Exam 2: BIOS 255 / BIOS255 (Latest 2025/ 2026 Update) Anatomy and Physiology III Practice test with Verified Answers- Chamberlain.

Exam 2: BIOS 255 / BIOS255 (Latest
2025/ 2026 Update) Anatomy and
Physiology III Practice test with Verified
Answers- Chamberlain.

Question:

Describe Red bone marrow?i,- i,- i,-




Answer:
-involved in hematopoiesis (blood formation) and immunity
i,- i,- i,- i,- i,- i,-




-Soft, loosely organized, highly vascular material
i,- i,- i,- i,- i,-




-B-cell maturation
i,-




Question:
Describe the Lymph nodes?i,- i,- i,-




Answer:

-most numerous lymphatic organs
i,- i,- i,-




-removes unwanted waste i,- i,-




-acts as a site of B-cells and T-cells activation
i,- i,- i,- i,- i,- i,- i,- i,-

,Question:

Describe the Tonsils? i,- i,-




Answer:

-found in pharynx
i,- i,- i,-




-helps to trap inhaled or ingested foreign substances
i,- i,- i,- i,- i,- i,- i,- i,-




-Pharyngeal tonsils i,- i,-




-Palatine tonsils i,- i,-




-Lingual tonsils i,-




Question:

Describe the Thymus? i,- i,-




Answer:
-superior to the mediastinum between the two lungs, deep to the sternum
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-




-site of T-cell maturation and growth
i,- i,- i,- i,- i,-




-shrinks as we age and is replaced with adipose tissue
i,- i,- i,- i,- i,- i,- i,- i,- i,-




-produces hormones that help to mature the T-cell Lymphocytes
i,- i,- i,- i,- i,- i,- i,- i,-




Question:

Describe the Spleen? i,- i,-




Answer:

,-largest lymphatic tissue in the body
i,- i,- i,- i,- i,-




-phagocytosis of bacteria and old RBCs; acts as a blood reservoir
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-




Red pulp:
i,- i,-




-blood reservoir; helps to rid the body of old or damaged RBCs
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-




White pulp: i,-




-consists of B-cells, T-cells, and macrophages
i,- i,- i,- i,- i,-




Question:

Lymphatic tissue? i,-




Answer:
-aggregations of lymphocytes in the connective tissues of mucous
i,- i,- i,- i,- i,- i,- i,- i,- i,-


membranes and various organs i,- i,- i,-




Question:

Compare and contrast between lymph and interstitial fluid
i,- i,- i,- i,- i,- i,- i,-




(identify similarities and differences)?
i,- i,- i,-




Answer:

Interstitial:

-any extracellular fluid that is not found in any vessels.
i,- i,- i,- i,- i,- i,- i,- i,- i,-




Lymph:
-thas been absorbed by the lymphatic vessels
i,- i,- i,- i,- i,- i,-

, -lymph resembles interstitial fluid the since it is essentially the same fluid
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-



only in the lymph vessel
i,- i,- i,- i,-




-Lymph is a subdivision of interstitial fluid
i,- i,- i,- i,- i,- i,-




Question:

Hepatic Artery: function, type of blood carried and the direction of flow?
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-




Answer:

-Carries oxygenated blood to the liver
i,- i,- i,- i,- i,-




-ascends towards the liver
i,- i,- i,-




Question:

Characteristics of Elastic arteries(Conducting arteries)?
i,- i,- i,- i,-




Answer:
-largest arteries by diameter
i,- i,- i,-




-contain more elastic fibers than smooth muscle
i,- i,- i,- i,- i,- i,-




-conduct blood from the heart to the more distant muscular arteries
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-




-pressure reservoirs i,-




Question:
Muscular arteries(distributing arteries)?
i,- i,-