Blood Vessel

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  • 1. 
    Which of the following is the blood vessel that distributes blood to organs?
    • A. 

      Arteries

    • B. 

      Capillaries

    • C. 

      Venules

    • D. 

      Arterioles

    • E. 

      Veins


  • 2. 
    This is a blood vessel that conveys blood from the tissues back to the heart.
    • A. 

      Artery

    • B. 

      Arteriole

    • C. 

      Aorta

    • D. 

      Vein

    • E. 

      Capillary


  • 3. 
    Which artery wall is responsible for vasoconstriction?
    • A. 

      Tunica interna

    • B. 

      Tunica media

    • C. 

      Tunica externa

    • D. 

      Tunica albuginea

    • E. 

      Tunica fascia


  • 4. 
    This layer of the artery is composed mainly of elastic and collagen fibers.
    • A. 

      Tunica interna

    • B. 

      Tunica media

    • C. 

      Tunica externa

    • D. 

      Tunica albuginea

    • E. 

      Tunica fascia


  • 5. 
    When an artery or arteriole is damaged, its smooth muscle contracts producing
    • A. 

      A tear in the artery

    • B. 

      A branch off the artery called an arteriole

    • C. 

      A vascular spasm

    • D. 

      Tetanus

    • E. 

      Constriction of the outer four layers


  • 6. 
    Elastic arteries function as a
    • A. 

      Vasodilator

    • B. 

      Conduit to the tissues of the trunk only

    • C. 

      Barrier to microcirculation

    • D. 

      Pressure reservoir

    • E. 

      Vasoconstrictors only


  • 7. 
    These vessels make up the largest blood reservoir.
    • A. 

      Arteries and arterioles

    • B. 

      Arterioles and capillaries

    • C. 

      Venules and capillaries

    • D. 

      Veins and venules

    • E. 

      Aorta and veins


  • 8. 
    This vessel plays a key role in regulating blood flow into capillaries.
    • A. 

      Arteries

    • B. 

      Arterioles

    • C. 

      Venules

    • D. 

      Veins

    • E. 

      Aorta


  • 9. 
    Which of the below is NOT found in arteries but is found in veins?
    • A. 

      Tunica externa

    • B. 

      Tunica media

    • C. 

      Tunica interna

    • D. 

      Valves


  • 10. 
    Capillaries are also known as
    • A. 

      Exchange vessels

    • B. 

      Vasoconstrictors

    • C. 

      Vasodilators

    • D. 

      Pressure reservoirs

    • E. 

      Distributing vessels


  • 11. 
    Which of the below is the most important capillary exchange method?
    • A. 

      Diffusion

    • B. 

      Transcytosis

    • C. 

      Bulk flow

    • D. 

      Active transport

    • E. 

      Primary transport


  • 12. 
    These control the flow of blood through a capillary bed.
    • A. 

      Thoroughfare channel

    • B. 

      Precapillary sphincter

    • C. 

      Postcapillary sphincter

    • D. 

      Venules

    • E. 

      Veins


  • 13. 
    Continuous capillaries can be found in the following tissues.
    • A. 

      Skeletal muscle

    • B. 

      Smooth muscle

    • C. 

      Connective tissue

    • D. 

      Lungs

    • E. 

      All of the above


  • 14. 
    The alternate route of blood flow to a body part through an anastomosis is called
    • A. 

      Anastome

    • B. 

      Blood reservoir

    • C. 

      Detour blood

    • D. 

      Collateral circulation

    • E. 

      Microcirculation


  • 15. 
    The largest factor that promotes reabsorption of fluids, into blood, from the interstitial fluids is
    • A. 

      Tissue hydrostatic pressure

    • B. 

      Tissue osmotic pressure

    • C. 

      Blood osmotic pressure

    • D. 

      Blood hydrostatic pressure

    • E. 

      Colloid pressure


  • 16. 
    The pressure driven movement of fluids and solutes from blood into interstitial fluid is called
    • A. 

      Reabsorption

    • B. 

