ITEC A&p (Lymphatic) Q&q
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- 1.
The functions of the spleen include to:
- A.
Collect and drain lymph
- B.
Transport excess waste away from the tissues
- C.
Destroy lymphocytes
- D.
Destroy thrombocytes
Correct Answer
D. Destroy thrombocytesExplanation
The spleen plays a crucial role in the destruction of thrombocytes. Thrombocytes, also known as platelets, are responsible for blood clotting. The spleen helps regulate the number of platelets in the blood by removing old or damaged platelets from circulation. It also stores a reserve of platelets that can be released into the bloodstream when needed. Therefore, the destruction of thrombocytes is one of the important functions of the spleen.Rate this question:
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- 2.
Which vein does the thoracic duct drain into?
- A.
The left subclavian vein
- B.
The right subclavian vein
- C.
The superior vena cave
- D.
The inferior vena cava
Correct Answer
A. The left subclavian veinExplanation
The thoracic duct drains into the left subclavian vein. The thoracic duct is the largest lymphatic vessel in the body and is responsible for draining lymph from the lower body and left side of the upper body. It begins in the abdomen and ascends through the thoracic cavity, eventually emptying into the left subclavian vein. This allows the lymph, which contains waste products and immune cells, to be returned to the bloodstream for circulation throughout the body.Rate this question:
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- 3.
Which of the following is made up of lymphoid tissue?
- A.
The stomach
- B.
The spleen
- C.
The bladder
- D.
The kidneys
Correct Answer
B. The spleenExplanation
The spleen is made up of lymphoid tissue. Lymphoid tissue is a type of connective tissue that contains lymphocytes, which are a type of white blood cell involved in the immune response. The spleen is an organ located in the upper left side of the abdomen and is part of the lymphatic system. It acts as a filter for the blood, removing old or damaged red blood cells and helping to fight off infections.Rate this question:
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- 4.
Which of the following is a major function of a lymph node?
- A.
To filter the blood
- B.
To add fluid to the lymph
- C.
To add protein to the lymph
- D.
To remove and destroy harmful micro-organisms from the lymph
Correct Answer
D. To remove and destroy harmful micro-organisms from the lymphExplanation
A lymph node is a small organ in the lymphatic system that plays a crucial role in the immune response. It acts as a filter for the lymph, a fluid that carries white blood cells, nutrients, and waste products throughout the body. One of the major functions of a lymph node is to remove and destroy harmful micro-organisms from the lymph. Lymph nodes contain immune cells, such as lymphocytes and macrophages, which help identify and eliminate pathogens, such as bacteria and viruses, preventing their spread throughout the body. Therefore, the correct answer is to remove and destroy harmful micro-organisms from the lymph.Rate this question:
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- 5.
Which of the following is NOT a function of the lymphatic system?
- A.
To produce new lymphocytes
- B.
To filter harmful material from the blood
- C.
To assist in the absorption of fat droplets
- D.
To produce antibodies
Correct Answer
C. To assist in the absorption of fat dropletsExplanation
The lymphatic system plays various roles in the body, including producing new lymphocytes, filtering harmful material from the blood, and producing antibodies. However, it does not assist in the absorption of fat droplets. This function is primarily carried out by the digestive system, specifically the small intestine, where fat is broken down and absorbed into the bloodstream. The lymphatic system is responsible for transporting fats and fat-soluble vitamins from the small intestine to the bloodstream, but it does not directly assist in their absorption.Rate this question:
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- 6.
Which of the following statements is false?
- A.
A function of the right lymphatic duct is to drain lymph from the right leg
- B.
A function of the right lymphatic duct is to drain lymph from the right side of the chest
- C.
A function of the right lymphatic duct is to drain lymph from the right arm
- D.
