Anatomy II Quiz 1 Part 2

75 Questions  I  By Caitlinnorthcutt
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Anatomy Quizzes & Trivia
Anatomy. Quiz. Two.

  
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  • 1. 
    Plasma thromboplastin is a factor in the ________ pathway
    • A. 

      Fibrinolytic

    • B. 

      Extrinsic

    • C. 

      Common

    • D. 

      Intrinsic

    • E. 

      Retraction


  • 2. 
    A moving blood clot is called a(n)  
    • A. 

      Plaque

    • B. 

      Embolus.

    • C. 

      Procoagulant.

    • D. 

      Platelet plug.

    • E. 

      Thrombus


  • 3. 
    Plasma is closest in composition to 
    • A. 

      Interstitial fluid.

    • B. 

      CSF.

    • C. 

      Isotonic saline solution.

    • D. 

      Sterile water.

    • E. 

      Urine.


  • 4. 
    Which of the following is present in very low levels in plasma
    • A. 

      Albumin

    • B. 

      Electrolytes

    • C. 

      Platelets

    • D. 

      Fibrinogen

    • E. 

      Amino acids


  • 5. 
    Plasma composes about ________ percent of whole blood and water composes ________ percent of the plasma volume.  
    • A. 

      50, 50

    • B. 

      92, 7

    • C. 

      55, 92

    • D. 

      45, 55

    • E. 

      92, 55


  • 6. 
    Which plasma protein transports fatty acids and some hormones?  
    • A. 

      Steroid-binding protein

    • B. 

      Gamma globulin

    • C. 

      Hormone-binding protein

    • D. 

      Albumin

    • E. 

      Translipin


  • 7. 
    Which of the following proteins is (are) found in plasma
    • A. 

      ) luteinizing hormone

    • B. 

      Insulin

    • C. 

      Prolactin

    • D. 

      All of the above

    • E. 

      A and C only


  • 8. 
    The most abundant white blood cells are
    • A. 

      Monocytes

    • B. 

      ABCs.

    • C. 

      NBCs

    • D. 

      Neutrophils

    • E. 

      Plasma cells


  • 9. 
    Which of the following blood count values would be a sign of anemia
    • A. 

      10,000 WBC

    • B. 

      400,000 platelets

    • C. 

      5.5 million RBC

    • D. 

      3.5 million RBC

    • E. 

      A and D taken together


  • 10. 
    Which of these descriptions best matches the term T lymphocytes
    • A. 

      Adhere to collagen beneath endothelium

    • B. 

      Often elevated in allergic individuals

    • C. 

      Helper cells are one type

    • D. 

      Produce antibodies in response to antigens

    • E. 

      Kill bacteria using hydrogen peroxide


  • 11. 
    After donating 0.5 liter of blood, one would expect
    • A. 

      An increased erythrocyte count.

    • B. 

      Increased levels of clotting factors

    • C. 

      An increased neutrophil count.

    • D. 

      An increased platelet count.

    • E. 

      An increased reticulocyte count.


  • 12. 
    A hematocrit provides information on
    • A. 

      Plasma composition.

    • B. 

      Clotting factors.

    • C. 

      Blood type.

    • D. 

      Sedimentation rate.

    • E. 

      Formed elements abundance.


  • 13. 
    The most numerous WBCs in a differential count of a healthy individual are
    • A. 

      Basophils

    • B. 

      Monocyte

    • C. 

      Lymphocytes.

    • D. 

      Neutrophils.

    • E. 

      Leukocytes


  • 14. 
    ) Each heme ring in hemoglobin encloses an atom of
    • A. 

      Iron

    • B. 

      Sodium

    • C. 

      Calcium

    • D. 

      Copper

    • E. 

      Magnesium


  • 15. 
    Which of these descriptions best matches the term eosinophils?
    • A. 

      Kill bacteria using hydrogen peroxide

    • B. 

      Adhere to collagen beneath endothelium

    • C. 

      Produce antibodies in response to antigens

    • D. 

      Often elevated in allergic individuals

    • E. 

      Helper cells are one type


  • 16. 
    Which of these proteins functions to store or transport iron?
    • A. 

      Hemoglobin

    • B. 