      Filtration

    • C. 

      Bulk flow

    • D. 

      Hydrostatic pressure

    • E. 

      Colloid pressure


  • 17. 
    This is the volume of blood that flows through any tissue in a given time period.
    • A. 

      Microcirculation

    • B. 

      Circulation

    • C. 

      Blood flow

    • D. 

      Blood pressure

    • E. 

      Resistance


  • 18. 
    Blood flow depends on which of following criteria.
    • A. 

      Blood pressure

    • B. 

      Systemic vascular resistance

    • C. 

      Blood type

    • D. 

      Blood pressure and systemic vascular pressure

    • E. 

      Blood pressure and heart rate


  • 19. 
    Which of the below would NOT increase blood pressure.
    • A. 

      Increased blood volume

    • B. 

      Increased sympathetic stimulation

    • C. 

      Increased heart rate

    • D. 

      Increased stroke volume

    • E. 

      Decreased cardiac output


  • 20. 
    Which of the below factors do NOT increase systemic vascular resistance?
    • A. 

      Decreased vessel lumen diameter

    • B. 

      Increased blood viscosity

    • C. 

      Decreased vessel length

    • D. 

      Increased vasodilation

    • E. 

      Increased blood cell count


  • 21. 
    This depends mostly on the ratio of RBC to plasma volume.
    • A. 

      Total blood volume

    • B. 

      Blood viscosity

    • C. 

      Systemic resistance

    • D. 

      Blood vessel length

    • E. 

      Size of vessel lumen


  • 22. 
    Circulation time
    • A. 

      Varies with diet

    • B. 

      Is set by the hypothalamus

    • C. 

      In a resting person is normally 1 minute

    • D. 

      Depends on hormones from the liver

    • E. 

      Will stop a heart if it is lower than 20 seconds


  • 23. 
    The cardiovascular center is located
    • A. 

      In the thorax

    • B. 

      In the cerebral cortex

    • C. 

      In the cerebellum

    • D. 

      In the medulla oblongata

    • E. 

      In the hypothalamus


  • 24. 
    Which of the below factors is most important in forcing blood flow through veins?
    • A. 

      Heart rate

    • B. 

      Stroke volume

    • C. 

      Muscular activity

    • D. 

      Blood velocity

    • E. 

      Valve opening


  • 25. 
    Which of the below would be the response of the body as a result of decreased frequency of action potentials arising from the baroreceptors?
    • A. 

      Increased blood pressure

    • B. 

      Increased parasympathetic stimulation

    • C. 

      Decreased heart rate

    • D. 

      Decreased stroke volume

    • E. 

      Decreased cardiac output


  • 26. 
    Which of the following hormones would NOT cause an increase in blood pressure?
    • A. 

      Atrial Natriuretic Peptide

    • B. 

      Antidiuretic Hormone

    • C. 

      Aldosterone

    • D. 

      Angiotensin

    • E. 

      Increased Norepinephrine


  • 27. 
    Chemoreceptors in blood vessels measuring high levels of blood carbon dioxide would NOT cause which of the following
    • A. 

      Increased heart rate

    • B. 

      Increased vasoconstriction of blood vessels

    • C. 

      Increased blood pressure

    • D. 

      Decreased respiratory rate

    • E. 

      Decreased heart rate


  • 28. 
    The myogenic response make smooth muscle
    • A. 

      Contract more forcefully when stretched

    • B. 

      Contract more forcefully when relaxed

    • C. 

      Stay in an isotonic state

    • D. 

      Less elastic

    • E. 

      More elastic


  • 29. 
    What do these chemicals have in common: potassium, hydrogen ions, lactic acid, nitric oxide and adenosine?
    • A. 

      They are all potent vasoconstrictors

    • B. 

      They are all potent vasodilators

    • C. 

      They are used to begin smooth muscle contractions

    • D. 

      They regulate the cardiac center of the hypothalamus

    • E. 

      They negatively affect systole


  • 30. 
    Where can pulse not be felt?
    • A. 

