The product of heart rate and blood pressure

  • 14. 
    An inability for the body to produce proper RBCs is most closely associated with
    • A. 

      Thalassemia

    • B. 

      Hemophilia

    • C. 

      Diapedesis

    • D. 

      Hemostasemia

    • E. 

      Leukemia

  • 15. 
    Serum...
    • A. 

      Is the same as blood plasma

    • B. 

      The plasma minus the formed elements

    • C. 

      Is plasma minus the proteins

    • D. 

      Is plasma minus the clotting proteins

    • E. 

      Is plasma minus the electrolytes

  • 16. 
    Aged and damages erythrocytes (RBCs) are broken down by the 
    • A. 

      Yellow bone marrow

    • B. 

      Kidneys

    • C. 

      Digestive tract

    • D. 

      Spleen

    • E. 

      Thymus gland

  • 17. 
    Anemia is most closely associated with
    • A. 

      High levels of oxygen in tissues

    • B. 

      Hematocrit value of less than 40

    • C. 

      Low levels of carbon dioxide in tissues

    • D. 

      Hematocrit value of more than 40

    • E. 

      Hematocrit value of more than 50

  • 18. 
    A drifting blood clot is called a(n)
    • A. 

      Platelet plug

    • B. 

      Thrombus

    • C. 

      Plaque

    • D. 

      Coagulant

    • E. 

      Embolus

  • 19. 
    RBC production is regulated primarily by the hormone
    • A. 

      Thymosin

    • B. 

      Angiotensin

    • C. 

      Erythropoietin (EPO)

    • D. 

      ACTH

    • E. 

      LH

  • 20. 
    The structure that separates the cochlear duct from the tympanic duct is the
    • A. 

      Tectorial membrane

    • B. 

      Basilar membrane

    • C. 

      Vestibular duct

    • D. 

      Organ of Corti

    • E. 

      Malleus

  • 21. 
    In human photoreceptors to what does dark current refer?
    • A. 

      The movement of sodium ions INTO photoreceptors in complete darkness

    • B. 

      The movement of sodium ions OUT OF photoreceptors in complete darkness

    • C. 

      The movement of cGMP INTO photoreceptors in complete darkness

    • D. 

      The movement of cGMP OUT OF photoreceptors in complete darkness

  • 22. 
    With a patient being thin, nervous, with protruding eye balls, you are thinking...
    • A. 

      They suffer from Graves disease

    • B. 

      They suffer from myxedema

    • C. 

      They suffer from cretinism

    • D. 

      They suffer from acromegaly

    • E. 

      They suffer from hydroencephaly

  • 23. 
    The pituitary hormone that promotes egg development in ovaries and sperm development in testes is
    • A. 

      TSH

    • B. 

      ACTH

    • C. 

      FSH

    • D. 

      LH

    • E. 

      GH

  • 24. 
    Excess secretion of growth hormone AFTER puberty will cause
    • A. 

      Dwarfism

    • B. 

      Cancer

    • C. 

      Gigantism

    • D. 

      Acromegaly

    • E. 

      Diabetes

  • 25. 
    Steroids are known to be released into the bloodstream from the...
    • A. 

      Hypothalamus

    • B. 

      Anterior pituitary

    • C. 

      Posterior pituitary

    • D. 

      Pancreas

    • E. 

      Adrenal cortex

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