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FREE AND STUDY GAMES ABOUT ANATOMY CH. 21/22
EXAM QUESTIONS
Actual Qs and Ans Expert-Verified Explanation
This Exam contains:
-Guarantee passing score -58 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: Lymphatic capillaries are usually __ in diameter than blood capillaries.
Answer:
larger Question 2: __ are the most prevalent leukocyte in the blood and the first to arrive during the inflammatory response. __ are cells that reside in tissues throughout the body; the arrive later after response begins and stay longer than neutrophils.
Answer:
neutrophils, macrophages
Question 3: Lacteals pick up dietary __.
Answer:
lipids Question 4: Dietary lipids enter the lymphatic system through tiny lymph vessels called __.
Answer:
lacteals
Question 5: The largest lymphatic organ in the human body is the __.
Answer:
spleen Question 6: As the interstitial hydrostatic pressure increases, is more or less fluid driven into the lymphatic capillaries?
Answer:
more
Question 7: Name the function of the lymph nodes.
Answer:
filters lymph, where immune response initiated against substance in lymph Question 8: __ __ are small, round, or oval encapsulated structures located along the pathways of lymph vessels, where they serve as the main lymphatic organ. They function in the filtering of lymph and removal of unwanted substances.
Answer:
lymph nodes Question 9: Lymphatic system lacks a pump, therefore it relies on muscle contraction to assist flow back to __ system.
Answer:
venous
Question 10: On average, how much interstitial fluid becomes lymph each day?
Answer:
- liters
Question 11: The lymph node regions deep to the capsule are subdivded into an outer __ (sinus and nodules) and inner __ (cords and sinuses).
Answer:
cortex, medulla
Question 12: Some plasma cells produce soluble proteins called __-binds to and damage foreign particle. Other cells (__) attack/destroy antigens directly. Other cells become __ cells, they remember past antigens and initiate faster response if antigen appears again.
Answer:
antibodies, cytotoxic, memory
Question 13: Name the function of the spleen.
Answer:
filters blood, where immune response initiated against substance in blood; removes aged erythrocytes and platelets; serve as platelet reservoir Question 14: Lymphatic vessels connect directly to lymphatic organs called __ __. Foreign or pathogenic material is filterd as lymph pass through these __ __.
Answer:
lymph nodes
Question 15: What are the three main functions of the lymphatic system?
Answer:
- transport excess interstitial fluid (ISF) to CV system and urinary system (venous system);
- transport fat from digestive system into CV system;
- deliver an immune response-store/replicate lymphocytes and deactivate (destroy) pathogens
Question 16: Name the function of the thymus.
Answer:
Site of T-lymphocyte maturation and differentiation Question 17: The right lymphatic duct is located near the right clavicle. It receives lymph from
the lymphatic trunks that drain the following areas:
Answer:
- right side of the head and neck,
- right upper limb,
- right side of thorax
Question 18: Lymphatic vessels resemble small:
Answer:
veins
Question 19: NK cells are __ cells. They are not specific to antigens. They can recognize/attack anything.
Answer:
patrolling Question 20: When excess interstitial fluid is not reabsorbed, the tissues swell, causing a condition called __.
Answer:
edema Question 21: The __ is located in the left upper quadrant of the abdominal cavity. It is tucked under the diaphragm (ribs 9-11). Blood supply via splenic artery/vein. It has no capsule and no cortex/medulla.
Answer:
spleen Question 22: The right lymphatic duct drains lymph from which quarter of the body?
Answer:
right upper Question 23: The __ is a bilobed organ that is located in the superior mediastinum and functions in T-lymphocyte maturation. Continues to grow until puberty then regresses and is replaced by adipose c.t. Max. weight 30-50g.
Answer:
thymus
Question 24: Lymphatic __ are formed from merging lymphatic vessels.
Answer:
trunks Question 25: There are two ways to attack: 1 humoral immunity (antibodies)- _ lymphocytes (2 types) and
- cell mediated immunity (direct cell attack)- _ lymphocytes (4 types)
Answer:
B lymphocytes, T lymphocytes