      Transferrin

    • C. 

      Hemosiderin

    • D. 

      ferritin

    • E. 

      B, C, and D


  • 17. 
    The pus associated with infected wounds contains
    • A. 

      Cellular debris

    • B. 

      Dead neutrophils.

    • C. 

      Tissue fluids

    • D. 

      All of the above

    • E. 

      B and C only


  • 18. 
    A substance that activates plasminogen might be useful to
    • A. 

      Recruit neutrophils to an infection

    • B. 

      Cause clots to form faster

    • C. 

      Cause clot dissolution to proceed faster

    • D. 

      Mimic heparin

    • E. 

      Initiate clot formation


  • 19. 
    Surgical removal of the stomach could cause
    • A. 

      Leukocytosis.

    • B. 

      Pernicious anemia

    • C. 

      Jaundice.

    • D. 

      Hemophilia.

    • E. 

      Thrombocytopenia.


  • 20. 
    An obstruction in blood flow to the kidneys would ultimately result in
    • A. 

      Renal anemia.

    • B. 

      Increased sensitivity to vitamin K

    • C. 

      Increased erythropoiesis

    • D. 

      Decreased erythropoiesis.

    • E. 

      Pernicious anemia.


  • 21. 
    Which of the following is not true of monocytes?
    • A. 

      Enter tissues and wander

    • B. 

      Become macrophages

    • C. 

      About same size as basophils

    • D. 

      Can phagocytize bacteria

    • E. 

      Are long lived


  • 22. 
    Which of the following would you expect to see in increased numbers in a peripheral blood sample after donating a unit of blood?
    • A. 

      Platelets

    • B. 

      Neutrophils

    • C. 

      Reticulocytes

    • D. 

      Erythrocytes

    • E. 

      Lymphocytes


  • 23. 
    People who suffer from hemophilia A fail to produce a functional Factor VIII; as a result
    • A. 

      They lack a functional common pathway

    • B. 

      They lack a functional extrinsic pathway.

    • C. 

      They lack a functional intrinsic pathway

    • D. 

      Their coagulation times are much longer than normal

    • E. 

      Both A and D


  • 24. 
    A digestive disorder that impairs a person's ability to absorb vitamin K will result in
    • A. 

      Low levels of Factor X

    • B. 

      Low levels of prothrombin

    • C. 

      Low levels of thromboplastin

    • D. 

      Prolonged bleeding

    • E. 

      All of the above


  • 25. 
    Which of the following is true of eosinophils
    • A. 

      Allergic patients have many

    • B. 

      Granules stain with acid dyes

    • C. 

      Have bilobed nucleus

    • D. 

      Constitute about 2 to 4 percent of WBCs

    • E. 

      All of the above


  • 26. 
    Identify the structure labeled "19" on the heart photo
    • A. 

      Pulmonary semilunar valve

    • B. 

      Tricuspid valve

    • C. 

      Aortic semilunar valve

    • D. 

      Ligamentum arteriosum

    • E. 

      Bicuspid valve


  • 27. 
    Identify the structure labeled "8
    • A. 

      Papillary muscles

    • B. 

      Moderator band

    • C. 

      Chordae tendineae

    • D. 

      Pectinate muscles

    • E. 

      Trabeculae carneae


  • 28. 
    Identify the structure labeled "6
    • A. 

      Pulmonary semilunar valve

    • B. 

      Aortic semilunar valve

    • C. 

      Ligamentum arteriosum

    • D. 

      Cusp of tricuspid valve

    • E. 

      Bicuspid valve


  • 29. 
    Which chamber receives oxygenated blood from the pulmonary circuit
    • A. 

      10

    • B. 

      16

    • C. 

      13

    • D. 

      5

    • E. 

      Both 5 and 16


  • 30. 
    Identify the structure labeled "21
    • A. 

      Ligamentum arteriosum

    • B. 

      Bicuspid valve

    • C. 

      Aortic semilunar valve

    • D. 

      Pulmonary semilunar valve

    • E. 

      Tricuspid valve


  • 31. 
    Blood returning to the heart from the systemic circuit first enters the
    • A. 

      Left atrium

    • B. 

