Table of contents

1. Introduction to Anatomy & Physiology5h 43m
2. Cell Chemistry & Cell Components12h 36m
3. Energy & Cell Processes10h 6m
4. Tissues & Histology10h 3m
5. Integumentary System2h 20m
6. Bones & Skeletal Tissue2h 16m
7. The Skeletal System2h 35m
8. Joints2h 17m
9. Muscle Tissue2h 33m
10. Muscles1h 11m
11. Nervous Tissue and Nervous System1h 35m
12. The Central Nervous System1h 6m
- Introduction to the Central Nervous System
  18m
- The Cerebrum
  48m
13. The Peripheral Nervous System1h 26m
14. The Autonomic Nervous System1h 38m
15. The Special Senses2h 41m
16. The Endocrine System2h 48m
17. The Blood3h 22m
18. The Heart3h 42m
19. The Blood Vessels3h 35m
20. The Lymphatic System3h 16m
21. The Immune System14h 37m
22. The Respiratory System3h 20m
23. The Digestive System2h 5m
24. Metabolism and Nutrition4h 0m
25. The Urinary System2h 39m
26. Fluid and Electrolyte Balance, Acid Base Balance37m
27. The Reproductive System2h 5m
28. Human Development1h 21m
29. Heredity3h 32m

1. Introduction to Anatomy & Physiology

Anatomical Terms for the Head and Neck

Anatomy & Physiology

1. Introduction to Anatomy & Physiology

Anatomical Terms for the Head and Neck

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Multiple Choice

Cells that are flat and thin are classified as which type of epithelial cells?

Columnar

Transitional

Squamous

Cuboidal

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Verified step by step guidance

Step 1: Understand the classification of epithelial cells based on their shape. Epithelial cells are categorized into three main types: squamous (flat and thin), cuboidal (cube-shaped), and columnar (tall and column-like). Transitional epithelial cells are specialized for stretching and are found in areas like the bladder.

Step 2: Focus on the description provided in the question. The problem specifies 'flat and thin' cells, which is a key characteristic of squamous epithelial cells.

Step 3: Compare the characteristics of squamous cells with the other options provided. Columnar cells are tall and elongated, cuboidal cells are cube-shaped, and transitional cells change shape depending on the organ's state.

Step 4: Recall the locations where squamous epithelial cells are typically found, such as the lining of blood vessels (endothelium) and alveoli in the lungs, where their thin structure facilitates diffusion and filtration.

Step 5: Confirm that the correct classification for flat and thin epithelial cells is squamous, as stated in the problem.