GRA Chapter 4 Flashcards
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Questions and Answers

Select the correct statement regarding adipose tissue:

  • Its primary function is nutrient storage (correct)
  • Most of the cell volume is occupied by the nucleus
  • Mature adipose cells are highly mitotic
  • It is composed mostly of extracellular matrix

Which tissue type would likely function to hold the kidneys in place?

adipose

Which of the following is a modification of the simple columnar epithelium that allows for efficient absorption along portions of the digestive tract?

dense microvilli

The shape of the external ear is maintained by ________.

<p>elastic cartilage</p> Signup and view all the answers

Skin, lung, and blood vessel walls have which tissue characteristic in common?

<p>elastic fibers</p> Signup and view all the answers

Which of the following is NOT found in cartilage but is found in bone?

<p>blood vessels</p> Signup and view all the answers

How is hyaline cartilage different from elastic cartilage or fibrocartilage?

<p>It allows great flexibility.</p> Signup and view all the answers

What are the three main components of connective tissue?

<p>ground substance, fibers, and cells</p> Signup and view all the answers

________ epithelium appears to have two or three layers of cells, but all the cells are in contact with the basement membrane.

<p>Pseudostratified columnar</p> Signup and view all the answers

The primary blast cell for connective tissue proper is the ________.

<p>fibroblast</p> Signup and view all the answers

Choose which tissue type likely functions to add support to an organ.

<p>hyaline cartilage</p> Signup and view all the answers

Edema (swelling) occurs when ________.

<p>areolar tissue soaks up excess fluid in an inflamed area</p> Signup and view all the answers

A many-layered epithelium with cuboidal basal cells and flat cells at its surface would be classified as ________.

<p>stratified squamous</p> Signup and view all the answers

The reason that intervertebral discs exhibit a large amount of tensile strength, which allows them to absorb shock, is because they possess ________.

<p>collagen fibers</p> Signup and view all the answers

Which is true concerning muscle tissue?

<p>highly cellular and well vascularized</p> Signup and view all the answers

The fiber type that gives connective tissue great tensile strength is ________.

<p>collagen</p> Signup and view all the answers

Select the correct statement regarding epithelia.

<p>Stratified epithelia are present where protection from abrasion is important.</p> Signup and view all the answers

Which of the following statements is true of connective tissue?

<p>Collagen fibers provide high tensile strength (B)</p> Signup and view all the answers

Select the correct statement regarding the stem cells of connective tissue:

<p>'Blast' cells are undifferentiated, actively dividing cells. (C)</p> Signup and view all the answers

The salivary glands are a good example of a(n) ________ exocrine gland.

<p>compound tubuloalveolar</p> Signup and view all the answers

Connective tissue extracellular matrix is composed of ________.

<p>fibers and ground substance</p> Signup and view all the answers

Choose which tissue would line the uterine (fallopian) tubes and function as a 'conveyer belt' to help move a fertilized egg towards the uterus.

<p>ciliated simple columnar epithelium</p> Signup and view all the answers

Cell type NOT found in areolar connective tissue.

<p>chondrocytes</p> Signup and view all the answers

A ciliated version of pseudostratified columnar epithelium containing mucus-secreting goblet cells ________.

<p>lines most of the respiratory tract</p> Signup and view all the answers

Which tissue in the wall of the uterus is required for labor contractions?

<p>smooth muscle</p> Signup and view all the answers

Which of the following is NOT a step in tissue repair?

<p>formation of new stem cells</p> Signup and view all the answers

Select the correct statement regarding tissue repair.

<p>Inflammation causes capillaries to dilate and become permeable.</p> Signup and view all the answers

Which of the following epithelia forms the walls of the air sacs across which gas exchange occurs in the lungs?

<p>simple squamous</p> Signup and view all the answers

Glands, such as the thyroid, that secrete their products directly into the blood rather than through ducts are classified as ________.

<p>endocrine</p> Signup and view all the answers

Mesenchymal cells are most commonly found in ________ connective tissue.

<p>embryonic</p> Signup and view all the answers

Inability to absorb digested nutrients and secrete mucus might indicate a disorder in which epithelial tissue?

<p>simple columnar</p> Signup and view all the answers

Which statement best describes connective tissue?

<p>usually contains a large amount of matrix</p> Signup and view all the answers

A substance received or given off by your body will likely pass through which tissue type?