      Conus arteriosus

    • C. 

      Left ventricle

    • D. 

      Right ventricle

    • E. 

      Right atrium


  • 32. 
    The coronary sulcus is a groove that
    • A. 

      Marks the boundary line between the right and left ventricles

    • B. 

      Marks the boundary line between the right and left atria

    • C. 

      Separates the coronary arteries from the coronary veins

    • D. 

      Separates the atrioventricular valves from the atria

    • E. 

      Marks the border between the atria and ventricles


  • 33. 
    The cusps (leaflets) of atrioventricular valves attach directly to
    • A. 

      Coronary sulci

    • B. 

      Papillary muscles

    • C. 

      Chordae tendineae

    • D. 

      Interatrial septa

    • E. 

      Trabeculae carneae


  • 34. 
    The visceral pericardium is the same as the
    • A. 

      Endocardium

    • B. 

      Epicardium

    • C. 

      Myocardium

    • D. 

      Parietal pericardium

    • E. 

      Mediastinum


  • 35. 
    The right ventricle pumps blood to the
    • A. 

      Right and left lungs

    • B. 

      Aorta.

    • C. 

      Left ventricle

    • D. 

      Right atrium

    • E. 

      Left atrium


  • 36. 
    The right atrium receives blood from the
    • A. 

      Coronary sinus

    • B. 

      Inferior vena cava

    • C. 

      Superior vena cava

    • D. 

      A, B, and C

    • E. 

      ) B and C only


  • 37. 
    Blood flowing into the heart from the venae cavae flows next through the ________ valve.  
    • A. 

      Aortic semilunar

    • B. 

      Pulmonary semilunar

    • C. 

      Tricuspid

    • D. 

      Bicuspid

    • E. 

      Mitral


  • 38. 
    As blood leaves the right ventricle it passes through the ________ and then into the pulmonary trunk
    • A. 

      Aorta

    • B. 

      Conus arteriosus

    • C. 

      ) superior vena cava

    • D. 

      Inferior vena cava

    • E. 

      Pulmonary veins


  • 39. 
    The pulmonary semilunar valve prevents backward flow into the  
    • A. 

      Left atrium

    • B. 

      Pulmonary trunk.

    • C. 

      Right ventricle

    • D. 

      Aorta.

    • E. 

      Pulmonary veins


  • 40. 
    The bicuspid or mitral valve is located  
    • A. 

      In the opening of the pulmonary trunk

    • B. 

      Where the venae cavae join the right atrium

    • C. 

      Between the right atrium and right ventricle

    • D. 

      In the opening of the aorta

    • E. 

      Between the left atrium and left ventricle


  • 41. 
    The ________ valve prevents backward flow into the left atrium
    • A. 

      Semicaval

    • B. 

      Bicuspid

    • C. 

      Semilunar

    • D. 

      Pulmonic

    • E. 

      Tricuspid


  • 42. 
    The function of the atrium is to  
    • A. 

      Collect blood

    • B. 

      Pump blood into the systemic circuit

    • C. 

      Pump blood to the lungs

    • D. 

      Pump blood to the ventricle

    • E. 

      Both A and D


  • 43. 
    Compared to the right ventricle, the left ventricle has all the following characteristics, except that it  
    • A. 

      Has a thicker wall

    • B. 

      ) is round in cross section

    • C. 

      Pumps a greater volume

    • D. 

      Produces about six to eight times more pressure when it contracts

    • E. 

      ) works harder


  • 44. 
    The pulmonary arteries carry blood to the  
    • A. 

      Lungs

    • B. 

      Brain

    • C. 

      Intestines.

    • D. 

      Liver.

    • E. 

      Heart


  • 45. 
    The pulmonary veins carry blood to the  
    • A. 

      Intestines.

    • B. 

      Liver.

    • C. 

      Lungs.

    • D. 

      Brain

    • E. 

      Heart


  • 46. 
    Blood is supplied to the myocardium by
    • A. 

      Contact with blood in the pumping chambers

    • B. 

      ) arteries that branch from the pulmonary arteries

    • C. 

      The coronary arteries

    • D. 

      The coronary sinus

    • E. 