A function of the right lymphatic duct is to drain lymph from the right side of the head
Correct Answer
A. A function of the right lymphatic duct is to drain lymph from the right legExplanation
The correct answer is "a function of the right lymphatic duct is to drain lymph from the right leg." This statement is false because the right lymphatic duct does not drain lymph from the right leg. Instead, it drains lymph from the right side of the head, right arm, and the right side of the chest. The lymph from the right leg is drained by the thoracic duct.Rate this question:
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- 7.
Where are the cervical lymph nodes situated?
- A.
Under the chin
- B.
In front of the ear
- C.
On the neck
- D.
Behind the ear
Correct Answer
C. On the neckExplanation
The cervical lymph nodes are situated on the neck. These lymph nodes are part of the lymphatic system and are responsible for filtering and trapping harmful substances, such as bacteria and viruses, from the lymph fluid. They play a crucial role in the immune response by producing and storing immune cells to fight off infections and diseases. The lymph nodes on the neck can become swollen and tender when there is an infection or inflammation in the head, neck, or throat area.Rate this question:
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- 8.
Where would the lymph from the left arm and shoulder drain into?
- A.
The left subclavian vein
- B.
The thoracic duct
- C.
The right lymphatic duct
- D.
The left jugular vein
Correct Answer
B. The thoracic ductExplanation
The lymph from the left arm and shoulder would drain into the thoracic duct. The thoracic duct is the largest lymphatic vessel in the body and is responsible for draining lymph from the lower body, left arm and shoulder, and the left side of the head and neck. It then empties into the left subclavian vein, where the lymph re-enters the bloodstream. The right lymphatic duct drains lymph from the upper right side of the body and empties into the right subclavian vein. The left jugular vein is not directly involved in lymph drainage.Rate this question:
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- 9.
what are the functions of lymph nodes?
- A.
To produce erythrocytes and thrombocytes
- B.
To filter and destroy harmful micro-organisms/toxic material
- C.
To enable exchange of oxygen and carbon dioxide between blood and lymph
- D.
To speed up the transmission of nerve impulses.
Correct Answer
B. To filter and destroy harmful micro-organisms/toxic materialExplanation
Lymph nodes are small bean-shaped structures that play a crucial role in the immune system. They act as filters, trapping and destroying harmful microorganisms and toxic materials that may be present in the lymphatic fluid. This helps to prevent the spread of infections throughout the body. Lymph nodes also contain immune cells, such as lymphocytes, which help to initiate an immune response against pathogens. Overall, the primary function of lymph nodes is to filter and eliminate harmful substances, making the answer "to filter and destroy harmful micro-organisms/toxic material" the correct choice.Rate this question:
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- 10.
which of the following is a function of a lymph node?
- A.
To produce and add erythrocytes to the blood
- B.
To add fluid to the lymph
- C.
To add platelets to the lymph
- D.
To produce and add new lymphocytes to the lymph
Correct Answer
D. To produce and add new lymphocytes to the lymphExplanation
The correct answer is to produce and add new lymphocytes to the lymph. Lymph nodes are small bean-shaped structures that are part of the lymphatic system. They play a crucial role in the immune system by filtering lymph fluid and trapping foreign substances, such as bacteria and viruses. Lymphocytes, a type of white blood cell, are produced and stored in the lymph nodes. When an infection or foreign substance is detected, lymphocytes are released into the lymph fluid to help fight off the infection and initiate an immune response.Rate this question:
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- 11.
What is one of the functions of lymph
- A.
Transport oxygen to the tissue
- B.
Adds lymphocytes to the blood
- C.
Transport carbon dioxide from the tissued
- D.
Bathes tissue in plasma
Correct Answer
B. Adds lymphocytes to the bloodExplanation
Lymph is a fluid that circulates throughout the body, carrying lymphocytes, which are a type of white blood cell, among other things. Lymphocytes play a crucial role in the immune response, helping to identify and destroy foreign substances in the body. Therefore, one of the functions of lymph is to add lymphocytes to the blood, aiding in the body's immune defense.Rate this question:
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- 12.
How is lymph circulated
- A.
It is pumped by the heart
- B.
