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A&P 2 - E2 - P2

A&P 2 - Exam 2 - Part 2 - Lymphatic System

QuestionAnswer
Two roles of the lymphatic system are _____________. maintaining fluid balance and role in immunity
The lymphatic system plays a role in maintaining ____________ balance. fluid
The lymphatic system returns _____________ fluid to blood. interstitial
In the lymphatic system, excess fluid is NOT returned to ___________. capillaries
The lymphatic system returns __________ to blood that incidentally leak from ____________. proteins, capillaries
The lymphatic system is essential in maintaining _____________ pressure in the blood. osmotic
If fluid is not returned to blood ___________ and death will result. edema
The lymphatic system returns _______ and other substances to the blood. fats
What are the five structures of the lymphatic system? lymph, lymph vessels, lymph nodes, isolated nodules of lymphatic tissue, and lymphatic organs
____________ fluid fills the spaces between cells. interstitial
Interstitial fluid is formed from ______________ leaking from capillaries. blood plasma water
Interstitial fluid can also be formed by small amounts of __________ and other molecules that leak from capillaries. protein
___________ is a type of fluid found in lymphatic vessels. lymph
___________ is formed by interstitial fluid mixing with __________ after entering the lymphatic capillaries. lymph, protein
What are the three substances that compose lymph? water, protein, fat and other substances
Both __________ and ___________ fluid resemble blood plasma in composition. lymph, interstitial
__________ are a type of lymphatic capillary that act as lymphatic drains in the intestines. lacteals
Lymphatic capillaries begin as _________ ended capillaries. blind
Endothelial cells of lymphatic capillaries are attached to tissue by connective tissue ___________. filaments
Endothelial cells of lymphatic capillaries are attached to tissue by ____________ filaments. connective tissue
In lymphatic capillaries pores between _____________ cells open as the volume of interstitial fluid ___________. endothelial, increases
___________ of lymphatic capillaries exist in tissues. networks
Larger lymphatic vessels are formed by the merger of lymphatic capillaries and small ___________. lymphatics
The ____________ drains lymph from the right upper quadrant of the body into the right subclavian vein. right lymphatic duct
The right lymphatic duct drains lymph from the _____________ of the body into the right subclavian vein. right upper quadrant
The right lymphatic duct drains lymph from the right upper quadrant of the body into the _____________. right subclavian vein
The structure of lymphatic vessels resembles veins except, lymphatics have ______________ walls. thinner
The structure of lymphatic vessels resembles veins except, lymphatics contain more _________. valves
The structure of lymphatic vessels resembles veins except, lymphatics contain __________ nodes. lymph
In lymphatic vessels, numerous ___________ valves are present. semilunar
One of the functions of lymphatic vessels is to return ________ to the blood. fluid
One of the functions of lymphatic vessels is to return proteins and large ___________ to the blood particulates
One of the functions of lymphatic vessels is to return fats and other ___________ from the small intestine, absorbed by _________, to the blood. nutrients, lacteals
Lymphatic pumps are ___________ valves in lymphatics. one-way
Five things that cause the movement of lymphatic pumps are ____________. breathing, skeletal muscle contractions, arterial pulsations, postural changes, massage of soft tissue
Each lymph node is surrounded by a ___________. fibrous capsule
The fibrous capsule of a lymph node extends inward, dividing nodes into several _________ nodules. cortical
Each cortical nodule of a lymph node is filled with __________. B lymphocytes
Around each cortical nodule are __________ filled with ___________. sinuses, lymph
In the center of a lymph node is the ____________. medulla
The medulla of a lymph node is composed of _____________. medullary cord and medullary sinuses
Medullary sinuses are filled with _______________ cells. phagocytic reticuloendothelial
Lymph enters the cortical sinuses of a lymph node through SEVERAL ____________. afferent lymph vessels
Lymph flows into the medullary sinuses of a lymph node and then out ONE ___________. efferent lymph vessel
Lymph nodes located near the ears are ____________ lymph nodes. preauricular