      Both A and C


  • 47. 
    The marginal branch and posterior interventricular branch are branches of the  
    • A. 

      Left coronary artery

    • B. 

      Aorta

    • C. 

      Right coronary artery

    • D. 

      Coronary sinus

    • E. 

      Circumflex artery


  • 48. 
    The heart is innervated by ________ nerves
    • A. 

      Somatomotor

    • B. 

      Parasympathetic

    • C. 

      Sympathetic

    • D. 

      Both parasympathetic and sympathetic

    • E. 

      Neither parasympathetic nor sympathetic


  • 49. 
    The long plateau phase of the cardiac muscle action potential is due to
    • A. 

      Calcium channels remaining open

    • B. 

      Increased membrane permeability to potassium ion

    • C. 

      Movement of fewer sodium ions across the cell membrane

    • D. 

      Increased membrane permeability to sodium ions

    • E. 

      Decrease in the amount of calcium diffusing across the membrane


  • 50. 
    The normal pacemaker of the heart is located in the  
    • A. 

      Wall of the left ventricle

    • B. 

      ) Purkinje fibers

    • C. 

      Both the left and right ventricles

    • D. 

      Sinoatrial node

    • E. 

      Atrioventricular node


  • 51. 
    The P wave of the electrocardiogram is a signal from
    • A. 

      Depolarization of the AV node

    • B. 

      Depolarization of the atria

    • C. 

      Depolarization of the SA node

    • D. 

      Repolarization of the atria

    • E. 

      Depolarization of the ventricles


  • 52. 
    The T wave on an ECG tracing represents  
    • A. 

      Ventricular contraction

    • B. 

      Atrial repolarization

    • C. 

      Atrial depolarization

    • D. 

      Ventricular repolarization

    • E. 

      Ventricular depolarization


  • 53. 
    During the isovolumetric phase of ventricular systole, the  
    • A. 

      Atrioventricular valves and semilunar valves are closed

    • B. 

      Atria are contracting and the ventricles are relaxing

    • C. 

      Blood is ejected into the great vessels

    • D. 

      All of the above

    • E. 

      B and C only


  • 54. 
    The volume of blood ejected from each ventricle during a contraction is called the  
    • A. 

      Cardiac reserve

    • B. 

      End-diastolic volume

    • C. 

      Cardiac output

    • D. 

      End-systolic volume

    • E. 

      Stroke volume


  • 55. 
    "An increase in end-diastolic volume increases the stroke volume" is a way of stating
    • A. 

      Hawking's law of the heart

    • B. 

      Sparrow's law of the heart

    • C. 

      Finch's law of the heart

    • D. 

      Robin's law of the heart

    • E. 

      Starling's law of the heart


  • 56. 
    The phase in the cardiac cycle when the mitral valve is closed and the aortic valve is open is the
    • A. 

      Atrial systole

    • B. 

      Early diastolic filling phase

    • C. 

      Systolic ejection phase

    • D. 

      Dicrotic phase

    • E. 

      ) late diastolic filling phase


  • 57. 
    Artery is to ________ as vein is to ________.  
    • A. 

      Toward; away

    • B. 

      Efferent; afferent

    • C. 

      Afferent; efferent

    • D. 

      Afferent; away

    • E. 

      None of the above


  • 58. 
    The heart pumps approximately ________ liters of blood each day
    • A. 

      8,000

    • B. 

      15,000

    • C. 

      20,000

    • D. 

      50,000

    • E. 

      100,000


  • 59. 
    The wall of the left ventricle is thicker than the right because
    • A. 

      The left ventricle does more work than the right ventricle

    • B. 

      The left ventricle pumps a greater volume of blood than the right ventricle.

    • C. 

      The left ventricle produces a higher pressure than the right

    • D. 

      Both A and B

    • E. 

      Both A and C


  • 60. 
    The term used to describe fluid collecting in the pericardial cavity that restricts the movement of the heart is known as  
    • A. 

      Cardiomyopathy.

    • B. 

      Mitral valve prolapse

    • C. 

      Cardiac tamponade

    • D. 

      Pleural effusion

    • E. 

      Pericarditis


  • 61. 
    Intercalated discs serve to transfer ________ from cell to cell
    • A. 

