Biology 2060 - Anatomy and Physiology II » Summer 2021 » Lymphatic Immunity Quiz

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Question #1
Increased cardiac output ________ the blood pressure.
A.   increases
B.   decreases
C.   will not affect
Question #2
The thymus contains ________ lobes and is located ________.
A.   2; in the mediastinum
B.   4; in the mediastinum
C.   4; anterior to the laryngeal prominence (Adam's apple)
D.   2; anterior to the laryngeal prominence (Adam's apple)
Question #3
Sinusoids are found in a: bone marrow b: spleen c: small intestine d: kidney e: liver f: muscle g: skin
A.   b, c, d, g
B.   c, d
C.   a, b, e
D.   f, g
E.   b, c, e, f
Question #4
Lymphatic nodules consist of
A.   crypts, trabeculae, and Reed-Sternberg cells.
B.   afferent vessels, efferent vessels, a cortex, and medulla.
C.   a hilum that is located intermediate to two lobules.
D.   central arteries and monocytes.
E.   lymphatic cells, extracellular matrix, and an incomplete connective tissue capsule.
Question #5
The force per unit area that blood places on the inside wall of a blood vessel
A.   is greater in the inferior vena cava than in the common iliac vein.
B.   is greater during diastole.
C.   is called the pulse.
D.   increases the further the vessel is from the heart.
E.   is called the blood pressure.
Question #6
Often a virus-infected cell will release ________ to prevent spread of the infection.
A.   perforin
B.   interferon
C.   histamine
D.   complement
E.   serotonin
Question #7
Which is not correct regarding the spleen?
A.   It has an outer cortex and inner medulla.
B.   Its blood is supplied by the splenic artery and drained by the splenic vein.
C.   Its white pulp contains T-lymphocytes, B-lymphocytes, and macrophages.
D.   It is divided into sections by capsular extensions called trabeculae.
Question #8
A lymphatic capillary that picks up dietary lipids in the small intestine is called a(n)
A.   efferent lymphatic vessel.
B.   cisterna chyli.
C.   afferent lymphatic vessel.
D.   trabeculum.
E.   lacteal.
Question #9
Inflammation is a(n)
A.   nonspecific process that occurs in avascular tissue.
B.   antigen-specific process that occurs in vascularized tissue.
C.   antigen-specific process that occurs in avascular tissue.
D.   nonspecific process that occurs in vascularized tissue.
Question #10
Circulation to the spleen demonstrates a(n)
A.   simple pathway, as its two capillary beds are separated by a portal vein.
B.   anastomosis, as one artery delivers blood and one vein drains the organ.
C.   simple pathway, as one artery delivers blood and one vein drains the organ.
D.   anastomosis, as its two capillary beds are separated by a portal vein.
Question #11
Dendritic cells of the skin are derived from
A.   monocytes.
B.   T-lymphocytes.
C.   macrophages.
D.   B-lymphocytes.
E.   neutrophils.
Question #12
When women with breast cancer undergo surgery to remove the tumor or the entire breast, the axillary lymph nodes are often removed as well. Why?
A.   The nerves that supply the axillary lymph nodes are often cut during the breast surgery.
B.   It is impossible to remove the breast without physically damaging the lymph nodes.
C.   The axillary lymph nodes receive lymph from the breast and may contain cancer cells.
D.   With the removal of the breast, there is no further need for lymph drainage and filtering in that part of the body.
E.   In removing the breast, the blood supply to the nodes is removed and they will inevitably cease to function.
Question #13
Which of the following does not contain red marrow?
A.   Sternum
B.   Long bones of digits
C.   Vertebrae
D.   Ribs
E.   Flat bones of the skull
Question #14
In addition to creating a physical barrier to pathogen entry, mucus contains antimicrobial substances such as IgA.
A.   TRUE
B.   FALSE
Question #15
Blood colloid osmotic pressure is largely due to
A.   the pressure generated by the heart, and it favors osmosis into the arteriole end of the capillary bed.
B.   the proteins in the blood, and it promotes filtration.
C.   the high amount of water in the blood, and it promotes filtration from arterioles.
D.   the proteins in the blood, and it promotes reabsorption.
E.   the high amount of water in the blood, and it promotes diffusion out of the capillaries.
Question #16
Chemotaxis is the process by which
A.   cells migrate along chemical gradients.
B.   chemical messengers are secreted that stimulate the sensation of pain that accompanies inflammation.
C.   CAMs on leukocytes adhere to CAMs on endothelial cells of capillaries within injured tissues.
D.   cells exit the blood by squeezing out between cells in the blood vessel wall.
Question #17
Valves in veins
A.   are found only in the largest veins.
B.   cause venous blood flow to go in only one direction.
C.   are formed of the tunica media.
D.   are the leading cause of high blood pressure.
E.   make the use of a skeletal muscle pump unnecessary for venous blood flow.
Question #18
Which statement accurately compares filtration and reabsorption?
A.   Filtration involves bulk flow of fluid out of the blood, whereas reabsorption is bulk flow back into the blood.
B.   Filtration happens at the venule end of a capillary bed and reabsorption happens in feeder arterioles.
C.   Filtration is driven by concentration gradients, whereas reabsorption depends on hydrostatic pressure.
D.   The direction of filtration can be either into or out of the blood, but reabsorption always involves fluids entering the blood.
Question #19
Which type of cell attacks a variety of unwanted cells and causes those cells to undergo apoptosis?
A.   Natural killer cells
B.   Eosinophils
C.   Basophils
D.   Neutrophils
E.   Macrophages
Question #20
Which fluid does lymph most closely resemble?
A.   Whole blood
B.   Interstitial fluid
C.   Intracellular fluid
D.   Blood plasma
Question #21
Which are found in the capillary wall? a: Endothelium b: Subendothelial layer c: Internal elastic lamina d: Intercellular clefts e: External elastic lamina f: Basement membrane
A.   b, d, e, f
B.   a, c, d, e, f
C.   a, b, d, e, f
D.   a, d, f
E.   a, b, d, f
Question #22
Concerning the exchange between blood and interstitial fluid at systemic capillaries,
A.   the fluid reabsorbed into the capillary exactly matches the amount filtered by the capillary.
B.   more fluid is filtered than reabsorbed.
C.   more fluid is absorbed and reabsorbed than is filtered.
Question #23
Which is not correct regarding the white pulp of the spleen?
A.   Its cells include T-lymphocytes, B-lymphocytes, and macrophages.
B.   It contains a central artery.
C.   It serves as a blood reservoir.
D.   Its cells are arranged in clusters that are circular in shape.
Question #24
If someone were to have abnormally low levels of protein in their blood, then net filtration pressure would
A.   be higher than normal.
B.   be lower than normal.
Question #25
The force that drives fluid into lymphatic capillaries is
A.   exocytosis.
B.   endocytosis.
C.   diffusion of both water and solutes.
D.   osmosis.
E.   hydrostatic pressure.

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