BIO 201L Chapter 22 (Physiology, Anatomy, cells, B., c., Histamine) | Questions and Answer solutions | Download To Score An A
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BIO 201L
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BIO 201L
BIO 201L Chapter 22 (Physiology, Anatomy, cells, B., c., Histamine) 1. The lymphatic system is involved in A. fat absorption from the digestive tract. B. transporting lymph fro m the intestines to the liver. C. maintenance of pH in the tissues. D. production of erythrocytes. E. protein metabolism. ...
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lymphatic system is involved in a fat absorption from the digestive tract
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BIO 201L Chapter 22 (Physiology, Anatomy, cells, B.,
c., Histamine)
Lymph system & immunity
Ⓒ
1. The lymphatic system is involved in
A. fat absorption from the digestive tract.
B. transporting lymph from the intestines to the liver.
C. maintenance of pH in the tissues.
D. production of erythrocytes.
E. protein metabolism.
A. fat absorption from the digestive tract.
Ⓒ
2. The lymphatic system plays a role in maintaining fluid
balance within the body by
A. adding lymph to GI tract secretions.
B. returning interstitial fluid to the plasma.
C. transporting lymph from tissues to the liver.
D. carrying excess fluid to the kidneys to be excreted.
E. actively absorbing fluid from the blood.
B. returning interstitial fluid to the plasma.
Ⓒ
3. Lacteals are
A. a type of lymphocyte.
B. a nonspecific defense.
C. lymphatic vessels in the lining of the small intestine.
D. the sinuses inside a lymph node.
E. germinal centers.
C. lymphatic vessels in the lining of the small intestine.
Ⓒ
4. Which of the following is NOT a function of the
lymphatic system?
A. Defending from infection caused by microorganisms
and other foreign substances.
B. Aiding in erythropoiesis of red blood cells.
C. Maintaining fluid balance by returning excess
interstitial fluid to the blood.
D. Absorbing and transporting lipids from the digestive
tract.
B. Aiding in erythropoiesis of red blood cells.
,Ⓒ
5. What is the purpose of lacteals?
A. Drain blood from the spleen.
B. Absorb fluid from capillary beds.
C. Absorb lipids from the digestive tract.
D. Absorb solutes from interstitial spaces.
C. Absorb lipids from the digestive tract.
Ⓒ
6. Lymph containing a high lipid content is called
A. chyle.
B. chyme.
C. lacteal.
D. interstitial fluid.
A. chyle.
Ⓒ
7. The lymphatic system differs from the cardiovascular
system in that
A. the lymphatic system only carries fluid away from
tissues.
B. the lymphatic vessels have their own "pump" to assist
flow.
C. lymph capillaries do not contain any fluid.
D. lymph capillaries allow free movement of fluid in and
out of the capillaries.
E. lymph circulates fluids and cardiovascular does not.
A. the lymphatic system only carries fluid away from
tissues.
Ⓒ
8. Lymph capillaries are found in the
A. epidermis.
B. cornea.
C. bone marrow.
D. central nervous system.
E. dermis.
E. dermis.
Ⓒ
9. Structurally, lymph vessels are most similar to
A. veins.
B. arteries.
C. arterioles.
D. capillaries.
E. venules.
A. veins.
Ⓒ
10. How do lymphatic capillaries differ form blood
capillaries?
, A. Lymphatic capillaries do not have a basement
membrane.
B. Simple squamous epithelial cells of lymphatics overlap
with loose attachments.
C. Lymphatic capillaries are more permeable than blood
capillaries.
D. Lymphatic capillary epithelium act as one-way valves
preventing movement of fluid back into interstitial
spaces.
E. All of the choices are ways lymphatic capillaries differ
from blood capillaries.
E. All of the choices are ways lymphatic capillaries differ
from blood capillaries.
Ⓒ
11. What structural feature of lymphatic vessels is
responsible to forward movement of lymph?
A. over-lapping endothelial cells
B. valves
C. no basement membrane
D. thin walls
B. valves
Ⓒ
12. Lymph movement is assisted by
A. contraction of skeletal muscle.
B. contraction of smooth muscle in lymph vessel.
C. pressure changes in the thorax during respiration.
D. compression of lymphatic vessels.
E. All of these choices are correct.
E. All of these choices are correct.
Ⓒ
13. A woman has her right breast and right axillary lymph
nodes removed. Which of the following might occur?
A. Cisterna chyli flow increases.
B. The thoracic duct would be severed.
C. Right lymphatic duct drainage decreases causing
edema in the right arm.
D. Lymph drainage would be affected in her left arm.
E. Lymph drainage would be affected in both legs.
C. Right lymphatic duct drainage decreases causing edema
in the right arm.
Ⓒ
14. The right lymphatic duct drains lymph from the
A. abdomen.
B. upper part of the body.
C. right arm, right chest, and right side of head.
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