Lab Exam #1 Ch. 1-5

Question 0

Stages of mitosis

Answer 0

Prophase metaphase anaphase telophase

Question 1

Mitosis

Answer 1

One nucleus becomes two nuclei

Question 2

Prophase

Answer 2

Pre- beginning –

Chromatin condenses into chromosomes

Question 3

Metaphase

Answer 3

Chromosomes line up in middle

Question 4

Anaphase

Answer 4

Chromosomes start to pull apart

Question 5

Telophase

Answer 5

Looks like 2 attached prophase cells

Cleavage furrow

Question 6

Cytokinesis

Answer 6

Division of cell (cytoplasm)

Question 7

4 passive processes

Answer 7

Diffusion, facilitated diffusion, simple diffusion, osmosis

Question 8

2 active processes

Answer 8

Use ATP

Active transport, vesicular transport

Question 9

Vesicular transport works by

Answer 9

Endocytosis and exocytosis

Question 10

Three types of Endocytosis

Answer 10

Phagocytosis ( cell eating) , pinocytosis (cell drinking), receptor mediated endocytosis (plasma proteins bind certain substances)

Question 11

Identifying pseudo stratified epithelium

Answer 11

Simple columnar epithelium (one layer of cells) and cells vary in height and then nuclei lie at different levels

Question 12

Identifying transitional epithelium

Answer 12

Stratified squamous epithelium but cells may slide over one another

Question 13

Two types of glands

Answer 13

Endocrine and exocrine

Question 14

Endocrine

Answer 14

Ductless gland.

Secrete hormone into blood

Question 15

Exocrine gland

Answer 15

• Have ducts.
• Secretions empty through ducts to the body surface or into body cavities.

-Include the sweat and oil glands, liver, and pancreas.

Question 16

Cardiac muscle look like

Answer 16

Sideways tiger stripes

Question 17

Dense connective tissue : dense regular

Answer 17

Very tight lines

Question 18

Dense irregular

Answer 18

Looks like raw meat collagen fibers go in all directions

Question 19

Dense CT elastic

Answer 19

Curly hair

Question 20

The avascular epidermis is a keratinized stratified squamous epithelium consisting of 4 cell types :

Answer 20

Keratinocytes- gives epidermis durability
Melanocytes
Dendritic- play role in immunity
Tactile (merkil) - touch receptors

Question 21

3 layers of dermis

Answer 21

Papillary layer
Dermal papillae
Then reticular layer

Question 22

Papillary layer

Answer 22

Areolar CT.

Very uneven, has finger-like projections from superior surface

Question 23

Reticular layer

Answer 23

Deepest skin layer
Made of Dense Irregular CT.
Has many veins, arteries, sweat and sebaceous glands, and pressure receptors.

Question 24

Cutaneous glands

Answer 24

Sebaceous (oil) glands

Sweat (sudoriferous) glands

Question 25

Sebaceous (oil) glands

Answer 25

Found all over skin

Produce sebum

Question 26

Sweat (sudoriferous) glands

Type or exocrine gland

Answer 26

Eccrine gland aka merocrine sweat glands
All over body
Heat regulation

Apocrine- axillary and genital
Produce eccrine sweat plus protein and fat substances