Sample Questions and Answers
- Which of the following is NOT a function of the lymphatic system?
A) Transporting nutrients to tissues
B) Defending the body against infections
C) Removing interstitial fluid from tissues
D) Absorbing fats from the digestive system
Answer: A) Transporting nutrients to tissues - The lymphatic system is composed of all of the following EXCEPT:
A) Lymph nodes
B) Spleen
C) Blood vessels
D) Lymphatic vessels
Answer: C) Blood vessels - What is the primary fluid found in lymphatic vessels?
A) Blood plasma
B) Lymph
C) Interstitial fluid
D) Cerebrospinal fluid
Answer: B) Lymph - Which of the following structures filters and removes pathogens from lymph?
A) Thymus
B) Lymph nodes
C) Liver
D) Bone marrow
Answer: B) Lymph nodes - Where does the lymphatic system return excess fluid to the bloodstream?
A) Left atrium of the heart
B) Thoracic duct
C) Inferior vena cava
D) Right atrium of the heart
Answer: B) Thoracic duct - What is the main function of the spleen in the lymphatic system?
A) Production of lymphocytes
B) Filtration of blood
C) Absorption of nutrients
D) Secretion of antibodies
Answer: B) Filtration of blood - Which of the following is a primary lymphoid organ?
A) Tonsils
B) Lymph nodes
C) Thymus
D) Spleen
Answer: C) Thymus - The movement of lymph is primarily driven by:
A) The pumping action of the heart
B) Smooth muscle contractions in lymphatic vessels
C) Active transport by lymphatic cells
D) Gravity
Answer: B) Smooth muscle contractions in lymphatic vessels - Which of the following cells is responsible for the immune response in the lymphatic system?
A) Red blood cells
B) Neurons
C) Lymphocytes
D) Platelets
Answer: C) Lymphocytes - The lymphatic system is most involved in which of the following processes?
A) Oxygen transport
B) Hormone regulation
C) Immune response
D) Carbon dioxide elimination
Answer: C) Immune response - Which type of lymphocyte matures in the thymus?
A) B cells
B) T cells
C) Macrophages
D) Natural killer cells
Answer: B) T cells - The tonsils help protect against infection in which part of the body?
A) Upper respiratory tract
B) Digestive system
C) Lower respiratory tract
D) Urinary system
Answer: A) Upper respiratory tract - What is the name of the condition where lymph accumulates in tissues due to obstruction or damage to lymphatic vessels?
A) Lymphadenopathy
B) Lymphedema
C) Lymphoma
D) Leukemia
Answer: B) Lymphedema - Which of the following structures is responsible for draining lymph from the right arm and right side of the head?
A) Thoracic duct
B) Right lymphatic duct
C) Subclavian vein
D) Jugular vein
Answer: B) Right lymphatic duct - Which lymphatic organ stores blood and recycles iron?
A) Spleen
B) Thymus
C) Tonsils
D) Lymph nodes
Answer: A) Spleen - What is the name of the tissue found in lymphatic organs that contains many lymphocytes?
A) Reticular connective tissue
B) Elastic tissue
C) Muscle tissue
D) Cartilage
Answer: A) Reticular connective tissue - The primary role of the lymph nodes in the lymphatic system is to:
A) Store lymphocytes
B) Produce red blood cells
C) Filter lymph
D) Regulate fluid balance
Answer: C) Filter lymph - Which of the following is a secondary lymphoid organ?
A) Thymus
B) Bone marrow
C) Lymph nodes
D) Spleen
Answer: C) Lymph nodes - Which lymphatic vessel collects lymph from the lower body and abdominal organs?
A) Right lymphatic duct
B) Thoracic duct
C) Subclavian vein
D) Jugular vein
Answer: B) Thoracic duct - Lymph fluid is primarily composed of which substance?
A) Red blood cells
B) White blood cells
C) Water, proteins, and waste products
D) Platelets and clotting factors
Answer: C) Water, proteins, and waste products - Which of the following is NOT a characteristic of lymph?
A) It is similar to blood plasma but without red blood cells.
B) It transports absorbed fats from the digestive system.
C) It carries oxygen and nutrients to tissues.
D) It is filtered by lymph nodes.
Answer: C) It carries oxygen and nutrients to tissues. - The collection of lymph from tissues into lymphatic vessels is known as:
A) Filtration
B) Absorption
C) Reabsorption
D) Lymph drainage
Answer: D) Lymph drainage - Which of the following immune cells are found in large numbers in lymphatic tissues?
A) Erythrocytes
B) Leukocytes
C) Neurons
D) Platelets
Answer: B) Leukocytes - The lymphatic system works closely with which other system to maintain fluid balance in the body?
A) Digestive system
B) Endocrine system
C) Circulatory system
D) Nervous system
Answer: C) Circulatory system - What is the function of the Peyer’s patches in the lymphatic system?
A) Produce red blood cells
B) Destroy pathogens in the intestines
C) Filter lymph
D) Store iron
Answer: B) Destroy pathogens in the intestines - The primary function of the bone marrow in the lymphatic system is to:
A) Filter lymph
B) Produce red and white blood cells
C) Absorb fat from the digestive system
D) Secrete hormones
Answer: B) Produce red and white blood cells - What type of immunity is provided by the lymphatic system?
A) Innate immunity
B) Acquired immunity
C) Both innate and acquired immunity
D) None of the above
Answer: C) Both innate and acquired immunity - Which of the following does NOT contribute to the movement of lymph through the lymphatic vessels?
A) The contraction of skeletal muscles
B) The contraction of smooth muscles in the vessel walls
C) The pumping action of the heart
D) The presence of valves in the lymphatic vessels
Answer: C) The pumping action of the heart - The thymus is most active during which stage of life?
A) Infancy and childhood
B) Adulthood
C) Old age
D) Pregnancy
Answer: A) Infancy and childhood - Which of the following is a common condition that results from a malfunction of the lymphatic system?
A) Hypertension
B) Lymphedema
C) Asthma
D) Hemophilia
Answer: B) Lymphedema
- Which structure prevents the backward flow of lymph in lymphatic vessels?
A) Valves
B) Smooth muscle
C) Lymphocytes
D) Sinuses
Answer: A) Valves - What is the main component of the lymphatic system that helps in the immune response?
A) Lymph fluid
B) Lymph nodes
C) Lymphocytes
D) Spleen
Answer: C) Lymphocytes - Which type of T lymphocyte is responsible for attacking infected cells directly?
A) Helper T cells
B) Cytotoxic T cells
C) Regulatory T cells
D) Memory T cells
Answer: B) Cytotoxic T cells - Which of the following lymphatic organs is most active in producing and maturing lymphocytes?
A) Lymph nodes
B) Spleen
C) Bone marrow
D) Thymus
Answer: D) Thymus - What is the name of the lymphatic tissue found in the back of the throat that helps protect against inhaled pathogens?
A) Peyer’s patches
B) Tonsils
C) Appendix
D) Spleen
Answer: B) Tonsils
Reviews
There are no reviews yet.