NursGuru

    Exam Review

    1. Vasoconstriction causes:.
      A)
      Decreased pressure and decreased flow.
      B)
      Decreased pressure and increased flow.
      C)
      Increased pressure and increased flow.
      D)
      Increased pressure and decreased flow.
    2. Which brain structure coordinates blood pressure control?.
      A)
      Baroreceptors.
      B)
      Brainstem.
      C)
      Medulla.
      D)
      Thalamus.
    3. Where does air pick up moisture and heat from the mucosa?.
      A)
      Conchae or turbinates.
      B)
      Sphenoid.
      C)
      Nasopharynx.
      D)
      Oropharynx.
    4. Which condition would you expect to accompany atherosclerosis, a disorder in which arteries lose elasticity and have fatty buildup inside the vessels?.
      A)
      Increased blood viscosity.
      B)
      Irregular heartbeat.
      C)
      High blood pressure.
      D)
      Low blood pressure.

    Exam Review

    1. Which of the following is true about the sinuses? Select all that apply. (Select All that Apply.).
      (SATA)
      A)
      Air-filled cavities.
      B)
      Located in the skull and around the nose.
      C)
      Help lighten the head.
      D)
      Gas exchange occurs.
    2. Antibodies passed on to the fetus through the placenta represent?.
      A)
      Naturally acquired active immunity.
      B)
      Artificially acquired passive immunity.
      C)
      Innate immunity.
      D)
      Natural passive immunity.
    3. What are the exchange vessels of the circulatory system, where nutrients, wastes, and hormones are transferred between blood and tissues?.
      A)
      Venules.
      B)
      Capillaries.
      C)
      Arterioles.
      D)
      Veins.
    4. The repetitive process of exhaling is called?.
      A)
      Expiration.
      B)
      Respiration.
      C)
      Inhalation.
      D)
      Inspiration.

    Exam Review

    1. The HIV virus invades:.
      A)
      Helper T cells (CD4 cells) eventually destroying them.
      B)
      D cells.
      C)
      B cells.
      D)
      Helper C cells.
    2. Vasodilation causes:.
      A)
      Decreased pressure and decreased flow.
      B)
      Decreased pressure and increased flow.
      C)
      Increased pressure and increased flow.
      D)
      Increased pressure and decreased flow.
    3. An effective maneuver for dislodging a foreign object in someone that is choking is called?.
      A)
      Abdominal thrusts (Heimlich maneuver).
      B)
      Chest thrusts.
      C)
      Chest pumps.
      D)
      Bowel thrusts.
    4. Where does air pick up moisture and heat from the mucosa?.
      A)
      Conchae or turbinates.
      B)
      Sphenoid.
      C)
      Nasopharynx.
      D)
      Oropharynx.

    Exam Review

    1. Which gas is the primary regulator of respiration?.
      A)
      Nitrogen.
      B)
      Carbon dioxide.
      C)
      Oxygen.
      D)
      Bicarbonate.
    2. The vessels that carry blood away from the heart are called?.
      A)
      Sinusoids.
      B)
      Veins.
      C)
      Capillaries.
      D)
      Arteries.
    3. Capillaries release oxygen and take up carbon dioxide from surrounding tissues through the process of?.
      A)
      Osmosis.
      B)
      Diffusion.
      C)
      Filtration.
      D)
      Colloid osmotic pressure.
      E)
      .
    4. What is the purpose of valves in veins?.
      A)
      Prevent backflow of blood.
      B)
      Aid in redirection of blood flow.
      C)
      Keep oxygenated blood from mixing with unoxygenated blood.
      D)
      Aid in the pumping of blood.

    Exam Review

    1. Which blood vessels connect the two sides of the vascular system?.
      A)
      Capillaries.
      B)
      Arteries.
      C)
      Venules.
      D)
      Veins.
    2. The reason blood constantly circulates is because of?.
      A)
      Low blood viscosity.
      B)
      Vasoconstriction and dilation.
      C)
      Pressure gradients.
      D)
      The beating of the heart.
    3. What is one of the purposes of the fluid in the pleural cavity?.
      A)
      Lubricate the pleural surfaces to allow them to glide painlessly during lung expansion and contraction.
      B)
      Warm and moisten lung tissue.
      C)
      Prevent bacteria from entering lung tissue.
      D)
      Assist in the diffusion of oxygen across the respiratory membrane.
    4. Which is true of veins?.
      A)
      Always carry deoxygenated blood.
      B)
      Carry blood away from the heart.
      C)
      Have thick tunica media.
      D)
      Veins have valves.

    Exam Review

    1. When pressure in the lungs drops lower than atmospheric pressure, what occurs?.
      A)
      A pneumothorax forms, collapsing the lungs.
      B)
      The bronchioles constrict, causing respiratory distress.
      C)
      Air flows into the lungs.
      D)
      Air flows out of the lungs.
    2. What is one of the purposes of the fluid in the pleural cavity?.
      A)
      Lubricate the pleural surfaces to allow them to glide painlessly during lung expansion and contraction.
      B)
      Warm and moisten lung tissue.
      C)
      Prevent bacteria from entering lung tissue.
      D)
      Assist in the diffusion of oxygen across the respiratory membrane.
    3. Which is true of veins?.
      A)
      Always carry deoxygenated blood.
      B)
      Carry blood away from the heart.
      C)
      Have thick tunica media.
      D)
      Veins have valves.
    4. When pressure in the lungs drops lower than atmospheric pressure, what occurs?.
      A)
      A pneumothorax forms, collapsing the lungs.
      B)
      The bronchioles constrict, causing respiratory distress.
      C)
      Air flows into the lungs.
      D)
      Air flows out of the lungs.