Lymphatic System- Exam Questions and Correct Answers Latest Update 2025 (Graded A+)
Lymphatic pathways begin as ____ that merge to form lymphatic vessels. - Answers lymphatic capillaries
The wall of a lymphatic capillary consists of a single layer of ____. - Answers squamous epithelial
Once tissue (interstitial) fluid is inside a lymphatic capillary, the fluid is called ____. - Answers lymph
Lymphatic vessels have walls similar to those of ____ but thinner. - Answers veins
Lymphatic vessels contain ____ that help prevent the backflow of lymph. - Answers semilunar valves
Lymphatic vessels usually lead to lymph ____ that filter the fluid being transported. - Answers nodes
The lymphatic trunk that drains the abdominal viscera is called the ____ trunk. - Answers intestinal
The lymphatic trunk that drains the head and neck is called the ____ trunk. - Answers jugular
The ____ is the larger and longer of the two lymphatic collecting ducts. - Answers thoracic duct
Lymph nodes contain large numbers of white blood cells called ____ and macrophages that fight
invading microorganisms. - Answers lymphocytes
The intended region where blood vessels and nerves join a lymph node is called the ____. - Answers
hilum
____ that contain germinal centers the structural units of a lymph node. - Answers Lymph nodules
The spaces within a lymph node are called ____ through which lymph circulates. - Answers lymphsinuses
Lymph enters a node through an ____ lymphatic vessel. - Answers afferent
The partially encapsulated lymph nodes in the pharynx are called ____. - Answers tonsils
The aggregations of lymph nodules found within the mucosal lining of the small intestine are called
____. - Answers Peyer's patches
The lymph nodes in the cervical region are associated with the lymphatic vessels that drain the ____. -
Answers skin, face, nasal cavity, and pharynx
The lymph nodes associated with the lymphatic vessels that drain the lower limbs are located in the
____ region. - Answers inguinal
The thymus is located in the ____, anterior to the aortic arch. - Answers mediastinum
The thymus reaches its greatest size during infancy and early childhood and tens to decrease in size
following ____. - Answers puberty
As a person ages, the thymus tissue is often replaced by ____. - Answers adipose and connective tissues
Lymphatic pathways begin as ____ that merge to form lymphatic vessels. - Answers lymphatic capillaries
The wall of a lymphatic capillary consists of a single layer of ____. - Answers squamous epithelial
Once tissue (interstitial) fluid is inside a lymphatic capillary, the fluid is called ____. - Answers lymph
Lymphatic vessels have walls similar to those of ____ but thinner. - Answers veins
Lymphatic vessels contain ____ that help prevent the backflow of lymph. - Answers semilunar valves
Lymphatic vessels usually lead to lymph ____ that filter the fluid being transported. - Answers nodes
The lymphatic trunk that drains the abdominal viscera is called the ____ trunk. - Answers intestinal
The lymphatic trunk that drains the head and neck is called the ____ trunk. - Answers jugular
The ____ is the larger and longer of the two lymphatic collecting ducts. - Answers thoracic duct
Lymph nodes contain large numbers of white blood cells called ____ and macrophages that fight
invading microorganisms. - Answers lymphocytes
The intended region where blood vessels and nerves join a lymph node is called the ____. - Answers
hilum
____ that contain germinal centers the structural units of a lymph node. - Answers Lymph nodules
The spaces within a lymph node are called ____ through which lymph circulates. - Answers lymphsinuses
Lymph enters a node through an ____ lymphatic vessel. - Answers afferent
The partially encapsulated lymph nodes in the pharynx are called ____. - Answers tonsils
The aggregations of lymph nodules found within the mucosal lining of the small intestine are called
____. - Answers Peyer's patches
The lymph nodes in the cervical region are associated with the lymphatic vessels that drain the ____. -
Answers skin, face, nasal cavity, and pharynx
The lymph nodes associated with the lymphatic vessels that drain the lower limbs are located in the
____ region. - Answers inguinal
The thymus is located in the ____, anterior to the aortic arch. - Answers mediastinum
The thymus reaches its greatest size during infancy and early childhood and tens to decrease in size
following ____. - Answers puberty
As a person ages, the thymus tissue is often replaced by ____. - Answers adipose and connective tissues