The spleen pumps lymph
- C.
Gravity draws it to the hands and feet, where it is returned to the blood stream
- D.
A combination of skeletal muscle contraction and valves in the veins
Correct Answer
C. Gravity draws it to the hands and feet, where it is returned to the blood streamExplanation
Lymph is circulated through a combination of skeletal muscle contraction and valves in the veins. This helps to propel the lymph fluid towards the hands and feet, where gravity then assists in returning it to the bloodstream.Rate this question:
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- 13.
What is the function of lymph nodes
- A.
The filter lymph only
- B.
To produce new lymphocytes only
- C.
A point of reentry to the blood stream for the lymph fluid
- D.
To filter lymph and produce new lymphocytes
Correct Answer
D. To filter lymph and produce new lymphocytesExplanation
Lymph nodes are small, bean-shaped structures that are part of the lymphatic system. Their main function is to filter lymph, which is a clear fluid that contains white blood cells, proteins, and waste products. Lymph nodes contain specialized cells called lymphocytes, which are responsible for producing antibodies and other immune responses. Therefore, the function of lymph nodes is to filter lymph and produce new lymphocytes, allowing the immune system to detect and eliminate harmful substances in the body.Rate this question:
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- 14.
what are the functions of lymph nodes?
- A.
To filter and destroy harmful micro-organisms/toxic material
- B.
To produce erythrocytes and thrombocytes
- C.
To enable exchange of oxygen and carbon dioxide between blood and lymph
- D.
To speed up the transmission of nerve impulses.
Correct Answer
A. To filter and destroy harmful micro-organisms/toxic materialExplanation
Lymph nodes are small, bean-shaped organs that play a vital role in the immune system. Their main function is to filter and destroy harmful microorganisms and toxic materials that are carried by the lymphatic fluid. Lymph nodes contain specialized cells called lymphocytes, which are responsible for identifying and attacking foreign substances such as bacteria, viruses, and cancer cells. When these harmful substances enter the lymphatic system, they are trapped and destroyed within the lymph nodes. This helps to prevent the spread of infection and maintain overall health and well-being.Rate this question:
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- 15.
which of the following is a function of a lymph node?
- A.
To produce and add erythrocytes to the blood
- B.
To add fluid to the lymph
- C.
To add platelets to the lymph
- D.
To produce and add new lymphocytes to the lymph
Correct Answer
D. To produce and add new lymphocytes to the lymphExplanation
A lymph node is a small oval-shaped organ that is part of the lymphatic system. Its main function is to filter and trap foreign substances, such as bacteria and viruses, from the lymph fluid. Lymphocytes, a type of white blood cell, are produced and stored in the lymph nodes. These lymphocytes play a crucial role in the immune response by recognizing and attacking pathogens. Therefore, the correct answer is that the function of a lymph node is to produce and add new lymphocytes to the lymph.Rate this question:
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- 16.
Where would you find the popliteal lymph nodes?
- A.
In the neck
- B.
In the armpit
- C.
Behind the knee
- D.
Along the jawline
Correct Answer
C. Behind the kneeExplanation
The popliteal lymph nodes are located behind the knee. These lymph nodes are part of the lymphatic system and play a crucial role in filtering lymph fluid and trapping harmful substances such as bacteria and viruses. They help in the production of immune cells and are important for the body's immune response.Rate this question:
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- 17.
. Which vein does the thoracic duct drain into?
- A.
The left subclavian vein
- B.
The right subclavian vein
- C.
The superior vena cava
- D.
The inferior vena cava
Correct Answer
A. The left subclavian veinExplanation
The thoracic duct is the largest lymphatic vessel in the body and it drains lymph from the lower body and left side of the upper body. It empties into the left subclavian vein, which is located near the collarbone on the left side of the body. This allows the lymph to be returned to the bloodstream and circulated throughout the body.Rate this question:
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- 18.
Where would you find the posterior auricular lymph nodes?
- A.
At back of the ear
- B.
