4. The Tissue Level of Organization

Question 1

____: A collection of cells and associated intercellular material specialized for a particular function or functions

Answer 1

Tissues

Question 2

What are the four types of tissues

Answer 2

1. Nervous tissue
2. Epithelial tissue
3. Muscle tissue
4. Connective Tissue

Question 3

The Ectoderm gives rise to:

Answer 3

Skin cells, neurons, and pigment cells

Question 4

The Mesoderm gives rise to:

Answer 4

Cardiac muscle, skeletal muscle, tubule cell of kidney, red blood cells, smooth muscle

Question 5

The Endoderm gives rise to:

Answer 5

Lung cell, thyroid cell, and pancreatic cell

Question 6

The ____ is a collection of adherent cells, has very little intercellular materila, covers external and internal surfaces of the body, and is avasular

Answer 6

Epithelium

Question 7

• The ____
  
  • Covers the outer surface of the body
• ____
  
  • Lines all passages leading into the interior of the body
• ____
  
  • Lines most of te closed body cavities
• ____
  
  • Lines blood and lymph vessels

Answer 7

Epidermis

Lining epithelium

Mesothelium

Endothelium

Question 8

Free surfaces are covered by epithelium, except in ____

Answer 8

joints

Question 9

Synovial membranes and bursae of these regions are covered by modified ____ tissue cells

Answer 9

connective

Question 10

There is a correlatuon between the ____ and ____ of an epithelium

Answer 10

structure; function

Question 11

Functions of Epithelium:

Answer 11

1. Protection
2. Absorption (Simple columnar epithelium)
3. Secretion (Simple cuboidal epithelium)
4. Excretion
5. Surface Transport (Simple squamous epithelium)
6. Sensory Reception
7. Separates body into compartments (Simple squamous epithelium)

Question 12

The Epithelium is

1. Highly ____
2. ____
3. Forms ____ barriers

Answer 12

1. Cellular
2. Avascular
3. histologic
   * (Organizes body structure)*

Question 13

The number of ____ of cells composing the epithelium and the ____ of the cells in the topmost layer is used to classify epithelium

Answer 13

layers

shape

Question 14

In keratinized epithelium, free surface cells are ____ and do not possess nuclei

Example: Epidermis of skin

Answer 14

nonliving

Question 15

____: Mitotic cellular layer must replace the dead cels as they slough off

Answer 15

Cytomorphosis

Question 16

In nonkeratinized epithelium, free surface cells are ____ and possess nuclei

Example: Esophagus

Answer 16

living

Question 17

____ Gland

Associate with vascular system in connective tissue

Duct degenerates

Secrete directly into blood

Answer 17

Endocrine

Question 18

An example o an endocrine gland is the ____

Answer 18

thyroid

Question 19

What is A

What is B

What is C

Answer 19

A = Follicle

B = Follicular cells

C = Blood vessels

Question 20

The Pancreas has an ____ and an ____ portion

Some of its secretory cells secrete into ____ duct

Some of its secretory cells secrete directly into ____

Answer 20

endocrine; exocrine

pancreatic

blood

Question 21

Insulin (____)

Digestive Enzyme (____)

Answer 21

Endocrine

Exocrine

Question 22

____: A malignant (cancerous) change in epithelial tissue

Answer 22

Carcinoma