      Arteries

    • B. 

      Veins

    • C. 

      Venules

    • D. 

      Capillaries

    • E. 

      Arterioles


  • 31. 
    This pressure provides information about the condition of the cardiovascular system such as atherosclerosis and patent ductus arteriosus.
    • A. 

      Diastolic blood pressure

    • B. 

      Systolic blood pressure

    • C. 

      Pulse pressure

    • D. 

      Venule pressure

    • E. 

      Capillary pressure


  • 32. 
    This type of shock is due to decreased blood volume.
    • A. 

      Hypovolemic

    • B. 

      Cardiogenic

    • C. 

      Vascular

    • D. 

      Obstructive

    • E. 

      Neurogenic


  • 33. 
    What do the following have in common: superficial temporal artery, brachial artery and dorsal artery of the foot?
    • A. 

      They are all areas where you can not hear Korotkoff sounds

    • B. 

      They are all only found on the left side of the body

    • C. 

      They are all pulse points

    • D. 

      None of them contain baroreceptors

    • E. 

      All of the are connected to each other by capillary beds


  • 34. 
    Which of the following is not a response to hypovolemic shock?
    • A. 

      Activation of the RAA system

    • B. 

      Secretion of ADH

    • C. 

      Activation of the sympathetic division of the ANS

    • D. 

      Release of vasoconstrictors

    • E. 

      Release of vasodilators


  • 35. 
    All the veins of the systemic circulation drain into the
    • A. 

      Superior vena cava

    • B. 

      Inferior vena cava

    • C. 

      Coronary sinus

    • D. 

      Superior and inferior vena cava

    • E. 

      Superior and inferior vena cava and coronary sinus


  • 36. 
    The pulmonary trunk divides into
    • A. 

      Right pulmonary artery

    • B. 

      Left pulmonary artery

    • C. 

      Pulmonary veins

    • D. 

      Right and left pulmonary arteries

    • E. 

      Right pulmonary vein and artery


  • 37. 
    In fetal circulation what is the opening between the right and left atria called?
    • A. 

      Ductus venosus

    • B. 

      Umbilicus

    • C. 

      Umbilical vein

    • D. 

      Foramen ovale

    • E. 

      Placenta


  • 38. 
    Which of the below vessels is a pulse point at the wrist?
    • A. 

      Radial artery

    • B. 

      Subclavian artery

    • C. 

      Axillary artery

    • D. 

      Cephalic artery

    • E. 

      Palmar artery


  • 39. 
    Which of the below vessels supplies blood to the intestines?
    • A. 

      Radial artery

    • B. 

      Subclavian artery

    • C. 

      Mesenteric artery

    • D. 

      Coronary artery

    • E. 

      Popliteal artery


  • 40. 
    Which of the below vessels supplies blood to the kidney?
    • A. 

      Hepatic artery

    • B. 

      Renal artery

    • C. 

      Mesenteric artery

    • D. 

      Coronary artery

    • E. 

      Popliteal artery


  • 41. 
    Which of the below vessels drains blood from the lower leg?
    • A. 

      Jugular vein

    • B. 

      Superior vena cava

    • C. 

      Tibial vein

    • D. 

      Coronary vein

    • E. 

      Iliac vein


  • 42. 
    Which of the below vessels drains blood from the head and neck?
    • A. 

      Carotid vein

    • B. 

      Inferior vena cava

    • C. 

      Axillary vein

    • D. 

      Femoral vein

    • E. 

      Jugular vein


  • 43. 
    Which of the below vessels drains blood from the lower body to the right atrium?
    • A. 

      Inferior vena cava

    • B. 

      Superior vena cava

    • C. 

      Tibial vein

    • D. 

      Coronary vein

    • E. 

      Iliac vein


  • 44. 
    After birth when the umbilical cord is cut what do the umbilical arteries fill with?
    • A. 

      Placental fluid

    • B. 

      Blood

    • C. 

      Connective tissue

    • D. 

      Smooth muscle

    • E. 

      Capillary beds


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