Exam #1- Special Senses, Blood, & Heart

50 Questions | Total Attempts: 31

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Blood Quizzes & Trivia

Questions and Answers
  • 1. 
    Which is a type of color photoreceptor?
    • A. 

      Green cone

    • B. 

      Yellow cone

    • C. 

      Red cone

    • D. 

      All of the above

    • E. 

      A and c only

  • 2. 
    Which part of the eye contains aqueous humor?
    • A. 

      Anterior chamber

    • B. 

      Posterior chamber

    • C. 

      Anterior segment

    • D. 

      Posterior segment

    • E. 

      None of the above

  • 3. 
    The intrinsic muscles of the ciliary body help to
    • A. 

      Regulate the amount of light entering the eye

    • B. 

      Focus light on the optic disk

    • C. 

      Regulate shape of the lens

    • D. 

      Move the eyeball

    • E. 

      Regulate production of vitreous humor

  • 4. 
    Intensity or amplitude of sound waves determines
    • A. 

      Loudness

    • B. 

      Quality

    • C. 

      Overtones

    • D. 

      Pitch

    • E. 

      None of the above

  • 5. 
    What is the function of the semicircular canals?
    • A. 

      Static equilibrium

    • B. 

      Rotational movement of the head

    • C. 

      Linear acceleration

    • D. 

      All of the above

    • E. 

      A and c only

  • 6. 
    Which auditory ossicle covers the oval window?
    • A. 

      Malleus

    • B. 

      Stapes

    • C. 

      Basilar membrane

    • D. 

      Incus

  • 7. 
    What is the receptor site for hearing?
    • A. 

      Cristae ampullaris

    • B. 

      Oval window

    • C. 

      Cochlea

    • D. 

      Semicircular canals

  • 8. 
    A stationary blood clot is a/an
    • A. 

      Thrombus

    • B. 

      Tumor

    • C. 

      Embolus

    • D. 

      Phagocyte

  • 9. 
    A hemoglobin molecule is composed of
    • A. 

      2 protein chains and 2 heme groups

    • B. 

      3 heme groups

    • C. 

      5 protein chains

    • D. 

      1 protein chain and 2 heme groups

    • E. 

      4 protein chains and 4 heme groups

  • 10. 
    All of the following are true EXCEPT
    • A. 

      Erythrocytes contain hemoglobin

    • B. 

      Erythrocytes are biconcave disks

    • C. 

      Erythrocytes have a large nucleus

    • D. 

      Erythrocytes are specialized for transporting oxygen

  • 11. 
    Hemocytoblasts are the stem cells that produce
    • A. 

      All formed elements

    • B. 

      Lymphocytes only

    • C. 

      Platelets only

    • D. 

      Monocytes only

  • 12. 
    The agranulocytes include
    • A. 

      Eosinophils

    • B. 

      Basophils

    • C. 

      Neutrophils

    • D. 

      All of the above

    • E. 

      None of the above

  • 13. 
    All of the following are plasma proteins EXCEPT
    • A. 

      Fibrinogen

    • B. 

      Collagen

    • C. 

      Albumin

    • D. 

      Globulin

  • 14. 
    Which hormone regulates RBC production?
    • A. 

      Growth hormone

    • B. 

      Angiotensin II

    • C. 

      Erythropoietin

    • D. 

      Atrial natriuretic peptide

    • E. 

      Hemoglobin

  • 15. 
    The contraction phase of the cardiac cycle is called 
    • A. 

      Systole

    • B. 

      Bradycardia

    • C. 

      Ejection

    • D. 

      Diastole

    • E. 

      Tachycardia

  • 16. 
    End diastolic volume (EDV) is the 
    • A. 

      Amount of blood pumped by the ventricles each minute

    • B. 

      Amount of blood remaining in the ventricles when the semilunar valve closes

    • C. 

      Amount of blood ejected from the ventricles during a contraction

    • D. 

      Amount of blood in the ventricles when they start to contract

    • E. 

      Amount of force produced during a contraction

  • 17. 
    Frank-Starling's Law/Principle of cardiac function refers to
    • A. 

      Increased stretch of the ventricles produces a greater force of contraction

    • B. 

      More blood in generates more blood out

    • C. 

      Preload

    • D. 

      All of the above

    • E. 

      A and c only

  • 18. 
    The first heart sound (S1) results from
    • A. 

      Opening of semilunar valves

    • B. 

      Closing of atrioventricular valves

    • C. 

      Opening of atrioventricular valves

    • D. 

      Closing of semilunar valves

    • E. 

      None of the above

  • 19. 
    The second heart sound (S2) results from
    • A. 

      Opening of semilunar valves

    • B. 

      Closing of atrioventricular valves

    • C. 

      Opening of atrioventricular valves

    • D. 

      Closing of semilunar valves

    • E. 

      None of the above

  • 20. 
    Heart rate times stroke volume equals
    • A. 

      Systolic blood pressure

    • B. 

      Cardiac output

    • C. 

      End diastolic volume

    • D. 

      Contractility

  • 21. 
    On the EKG, the T wave represents
    • A. 

      Ventricular contraction

    • B. 

      Atrial depolarization

    • C. 

      Atrial contraction

    • D. 

      Ventricular repolarization

    • E. 

      Ventricular depolarization

  • 22. 
    The function of the atrium is to
    • A. 

      Collect blood

    • B. 

      Pump blood to the lungs

    • C. 

      Pump blood to the heart muscle

    • D. 

      Decrease heart rate

    • E. 

      Store blood

  • 23. 
    The amount of tension that the heart must produce to open the semilunar valves to eject blood defines
    • A. 

      Contractility

    • B. 

      Preload

    • C. 

      S2 (2nd heart sound)

    • D. 

      Frank Starling principle

    • E. 

      Afterload

  • 24. 
    The pacemaker of the heart is the
    • A. 

      Atrioventricular valve

    • B. 

      Purkinje fibers

    • C. 

      Fossa ovalis

    • D. 

      Sinoatrial node

    • E. 

      Bundle of his

  • 25. 
    Blood flows from the superior vena cava into the right atrium through which of the following valves?
    • A. 

      Bicuspid

    • B. 

      Pulmonary semilunar

    • C. 

      Aortic semilunar

    • D. 

      Tricuspid

    • E. 

      None of the above

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