At the front of the ear
- C.
At the base of the skull
- D.
On the chin
Correct Answer
A. At back of the earExplanation
The posterior auricular lymph nodes are located at the back of the ear. These lymph nodes are part of the lymphatic system and play a role in filtering and trapping harmful substances, such as bacteria or viruses, from the head and neck region. They can become swollen and tender when there is an infection or inflammation in the area.Rate this question:
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- 19.
Which of the following is a function of a lymphatic node?
- A.
To produce subcutaneous tissue
- B.
To remove and destroy harmful micro-organism
- C.
To produce endothelial and elastic tissue
- D.
To produce blood plasma
Correct Answer
B. To remove and destroy harmful micro-organismExplanation
A lymphatic node is an important part of the lymphatic system, which is responsible for filtering and removing harmful substances, such as bacteria and viruses, from the body. Lymphatic nodes contain specialized immune cells called lymphocytes that help to identify and destroy these microorganisms. Therefore, the function of a lymphatic node is to remove and destroy harmful microorganisms.Rate this question:
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- 20.
What are lymphatic vessels?
- A.
Vessels which transport lymph around the lymphatic system
- B.
Muscular tissue which prevents the backflow of lymph
- C.
Vessels which transport waste materials to the lymph nodes
- D.
Vessels which collect excess tissue fluid and waste products
Correct Answer
A. Vessels which transport lymph around the lymphatic systemExplanation
Lymphatic vessels are responsible for transporting lymph throughout the lymphatic system. Lymph is a clear fluid that contains white blood cells and other waste materials. These vessels collect excess tissue fluid and waste products from the body's tissues and transport them to the lymph nodes, where they are filtered and purified. By circulating lymph, the lymphatic vessels help maintain the body's fluid balance and immune function.Rate this question:
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- 21.
Which type of valves do lymphatic vessels have?
- A.
Pulmonary valves
- B.
Semi lunar valves
- C.
Tricuspid valves
- D.
Micuspid valves
Correct Answer
B. Semi lunar valvesExplanation
Lymphatic vessels do not have valves like the ones mentioned in the options. Lymphatic vessels have one-way valves called lymphatic valves. These valves prevent the backflow of lymph fluid and help in the unidirectional flow of lymph towards the heart. Therefore, the correct answer is not available.Rate this question:
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- 22.
The inner layer of the lymphatic vessels is made of:
- A.
Muscular tissue
- B.
Endothilial cells
- C.
Elastic tissue
- D.
Fibrous tissue
Correct Answer
B. Endothilial cellsExplanation
The inner layer of the lymphatic vessels is made of endothelial cells. These cells form a single layer lining the inside of the vessels, providing a smooth surface for the flow of lymph fluid. Endothelial cells are specialized cells that make up the inner lining of blood vessels and lymphatic vessels, playing a crucial role in maintaining the integrity and function of these vessels. They help regulate the movement of substances in and out of the vessels and play a role in immune responses.Rate this question:
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- 23.
An afferent vessel transports lymph:
- A.
To the lymphatic ducts
- B.
Back to the system
- C.
To the lymphatic nodes
- D.
To the lymphatic vessels
Correct Answer
C. To the lymphatic nodesExplanation
The correct answer is "To the lymphatic nodes." Afferent vessels are responsible for carrying lymph from the tissues towards the lymphatic nodes. These vessels help in filtering and removing any foreign particles, pathogens, or waste materials present in the lymph before it is returned to the circulatory system. The lymphatic nodes play a crucial role in the immune response by producing and releasing lymphocytes, which help in fighting against infections and diseases.Rate this question:
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- 24.
Which one of the following is not a function of the lymphatic nodes?
- A.
To collect lymph and convey it towards the heart
- B.
To form antibodies against a particular infection
- C.
To filter lymph
- D.
