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BIOS 255 WEEK 7 QUIZ FINAL EXAM (Latest Update 2026 / 2027) Anatomy and Physiology IV with Lab | Questions & Answers | 100% Correct | Grade A – Chamberlain

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BIOS 255 WEEK 7 QUIZ FINAL EXAM (Latest Update 2026 / 2027) Anatomy and Physiology IV with Lab | Questions & Answers | 100% Correct | Grade A – Chamberlain

Institution
BIOS 255
Course
BIOS 255

Content preview

BIOS 255 WEEK 7 QUIZ FINAL EXAM
(Latest Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A –
Chamberlain

1. The main function of the lymphatic system is to:
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A. Pump blood
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B. Return interstitial fluid to the bloodstream
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C. Digest fats
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D. Produce red blood cells
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Correct Answer: B r. r.




Rationale: The lymphatic system collects excess interstitial fluid
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and returns it to the circulation.
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2. Lymph nodes are strategically located to:
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A. Produce antibodies only
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B. Filter lymph from specific body regions
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C. Store RBCs
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D. Produce hormones
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Correct Answer: B r. r.




Rationale: Lymph nodes filter lymph and trap pathogens as it
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passes through the body.
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,3. The thoracic duct drains lymph from:
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A. Right upper body
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B. Most of the body except right upper quadrant
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C. Only the legs
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D. Only the head and neck
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Correct Answer: B r. r.




Rationale: The thoracic duct is the largest lymphatic vessel and
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drains the majority of the body.
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4. The right lymphatic duct drains lymph from:
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A. Entire body
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B. Right upper limb, right thorax, and right head/neck
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C. Only the lower body
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D. Only the left side of the body
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Correct Answer: B r. r.




Rationale: The right lymphatic duct collects lymph from the right
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upper quadrant.
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5. Lymphatic vessels have valves to:
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A. Prevent backward flow of lymph
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B. Facilitate blood flow
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C. Transport oxygen
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D. Promote phagocytosis
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Correct Answer: A r. r.

,Rationale: Valves ensure lymph moves in one direction toward the
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heart.
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6. The red pulp of the spleen:
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A. Contains T-cells
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B. Filters blood and removes old RBCs
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C. Produces insulin
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D. Transports oxygen
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Correct Answer: B r. r.




Rationale: Red pulp removes aged or damaged red blood cells from
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circulation.
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7. White pulp of the spleen:
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A. Filters blood for pathogens and houses lymphocytes
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B. Stores RBCs
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C. Produces insulin
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D. Transports nutrients
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Correct Answer: A r. r.




Rationale: White pulp is lymphoid tissue that participates in
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immune responses.
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8. The appendix contributes to immunity by:
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A. Digesting fats
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B. Housing lymphoid tissue that monitors gut bacteria
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C. Producing insulin
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, D. Transporting oxygen
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Correct Answer: B r. r.




Rationale: The appendix contains lymphoid tissue that contributes
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to gut immunity.
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9. Lymph flows from:
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A. Lymphatic trunks → capillaries → ducts
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B. Capillaries → vessels → trunks → ducts
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C. Blood → lymph nodes → capillaries
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D. Capillaries → veins → arteries
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Correct Answer: B r. r.




Rationale: Lymph moves from capillaries to larger vessels and then
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into ducts.
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10. Primary lymphoid organs include:
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A. Lymph nodes and spleen
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B. Thymus and bone marrow
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C. Appendix and tonsils
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D. Liver and kidney
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Correct Answer: B r. r.




Rationale: Primary lymphoid organs are sites of lymphocyte
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production and maturation.
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11. Secondary lymphoid organs include:
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Institution
BIOS 255
Course
BIOS 255

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