      Action potentials

    • B. 

      The force of contraction

    • C. 

      Ionic currents

    • D. 

      All of the above

    • E. 

      A and B only


  • 62. 
    The atrioventricular valves permit blood flow  
    • A. 

      In many directions

    • B. 

      In both directions

    • C. 

      In one direction only

    • D. 

      In opposite directions on the right and left

    • E. 

      Both A and D


  • 63. 
    Coronary veins empty into the 
    • A. 

      Right ventricle

    • B. 

      Left atrium

    • C. 

      Right atrium

    • D. 

      Conus arteriosus

    • E. 

      Left ventricle


  • 64. 
    When the semilunar valves close, the AV valves then 
    • A. 

      Close.

    • B. 

      Make the third heart sound

    • C. 

      Open

    • D. 

      ) both B and C

    • E. 

      Both A and C


  • 65. 
    The ________ ventricle has a greater workload than the ________.  
    • A. 

      Right; systemic circulation

    • B. 

      Left; right ventricle

    • C. 

      Right; left ventricle

    • D. 

      Both A and C

    • E. 

      None of the above


  • 66. 
    The connective tissue fibers of the myocardium 
    • A. 

      Help distribute the forces of contraction

    • B. 

      Add strength and prevent overexpansion of the heart

    • C. 

      Provide elasticity to help return the heart to its normal size

    • D. 

      Provide physical support for cardiac muscle.

    • E. 

      ) all of the above


  • 67. 
    A heart murmur might be caused by
    • A. 

      Pulmonic valve insufficiency

    • B. 

      Aortic valve stenosis

    • C. 

      Mitral valve insufficiency

    • D. 

      B or C

    • E. 

      A or B or C


  • 68. 
    The first heart sound ("lub")
    • A. 

      Is associated with opening of the mitral valve

    • B. 

      Is associated with opening of the aortic valve

    • C. 

      Is associated with atrial systole

    • D. 

      Is associated with closing of the aortic valve

    • E. 

      Is associated with closing of the mitral valve


  • 69. 
    Pacemaker cells isolated from the SA node generate action potentials at  ________ beats per minute
    • A. 

      40—60

    • B. 

      20—40

    • C. 

      100—140

    • D. 

      ) 140—180

    • E. 

      80—100


  • 70. 
    ________ is to slow heart rate as ________ is to fast heart rate
    • A. 

      Cardiac tamponade; bradycardia

    • B. 

      Tachycardia; bradycardia

    • C. 

      ) Bradycardia; cardiomyopathy

    • D. 

      Bradycardia; tachycardia

    • E. 

      None of the above


  • 71. 
    The structure that permits blood flow from the right atrium to the left atrium in the fetal circulation is the  
    • A. 

      Fossa ovalis

    • B. 

      Foramen ovale

    • C. 

      Coronary sinus

    • D. 

      Interatrial septum

    • E. 

      Ligamentum arteriosus


  • 72. 
    Tetanic muscle contractions don't occur in a normal cardiac muscle because  
    • A. 

      Cardiac muscle tissue contracts on its own

    • B. 

      ) the refractory period ends before the muscle reaches peak tension

    • C. 

      The refractory period lasts until the muscle relaxes.

    • D. 

      Neural stimulation is lacking

    • E. 

      Potassium channels outnumber sodium channels


  • 73. 
    Which of these comparisons between skeletal and heart muscle is false
    • A. 

      Both have T-tubules

    • B. 

      Both are striated

    • C. 

      Both rely entirely on oxidative metabolism for energy

    • D. 

      Both release calcium ion from the sarcoplasmic reticulum

    • E. 

      Both trigger contraction by membrane depolarization.


  • 74. 
    When the left ventricle contracts, the diameter of the ventricular chamber  
    • A. 

      Increases.

    • B. 

      Decreases

    • C. 

      Remains the same


  • 75. 
    Drugs known as calcium channel blockers such as nifedipine can be used to  
    • A. 

      Produce a negative inotropic effect

    • B. 

      Decrease the force of cardiac contraction

    • C. 

      Decrease blood pressure

    • D. 

      Dilate the coronary arteries.

    • E. 

      All of the above


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