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

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Question #1
Increased cardiac output ________ the blood pressure.
A.   decreases
B.   increases
C.   will not affect
Question #2
The thymus contains ________ lobes and is located ________.
A.   4; in the mediastinum
B.   2; anterior to the laryngeal prominence (Adam's apple)
C.   2; in the mediastinum
D.   4; 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.   a, b, e
B.   f, g
C.   c, d
D.   b, c, d, g
E.   b, c, e, f
Question #4
Lymphatic nodules consist of
A.   afferent vessels, efferent vessels, a cortex, and medulla.
B.   lymphatic cells, extracellular matrix, and an incomplete connective tissue capsule.
C.   central arteries and monocytes.
D.   a hilum that is located intermediate to two lobules.
E.   crypts, trabeculae, and Reed-Sternberg cells.
Question #5
The force per unit area that blood places on the inside wall of a blood vessel
A.   is called the blood pressure.
B.   increases the further the vessel is from the heart.
C.   is greater during diastole.
D.   is greater in the inferior vena cava than in the common iliac vein.
E.   is called the pulse.
Question #6
Often a virus-infected cell will release ________ to prevent spread of the infection.
A.   complement
B.   histamine
C.   interferon
D.   serotonin
E.   perforin
Question #7
Which is not correct regarding the spleen?
A.   It is divided into sections by capsular extensions called trabeculae.
B.   Its white pulp contains T-lymphocytes, B-lymphocytes, and macrophages.
C.   Its blood is supplied by the splenic artery and drained by the splenic vein.
D.   It has an outer cortex and inner medulla.
Question #8
A lymphatic capillary that picks up dietary lipids in the small intestine is called a(n)
A.   trabeculum.
B.   efferent lymphatic vessel.
C.   cisterna chyli.
D.   lacteal.
E.   afferent lymphatic vessel.
Question #9
Inflammation is a(n)
A.   nonspecific process that occurs in vascularized tissue.
B.   antigen-specific process that occurs in avascular tissue.
C.   antigen-specific process that occurs in vascularized tissue.
D.   nonspecific process that occurs in avascular tissue.
Question #10
Circulation to the spleen demonstrates a(n)
A.   anastomosis, as one artery delivers blood and one vein drains the organ.
B.   simple pathway, as one artery delivers blood and one vein drains the organ.
C.   simple pathway, as its two capillary beds are separated by a portal vein.
D.   anastomosis, as its two capillary beds are separated by a portal vein.
Question #11
Dendritic cells of the skin are derived from
A.   T-lymphocytes.
B.   B-lymphocytes.
C.   neutrophils.
D.   macrophages.
E.   monocytes.
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.   The axillary lymph nodes receive lymph from the breast and may contain cancer cells.
C.   In removing the breast, the blood supply to the nodes is removed and they will inevitably cease to function.
D.   With the removal of the breast, there is no further need for lymph drainage and filtering in that part of the body.
E.   It is impossible to remove the breast without physically damaging the lymph nodes.
Question #13
Which of the following does not contain red marrow?
A.   Flat bones of the skull
B.   Long bones of digits
C.   Vertebrae
D.   Sternum
E.   Ribs
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 high amount of water in the blood, and it promotes diffusion out of the capillaries.
B.   the high amount of water in the blood, and it promotes filtration from arterioles.
C.   the proteins in the blood, and it promotes filtration.
D.   the proteins in the blood, and it promotes reabsorption.
E.   the pressure generated by the heart, and it favors osmosis into the arteriole end of the capillary bed.
Question #16
Chemotaxis is the process by which
A.   chemical messengers are secreted that stimulate the sensation of pain that accompanies inflammation.
B.   cells migrate along chemical gradients.
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 formed of the tunica media.
B.   cause venous blood flow to go in only one direction.
C.   are found only in the largest veins.
D.   make the use of a skeletal muscle pump unnecessary for venous blood flow.
E.   are the leading cause of high blood pressure.
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.   The direction of filtration can be either into or out of the blood, but reabsorption always involves fluids entering the blood.
C.   Filtration happens at the venule end of a capillary bed and reabsorption happens in feeder arterioles.
D.   Filtration is driven by concentration gradients, whereas reabsorption depends on hydrostatic pressure.
Question #19
Which type of cell attacks a variety of unwanted cells and causes those cells to undergo apoptosis?
A.   Eosinophils
B.   Macrophages
C.   Basophils
D.   Neutrophils
E.   Natural killer cells
Question #20
Which fluid does lymph most closely resemble?
A.   Whole blood
B.   Intracellular fluid
C.   Interstitial 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, d, f
D.   a, b, d, f
E.   a, b, d, e, f
Question #22
Concerning the exchange between blood and interstitial fluid at systemic capillaries,
A.   more fluid is filtered than reabsorbed.
B.   the fluid reabsorbed into the capillary exactly matches the amount filtered by the capillary.
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 serves as a blood reservoir.
C.   It contains a central artery.
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 lower than normal.
B.   be higher than normal.
Question #25
The force that drives fluid into lymphatic capillaries is
A.   diffusion of both water and solutes.
B.   hydrostatic pressure.
C.   exocytosis.
D.   endocytosis.
E.   osmosis.

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