Lecture 2 and 3 HW (FIRST MIDTERM) Flashcards Preview

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Flashcards in Lecture 2 and 3 HW (FIRST MIDTERM) Deck (20):
1

The junction type that lets neighboring cells exchange small molecules is the:

Gap junction

2

Functions of epithelia include all of the following except: controlling permeability. supporting muscle cells. absorption. producing specialized secretions. providing physical protection.

supporting muscle cells

3

Epithelial cells that are adapted for absorption usually have ________ at their free surface.

microvilli

4

Epithelium is connected to underlying connective tissue by:

a basement membrane

5

An epithelial cell can be divided into two functional regions. They are the ________ and the basal surface.

apical

6

Which type of secretion involves the loss of apical cytoplasm?

apocrine

7

A marked loss in strength and elasticity of connective tissue characterizes Marfan’s syndrome. Which connective tissue component imparts strength and elasticity? ground substance. proteinaceous connective tissue fibers. adipocytes. fibroblasts.

proteinaceous connective tissue fibers

8

The viscous material between cells of areolar connective tissue is called the:

ground substance

9

The serous membrane lining the abdominal cavity is the:

peritoneum

10

The function of ________ is to propagate electrical signals from one place to another.

neurons

11

Which layer contains most of the accessory structures?

3

12

The layer of hard keratin that coats the hair is termed the:

cuticle

13

The viscous material between cells of areolar connective tissue is called the...

ground substance

14

When the arrector pili muscles contract, what is formed?

"goose bumps"

15

A protein that reduces water loss at the skin surface is:

keratin

16

The skin layer just beneath the stratum basale is the:

papillary

17

The layer of the skin that contains bundles of collagen and elastic fibers responsible for the strength of the skin is the __________ layer.

reticular

18

The skin can move easily over the underlying muscles because of the loose connective tissue within the...

hypodermis

19

Adipose tissue is a major component of the region labeled...

5

20

Label 1-5.

What layers does the cutaneous membrane consist of?

1. Epidermis

2. Papillary layer

3. Reticular layer

4. Dermis

5. Hypodermis

Cutaneous membrane is the epidermis and dermis (1-4)