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BIOL 251 HUMAN ANATOMY & PHYSIOLOGY I W/LAB | MODULE 1 & 2 LAB PRACTICAL EXAM QUESTIONS AND CORRECT ANSWERS WITH RATIONALES |GRADED A+| 2026 EDITION.

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BIOL 251 HUMAN ANATOMY & PHYSIOLOGY I W/LAB | MODULE 1 & 2 LAB PRACTICAL EXAM QUESTIONS AND CORRECT ANSWERS WITH RATIONALES |GRADED A+| 2026 EDITION.

Institution
BIOL 251
Course
BIOL 251

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BIOL 251 HUMAN ANATOMY &

PHYSIOLOGY I W/LAB | MODULE 1 &

2 LAB PRACTICAL EXAM QUESTIONS

AND CORRECT ANSWERS WITH

RATIONALES |GRADED A+

,
, BIOL 251 HUMAN ANATOMY & PHYSIOLOGY I W/LAB




Question 1
Slide shows a single layer of flat cells lining a blood vessel.
• Answer: Simple squamous epithelium
• Rationale: Single layer of flattened cells facilitates diffusion.


Question 2
Slide shows cube-shaped cells with large nuclei lining a gland duct.
• Answer: Simple cuboidal epithelium
• Rationale: Cube-shaped cells function in secretion and absorption.


Question 3
Slide shows column-shaped cells with microvilli lining the small intestine.
• Answer: Simple columnar epithelium
• Rationale: Microvilli increase surface area for absorption.


Question 4
Slide shows stratified layers of flat cells in areas of high abrasion (e.g., esophagus).
• Answer: Stratified squamous epithelium
• Rationale: Multiple layers protect against mechanical stress.

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