Lymph nodes located near the mouth are _________ and _________ lymph nodes. submental, submaxillary
Lymph nodes located near the neck are ____________ lymph nodes. superficial cervical
Lymph nodes located near the elbow are _________ or ________ lymph nodes. superficial cubital, supratrochlear
Lymph nodes located near the armpit are ____________ lymph nodes. axillary
Lymph nodes located near the groin are ____________ lymph nodes. inguinal
Two functions of the lymph nodes are _________________. defense, hematopoiesis
Two ways the lymph nodes function in defense are _____________. filtration, phagocytosis
The lymph node is the site in hematopoiesis, where maturation of some lymphocytes and monocytes that migrated from ___________ occurs. red marrow
The lymph node is the site in hematopoiesis, where maturation of some ________ and ________ that migrated from red marrow occurs. lymphocytes, monocytes
The two sets of lymphatics draining the breast are the ___________. skin over the breast and the breast substance
____% of lymph from the breast enters lymph nodes of the __________ region. 85%, axillary
The three tonsils are ____________. palatine, pharyngeal and lingual
What tonsils are known commonly as the "tonsils" and are located on the left and right side of the back of the mouth? palatine tonsils
What are the pharyngeal tonsils also known as? adenoids
What tonsils are located near the back of the throat where the nasal cavity blends into the throat? pharyngeal tonsils
What tonsils are located on the back of the tongue? lingual tonsils
Each lobe of the thymus is divided into __________. lobules
Each lobule of the thymus has it's own _________ and ___________. cortex, medulla
Concerning the function of the thymus, immature ____________ formed in ___________ move to the thymus. lymphocytes, red marrow
In the thymus, lymphocytes mature and are distributed to the _______, _________, and __________ before birth. spleen, lymph nodes, lymphoid tissue
After birth the thymus secretes ___________. thymosin
Thymosin, secreted by the thymus, enables lymphoctyes to develop into ___________. T cells
In the spleen, blood first enters the __________ which is full of ____________. white pulp, lymphocytes
In the spleen, after blood enters the white pulp it then enters the ___________. red pulp
In the spleen, after blood enters the red pulp it then enters __________ and then into ________. venous sinuses, veins
The spleen functions in defense by causing bacteria to be eaten by ____________ cells lining venous sinuses. reticuloendothelial
The spleen functions in hematopoiesis by the maturation of _________ and _________. lymphocytes, monocytes
The spleen functions in hematopoiesis by forming _________ before birth. red blood cells
The spleen functions in red blood cell and platelet destruction by phagocytosing red blood cells with ____________ cells. sinusoid reticuloendothelial
Over time, the spleen stays the same size or ___________ with age. enlarges
The spleen acts as a blood reservoir with a normal volume of __________. 350 mL
The blood reservoir volume of the spleen decreases by about __________ by sympathetic stimulation. 200 mL
Most organs containing developing lymphocytes quit growing at _________. puberty
Lymphatic organs including the thymus, lymph nodes, and tonsils __________ over time. atrophy
Which lymphatic organ remains intact and does NOT atrophy over time? spleen
In late adulthood, the deficiency of the immune system causes a greater risk of __________, __________ and __________ conditions. cancer, infections, autoimmune
Fluid _________ is collected by the lymphatic system. runoff
Lymph nodes can be thought of as "____________" that remove contaminants. treatment facilities
What disorder associated with the lymphatic vessels occurs when an obstruction of the lymphatics results in the accumulation of lymph? lymphedema
What disorder associated with the lymphatic vessels occurs when there is an inflammation of the lymphatic tissue due to infection? lymphangitis
What disorder associated with the lymph nodes and other lymphatic organs occurs when there is a tumor in lymphoid tissue? lymphoma
What type of lymphoma is cancer in the lymph nodes? Hodgkin lymphoma
What type of lymphoma is cancer in other lymphoid tissues? non-Hodgkin lymphoma
Which type of lymphoma is more curable? Hodgkin lymphoma
The infection of __________ may extend to the middle ear. adenoids (pharyngeal tonsils)
___________ is an inflammation of the tonsils. tonsillitis
Created by: K1N1V on 2011-10-13



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