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Jersey College A&P Final Exam – Questions With Complete Solutions
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Jersey College A&P Final Exam – Questions With Complete Solutions
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Jersey College A&P Final Exam – Questions WithComplete Solutions
What is the lymphatic system? ✔️Ans - system of tissues and vessels
scattered throughout the body and services almost all regions
What are the parts of the lymphatic system? ✔️Ans - tonsils, thymus,
spleen, peyer patch, small intestine, appendix, lymph nodes and vessels
Functions of the lymphatic system ✔️Ans - fluid balance, protection, and
absorption of fats
Lymphatic circulation is ✔️Ans - one-way system that begins in the tissues
and ends when the lymph joins the blood
Lymphatic capillaries ✔️Ans - walls (endothelium) flattened epithelial
cells, more permeable, cells overlap slightly, forming one-way valves, lacteals
absorb fat, arise blindly (closed at one end)
Lymphatic vessels ✔️Ans - include superficial and deep sets, right
lymphatic duct and thoracic duct
Right lymphatic duct ✔️Ans - short vessel receives only lymph that comes
from the body's superior right quadrant and empties into right subclavian
vein near heart
thoracic duct ✔️Ans - receives lymph from all parts of the body except
those superior to the diaphragm on the right side; drains into thee left
subclavian vein
cisterna chyli ✔️Ans - first part of the thoracic duct enlarged to form
cistern or a temp storage pouch
movement of lymph toward heart is caused by: ✔️Ans - valves in
lymphatic vessels
contraction of lymphatic vessels
skeletal muscle contraction
breathing
,roughly how many lymph nodes are in the body? ✔️Ans - about 600
lymphoid tissue ✔️Ans - distributed throughout the body and makes up
specialized organs
lymph nodes ✔️Ans - small masses of lymphatic tissue that filter the lymph
lymph ✔️Ans - fluid that circulates in the lymphatic system, clear fluid;
hilum ✔️Ans - indented area that is the exit point for efferent lymphatic
vessels carrying lymph out of the node
cervical nodes ✔️Ans - located in the neck in deep and superficial groups,
drain parts of head and neck
axillary nodes ✔️Ans - located in armpits
tracheobronchial nodes ✔️Ans - near the trachea and around the larger
bronchial tubes
mesenteric nodes ✔️Ans - found between the two layers of peritoneum
that form the mesentry, 100-150 nodes
Inguinal nodes ✔️Ans - located in groin region, receive lymph drainage
from lower extremities and from external reproductive organs
buboes ✔️Ans - enlarged Inguinal nodes
the spleen ✔️Ans - cleanses blood through filtration and phagocytosis,
destroys old blood cells, produces red blood cells before birth, serves as a
reservoir for blood
splenectomy ✔️Ans - surgical removal of the the spleen
lacteals ✔️Ans - specialized lymphatic capillaries in the lining of the small
intestine that absorb fats
, the thymus ✔️Ans - plays a role in early immune system development, t
cells mature, shrinks after puberty, produce thymosin
appendix ✔️Ans - fingerlike tube of lymphatic tissue that figures into the
development of immunity
Mucosal-associated lymphoid tissue (MALT) ✔️Ans - important barrier
against infection; found in portions of digestive, respiratory, and urogenital
mucosal linings; helps to destroy contaminants by means of phagocytosis and
production of antibodies
gut-associated lymphoid tissue (GALT) ✔️Ans - largest aggregations of
MALT found in the digestive tract
tonsils ✔️Ans - protect against inhaled or ingested contaminants; trap
pathogens;surgery to treat if become infected or swollen and reoccurs which
makes swallowing and breathing difficult
palatine tonsils ✔️Ans - oval bodies located at each side of the soft palate;
generally what one refers to as "tonsils"
pharyngeal tonsil ✔️Ans - commonly called adenoid; located behind the
nose on the posterior wall of pharynx
lingual tonsils ✔️Ans - little mounds of lymphoid tissue at the posterior of
the tongue
lymphadenopathy ✔️Ans - disease of the lymph nodes
lymphedema ✔️Ans - swelling that obstructs lymph flow
four phases of respiration ✔️Ans - pulmonary ventilation, external gas
exchange, gas transport in the blood, and internal gas exchange
pulmonary ventilation ✔️Ans - exchange of air between the atmosphere
and the air sacs (alveoli) of the lungs
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