Lesson 6 Flashcards
Circulatory Pathways: Identification of Blood Vessels
Which of the following describes the flow of lymph?
in one direction away from the heart
in one direction towards the heart
into the capillaries
both towards and away from the heart
into the tissues
in one direction towards the heart
Which of the following describes the function of the lymph system?
controlling body temperature through sweat
production of all white cell types
production of both T and B lymphocytes only
returning fluid and proteins to the blood circulation
transporting nutrients and waste products to and from the tissue cells
returning fluid and proteins to the blood circulation
What vessel receives lymph from most of the body?
cisternae chili
afferent arterioles
thoracic duct
right lymphatic duct
left lymphatic duct
thoracic duct
What lymph vessel receives lymph drainage from the lower limbs?
subclavian trunk
cysterna chyli
jugular trunk
intestinal trunk
right lymphatic duct
cysterna chyli
Which of the following describes lymph capillaries?
they have very tight junctions and are slightly permeable
they are equally permeable to blood capillaries
they are identical in structure to blood capillaries
they are less permeable than blood capillaries
they are more permeable than blood capillaries
they are more permeable than blood capillaries
Which of the following is describes edema?
inflammation of the lymph nodes
localized accumulation of phagocytes
a localized response to bacterial invasions
the result of a ruptured spleen
excess accumulation of fluid within the tissues
excess accumulation of fluid within the tissues
Which of the following substances are normally found in lymph fluid?
water, red blood cells and plasma
water, ions, red and white blood cells
water, proteins, ions and lymphocytes
plasma proteins and hormones only
the same composition as blood
water, proteins, ions and lymphocytes
Which of the following describes lymph transport?
Lymph generally circulates under high pressure
Lymph travels faster in vessels than blood travels in veins
lymph travels only during episodes of illness
lymph movement is dependent on muscle contractions of adjacent muscles
lymph movement increases when cardiac output is high
lymph movement is dependent on muscle contractions of adjacent muscles
Which lymphoid tissues trap and remove bacteria from the throat?
tonsils
appendix
thymus gland
cervical lymph nodes
Peyer’s patches
tonsils
What lymph organ’s major function is to destroy worn out red blood cells?
lymph nodes
thymus gland
appendix
tonsils
spleen
spleen
Where is the thymus gland located?
left side of the abdominal cavity just below the diaphragm
right side of the abdominal cavity just below lungs
in the thoracic cavity lying just over the heart
in the inferior portion of the small intestine
at the junction of the small intestine and the large intestine
in the thoracic cavity lying just over the heart
What lymph organ programs T cells and functions at peak levels only during youth?
spleen
tonsils
appendix
thymus
Peyer’s patches
thymus
Which of the following are considered Mucosa-associated lymphatic tissue?
tonsils and Peyer’s patches
tonsils only
thymus gland
spleen
tonsils and spleen
tonsils and Peyer’s patches
What tonsils are located at the base of the tongue?
lingual
palatine
nasopharyngeal
pharyngeal
tympanic
lingual
What type of cell differentiates in the thymus?
B lymphocytes
T lymphocytes
Plasma cells
Both B and T lymphocytes
macrophages
T lymphocytes
What type of cell recognizes antigens and produces plasma cells?
macrophages
T lymphocytes
monocytes
Mast cells
B lymphocytes
B lymphocytes
Which of the following describe lymphocytes?
There are three main types of lymphocytes: T cells, M cells and B cells
Lymphatic macrophages secrete antibodies when exposed to foreign antigens
Lymphocytes originate in either lymph nodes or the thymus
Lymphocytes originate in the bone marrow but further mature before they are effective against disease.
B cells are capable of directly attacking foreign microbes
Lymphocytes originate in the bone marrow but further mature before they are effective against disease.
Which one of the following describes lymph nodes?
They remove foreign materials from the lymph fluid
They produce lymph fluid for circulation
They contain MALT
They are composed of white pulp
They have valves similar to those found in veins
They remove foreign materials from the lymph fluid
What are the connective tissue strands that divide the lymph node into compartments?
germinal centers
trabeculae of reticular fibers
medullary cords
subcapsular sinuses
red pulp
trabeculae of reticular fibers
Which of the following describes the activity in the germinal centers of the lymph node cortex?
macrophages lay in wait for foreign debris to flow by
plasma cells prepare for phagocytosis of microbes
B lymphocytes go through rapid division here
all formed elements of the blood are house there
place where T cells become immunocompetent
B lymphocytes go through rapid division here
Which structure in the lymph node contains macrophages and reticular cells?
follicles
trabeculae
medullary cords
medullary sinuses
subcapsular sinuses
medullary sinuses
What is the internal portion of the lymph gland where lymph cells are arranged in cordlike fashion?
medullary cords
trabeculae
splenic cords
thymic corpuscles
white pulp
medullary cords
What vessel drains the lymph nodes and is fewer in number than the vessels that deliver lymph to the lymph node?
efferent lymph vessel
subscapular sinus
lymphatic hillum
afferent lymph vessel
medullary sinus
efferent lymph vessel
Which of the following lists the areas in which large clusters of lymph nodes are present?
axillary, lumbar and thoracic
axilary, lumbar and cervical
axillary, inguinal and cervical
inguinal, lumbar and thoracic
cervical, jugular and lumbar
axillary, inguinal and cervical
What does the presence of buboes indicate?
if painful, they can indicate cancer
a lymph node that is infected by microorganisms
an infected tonsil
an overproduction of lymph fluid
an inflamed spleen
a lymph node that is infected by microorganisms