To produce new antibodies and lymphocytes
Correct Answer
A. To collect lymph and convey it towards the heartExplanation
The lymphatic nodes have various functions, including filtering lymph and producing new antibodies and lymphocytes. However, collecting lymph and conveying it towards the heart is not a function of the lymphatic nodes. Instead, this task is carried out by the lymphatic vessels.Rate this question:
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- 25.
The thoracic duct is positioned:
- A.
Leg
- B.
Arm
- C.
Groin
- D.
Chest
Correct Answer
B. ArmExplanation
The thoracic duct is positioned in the arm.Rate this question:
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- 26.
Lymphatic vessels pass through:
- A.
Lymph nodes
- B.
Lymph ducts
- C.
Lymph tissue
- D.
Lymph Capillaries
Correct Answer
A. Lymph nodesExplanation
Lymphatic vessels pass through lymph nodes because lymph nodes are small, bean-shaped structures that are part of the lymphatic system. They are responsible for filtering lymph fluid and removing waste, toxins, and foreign substances, such as bacteria and viruses. Lymphatic vessels carry lymph fluid, which contains white blood cells and other immune cells, through the lymph nodes where they can be filtered and processed before returning to the bloodstream. Therefore, lymph nodes play a crucial role in the immune response and the overall functioning of the lymphatic system.Rate this question:
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- 27.
The supratrochlear nodes are located:
- A.
Behind the ears
- B.
Groin
- C.
Posterior of knees
- D.
Elbows
Correct Answer
D. ElbowsExplanation
The supratrochlear nodes are located in the elbows. These lymph nodes are small, bean-shaped structures that are part of the lymphatic system. They are responsible for filtering lymph fluid and trapping bacteria, viruses, and other harmful substances. The supratrochlear nodes specifically drain lymph from the upper limb, including the hand and forearm. They are located in the area just above the elbow joint, on the inner side of the arm.Rate this question:
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- 28.
The inguinal nodes are located:
- A.
Groin area
- B.
Posterior knees
- C.
Elbows
- D.
Armpits
Correct Answer
A. Groin areaExplanation
The inguinal nodes are located in the groin area. These lymph nodes are part of the lymphatic system and are responsible for filtering lymph fluid and trapping bacteria, viruses, and other harmful substances. They play a crucial role in immune response and are often examined during physical examinations to check for any signs of infection or disease in the lower abdomen, genitals, or legs.Rate this question:
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- 29.
. How many layers do lymphatic vessels have?
- A.
1
- B.
2
- C.
3
- D.
4
Correct Answer
C. 3Explanation
Lymphatic vessels have three layers. The innermost layer is called the endothelium, which is a thin layer of cells that helps to prevent fluid leakage. The middle layer is made up of smooth muscle cells that contract to help move lymph fluid through the vessels. The outermost layer is a connective tissue layer that provides support and protection to the vessels. These three layers work together to ensure the proper functioning of the lymphatic system.Rate this question:
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- 30.
What is the function of the right lymphatic duct?
- A.
Drains lymph into the head, neck and torso
- B.
Collects lymph from the right side of the body
- C.
Collects lymph from the right side of the head, neck chest and right arm
- D.
Collects lymph from the left side of the body
Correct Answer
C. Collects lymph from the right side of the head, neck chest and right armExplanation
The right lymphatic duct is responsible for collecting lymph from the right side of the head, neck, chest, and right arm. It drains this lymph into the venous circulation, allowing it to be returned to the bloodstream. This function is important for maintaining fluid balance and immune function in the body.Rate this question:
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- 31.
What is the structure of the spleen?
- A.
Inner capsule of fibrous tissue
- B.
Outer capsule of fibrous tissue
- C.
Inner capsule of elastic tissue
- D.
Outer capsule of elastic tissue
Correct Answer
B. Outer capsule of fibrous tissueExplanation
The structure of the spleen consists of an outer capsule made of fibrous tissue. This fibrous tissue provides support and protection to the spleen.Rate this question:
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Aug 27, 2023Quiz Edited by
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Mar 08, 2018Quiz Created by
Wayne Duggan
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