<p>epithelial tissue</p> Signup and view all the answers

Chondroblasts ________.

<p>within the cartilage divide and secrete new matrix</p> Signup and view all the answers

Heart muscle cells would tend to separate without ________.

<p>intercalated discs</p> Signup and view all the answers

What tissue has lacunae, calcium salts, and blood vessels?

<p>bone (osseous tissue)</p> Signup and view all the answers

Which tissue type is formed by many cells joining together, each contributing nuclei?

<p>skeletal muscle</p> Signup and view all the answers

Which cells are commonly found wedged between simple columnar epithelial cells?

<p>goblet cells</p> Signup and view all the answers

Which of the following would be of most importance to goblet cells and other glandular epithelia?

<p>Golgi apparatus</p> Signup and view all the answers

Your instructor gives you an unknown organ for you to examine and identify through microscopy. What should you do first with the sample?

<p>fix it with preservative</p> Signup and view all the answers

Arteries, veins, and lymphatics keep clots from sticking as long as their ________ is intact and healthy.

<p>endothelium</p> Signup and view all the answers

Which of the following is true about the mode of secretion of exocrine glands?

<p>Merocrine glands are not altered by the secretory process.</p> Signup and view all the answers

The first step in tissue repair involves ________.

<p>inflammation</p> Signup and view all the answers

Which of the following is true about epithelia?

<p>Endothelium provides a slick surface lining all hollow cardiovascular organs.</p> Signup and view all the answers

What tissue has lacunae, calcium salts, and blood vessels?

<p>bone (osseous tissue)</p> Signup and view all the answers

Generally speaking, connective tissues are largely non-living extracellular matrix. Which of the following is an EXCEPTION?

<p>adipose (B)</p> Signup and view all the answers

Study Notes

Adipose Tissue

  • Primary function is nutrient storage.
  • Functions to hold organs like kidneys in place.
  • Contains "blast" cells that are undifferentiated and actively dividing.

Epithelial Tissue Modifications

  • Dense microvilli enhance absorption in simple columnar epithelium.
  • Pseudostratified columnar epithelium appears layered but all cells contact the basement membrane.
  • Ciliated simple columnar epithelium aids in moving fertilized eggs in uterine tubes.
  • Simple squamous epithelium forms walls of air sacs for gas exchange in lungs.

Connective Tissue Characteristics

  • Composed of ground substance, fibers, and cells; types include adipose, bone, and areolar.
  • Contains collagen fibers, providing high tensile strength and flexibility.
  • Chondroblasts are responsible for matrix secretion in cartilage.
  • Contains elastic fibers found in skin, lungs, and blood vessel walls.

Cartilage Types

  • Hyaline cartilage provides support and flexibility.
  • Elastic cartilage maintains shape, as seen in external ear.
  • Fibrocartilage contains collagen fibers, giving intervertebral discs their tensile strength.

Muscle Tissue

  • Muscle tissue is highly cellular and vascularized, including smooth muscle in the uterus for contractions.
  • Skeletal muscle consists of many cells joining together, contributing nuclei.
  • Heart muscle cells are connected by intercalated discs, preventing separation.

Gland Types

  • Exocrine glands, such as compound tubuloalveolar glands, secrete products through ducts.
  • Endocrine glands, such as the thyroid, release hormones directly into the blood.

Tissue Repair Processes

  • Inflammation is the first step in tissue repair, leading to capillary dilation.
  • Edema occurs when areolar tissue absorbs excess fluid during inflammation.
  • New stem cell formation is not considered a step in tissue repair.

Miscellaneous Facts

  • Connective tissue extracellular matrix is largely non-living, with adipose being an exception.
  • Arteries and veins prevent clot formation due to health of their endothelium.
  • Goblet cells are present in simple columnar epithelial tissue, secreting mucus.

Miscellaneous Cell Characteristics

  • Lacunae, calcium salts, and blood vessels are features of bone (osseous tissue).
  • The Golgi apparatus is crucial for the function of glandular epithelial cells, like goblet cells.
  • Fixing a sample with preservative is the first step in examining unknown organs under microscopy.

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Test your knowledge of adipose tissue with these flashcards. Explore functions, characteristics, and the role of adipose tissue in the body through various statements and definitions. Perfect for students wanting to reinforce their understanding of this critical tissue type.

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