Textbook Question
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
A goblet cell is a unicellular exocrine gland that secretes mucus.
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Ch. 4 Histology
Amerman2nd EditionHuman Anatomy & PhysiologyISBN: 9780136873822
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Table of contents
- Ch. 1 Introduction to Anatomy and Physiology26
- Ch. 2 The Chemistry of Life38
- Ch. 3 The Cell55
- Ch. 4 Histology47
- Ch. 5 The Integumentary System30
- Ch. 6 Bones and Bone Tissue36
- Ch. 7 The Skeletal System40
- Ch. 8 Articulations19
- Ch. 9 The Muscular System36
- Ch. 10 Muscle Tissue and Physiology29
- Ch. 11 Introduction to the Nervous System and Nervous Tissue28
- Ch. 12 The Central Nervous System42
- Ch. 13 The Peripheral Nervous System41
- Ch. 14 The Autonomic Nervous System and Homeostasis31
- Ch. 15 The Special Senses39
- Ch. 16 The Endocrine System42
- Ch. 17 The Cardiovascular System I: The Heart30
- Ch. 18 The Cardiovascular System II: The Blood Vessels43
- Ch. 19 Blood32
- Ch. 20 The Lymphatic System and Immunity45
- Ch. 21 The Respiratory System27
- Ch. 22 The Digestive System27
- Ch. 23 Metabolism and Nutrition7
- Ch. 24 The Urinary System39
- Ch. 25 Fluid, Electrolyte, and Acid-Base Homeostasis39
- Ch. 26 The Reproductive System10
- Ch. 27 Development and Heredity5
Chapter 4, Problem 5e
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
Pseudostratified epithelium appears to be simple epithelium but is actually stratified.
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Understand the definition of pseudostratified epithelium: Pseudostratified epithelium is a type of epithelial tissue where all cells rest on the basement membrane, but not all cells reach the apical surface, giving the appearance of being stratified (layered) when it is actually a single layer (simple epithelium).
Analyze the statement: 'Pseudostratified epithelium appears to be simple epithelium but is actually stratified.' This contradicts the definition of pseudostratified epithelium, as it is not stratified but rather a single layer of cells.
Determine the truth value of the statement: Based on the definition, the statement is false because pseudostratified epithelium is not stratified; it is a simple epithelium.
Correct the false statement: The corrected statement should read, 'Pseudostratified epithelium appears to be stratified but is actually a simple epithelium.'
Review the corrected statement to ensure it aligns with the definition and characteristics of pseudostratified epithelium.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Pseudostratified Epithelium
Pseudostratified epithelium is a type of epithelial tissue that appears to be stratified due to the varying heights of its cells, but it is actually a single layer of cells. This tissue typically contains cilia and goblet cells, which are important for secretion and movement of mucus, commonly found in the respiratory tract.
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10:50
Pseudostratified Columnar Epithelia
Simple vs. Stratified Epithelium
Simple epithelium consists of a single layer of cells, allowing for efficient absorption, secretion, and filtration, while stratified epithelium has multiple layers, providing protection against abrasion and wear. Understanding the differences between these types is crucial for identifying tissue functions and locations in the body.
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08:05Stratified Cuboidal Epithelia
Histology of Epithelial Tissue
Histology is the study of the microscopic structure of tissues. In the context of epithelial tissue, histological techniques help differentiate between various types of epithelium based on cell arrangement, shape, and function, which is essential for accurate identification and understanding of tissue roles in health and disease.
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07:25Functions of Epithelial Tissue
Related Practice
Textbook Question
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
Stratified epithelia are specialized to allow substances to cross their cells rapidly.
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Textbook Question
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
Histology is the division of microscopic anatomy that studies the cellular level of organization.
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Textbook Question
Match each type of epithelium with its correct location in the body.
Simple squamous
Pseudostratified columnar
Keratinized stratified
Simple columnar
Transitional
Simple cuboidal
a. Skin
b. Urinary bladder
c. Air sacs of the lungs, squamous blood vessels
d. Kidney tubules, thyroid gland
e. Respiratory passages, nasal cavity
f. Digestive tract
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Textbook Question
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
Epithelial tissues function in protection, immune defenses, secretion, transport, and sensation.
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Textbook Question
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
Epithelial tissue is highly vascular.
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