WGU D313 Anatomy and Physiology Objective Assessment Question Bank
2025/2026
Contents Question Bank1
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Question Bank
- Which level of structural organization includes all organ systems functioning together?
A.Tissue B.Organ C.Organism D.Cellular
Answer:C
Rationale:The organism level integrates all organ systems. A is groups of cells, B is multiple tissues, D is individual cells.
- What is the primary role of negative feedback in maintaining homeostasis?
A.Initiates a response B.Stabilizes internal conditions C.Amplifies changes D.Disrupts equilibrium
Answer:B
Rationale:Negative feedback counteracts changes to maintain stability (e.g., blood pressure regulation). C is positive feedback, A and D are incorrect.
- Which tissue type forms protective barriers with tightly packed cells?
A.Connective B.Epithelial C.Muscle D.Nervous
Answer:B
Rationale:Epithelial tissue has closely packed cells for protection. A has matrix, C contracts, D conducts signals.
- What is the function of goblet cells in epithelial tissue?
A.Muscle contraction B.Mucus secretion C.Nerve conduction D.Blood production
Answer:B
Rationale:Goblet cells secrete mucus to protect surfaces. A, C, and D are unrelated.
- Which cells are responsible for bone matrix formation?
A.Osteoclasts B.Osteoblasts C.Chondrocytes D.Osteocytes
Answer:B
Rationale:Osteoblasts build bone matrix. A resorb bone, C form cartilage, D main- tain bone.
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