Unit 1 Exam Practice Quiz

The three types of protein fibers found in connective tissue are

collagen, reticular fibers, elastin

Epithelial tissue covers body surfaces and forms ___ that are derived developmentally from body surfaces.

glands

Phagocytosis, Pinocytosis and Exocytosis are active or passive

Active

Match the tissues with its functions Tissues: - simple epithelium - cuboidal epithelium - columnar epithelium - stratified epithelium Functions: - secretion - absorption - protection - diffusion

- stratified epithelium - protection - cuboidal epithelium - absorption - columnar epithelium - secretion - simple epithelium - diffusion

An atom has an atomic number of 19 and a mass number of 39. This atom will have __ neutrons

20

What are the 4 subcategories of Connective tissue proper

Areolar, Reticular, Dense regular, Dense irregular

Move ions or molecules across the membrane

Carrier proteins

Used in formation of microtubules found in cilia and flagella

Centrioles

Forms passage ways through the plasma membrane

Channel proteins

T/F Epithelial tissue Has abundant extracellular matrix and very few cells

FALSE

T/F Epithelial tissue Is the most abundant primary tissue type

FALSE

T/F The fluid nature of the lipid bilayer prevents membranes from fusing with one another.

FALSE

Describe the location and function of Elastic cartilage

Found in the ear and allows structures to stretch/return to original shape

Describe the location and function of Fibrocartilage

Found in the intervertebral discs and absorbs compressive force

Which of the following statements about receptor-mediated endocytosis is true?

It involves clathrin-coated pits

Increase surface area of the plasma membrane for absorption of substances

Microvilli

Which is not a characteristic function of a cell (metabolism, synthesis, movement, communication, reproduction)

Movement

Whats the difference between peripheral and integral proteins

Peripheral is only one side, integral is both sides

Communication between cells is essential to coordinate the activity of the trillions of cells that make up the human body. Which of the following is/are directly involved in carrying out communication between cells?

Receptor proteins and chemical signal molecules

The small intestine is designed to absorb most of our nutrients and secrete enzymes. Which epithelium would be best for this function?

Simple columnar epithelium

The kidney tubules are key to the secretion and absorption of materials that make up the filtrate and ultimately urine. Which epithelium would be best for this function?

Simple cuboidal epithelium

The blood capillaries and glomerular capsule are both made of an epithelial tissue specifically suited for diffusion and filtration. Which epithelium would be best for this function?

Simple squamous epithelium

The most distal end of the large intestine is the anal canal. This final passageway is not absorptive and must resist the abrasive nature of feces. Which epithelium would be best for this function?

Stratified squamous epithelium

The mouth and esophagus comes in contact with often rough and abrasive substances. It is for mechanical and some chemical digestion but not necessarily absorption. Which epithelium would be best for this function?

Stratified squamous epithelium

All the cartilages (Hyaline, elastic, fibrocartilage) are what tissue

Supporting connective tissue

Compact bone is what kind of tissue

Supporting connective tissue

T/F Low-density lipoprotein is brought into the cell by receptor-mediated endocytosis.

TRUE

Describe the cells within simple squamous epithelial tissues

The cells are thin and flat (not thick)

Dense regular collagenous connective tissue would be found in

a ligament

Cuboidal epithelium is found in areas where __ occurs

absorption

epithelial cells with microvilli are involved in what function

absorption

This type of mediated transport called ________ directly requires energy provided by ATP.

active transport

All of the synthesis reactions in the body are called

anabolism

Most epithelial tissues have one free, or ___, surface not attached to other cells.

apical

Which type of gland discharges fragments of the gland's cells during secretion?

apocrine

Receptor proteins do what

attach to ligand molecules

The basal surface of most epithelial tissues is attached to a __ ___, a specialized type of extracellular material secreted by epithelial and connective tissue cells.

basement membrane

Intervertebral discs exhibit a great deal of strength bc presence of thick bundles of

collagen

Synovial membranes are made up of what (1)

connective tissue

A general characteristic of connective tissue is that it

consist of cells with a lot of extracellular material (matrix) between them

What will happen to a cell with an inner solute concentration of 1% when placed in a 5% solution

crenation

Secretory epithelial cells are usually ____ or ____ in shape

cuboidal or columnar

Mucous Membrane of 4 (mostly 3) components, list them

epithelial cells, basement membrane, lamina propria and sometimes smooth muscle cells

indicate the class of tissue (nervous, connective, muscle, epithelial) that can regenerate, is avascular (no vessels) and consist of cells bound via specialized junctions

epithelial tissues

Epithelial tissue, or ___ covers and protects surfaces, both outside and inside the body.

epithelium

Cellular products such as hormones and neurotransmitters are released by the process of __________________.

exocytosis

Epithelial tissue consists almost entirely of cells, with very little ___ between them.

extracellular matrix

A carrier-mediated process called ________ moves substances into or out of cells from a higher to lower concentration.

facilitated diffusion

A channel-mediated process called ________ moves substances into or out of cells from a higher to lower concentration.

facilitated diffusion

A type of mediated transport called ________ does not require energy to transport substances across the membrane.

facilitated diffusion

Simple and facilitated diffusion differ because

facilitated diffusion requires the presence of a transport protein within the plasma membrane, while simple diffusion does not

Which type of gland disintegrates its cell to release its content during secretion?

holocine

Describe the location and function of Hyaline cartilage

lines surface of moveable joints and provides a low-friction surface

Describe the fibers of skeletal muscles

long multinucleated fibers

Hyaluronic acid gives a slippery quality to fluids that contain it. Hyaluronic acid is a good __

lubricant for joint cavities

reticular tissues are found in

lymphatic organs

Which type of gland discharges the secretory product with cell intact during secretion?

merocine

Serous membrane consist of (3) things, list them

mesothelium, basement membrane, delicate layer of loose connective tissues

Phagocyosis and pinocytosis differ in that _____________.

phagocytosis allows for the transport of larger particles than pinocytosis

Stratified epithelium is adapted for a ___ role

protective

The most specific type of endocytosis is ________________________.

receptor-mediated endocytosis

The rate of movement of molecules across the membrane is limited by the number of available transport proteins.

saturation

A process called ________ uses the energy provided by the movement of other molecules down their concentration gradient.

secondary active transport

A type of transport called ________ does not directly use ATP, but still moves substances from lower concentrations to higher concentrations.

secondary active transport

The type of membrane that protects internal organs from friction is a ___ membrane

serous

Epithelium that is primarily secretory in function would most likely be

simple cuboidal

The movement of materials through epithelium is enhanced by ___ ___ epithelium

simple squamous epithelium

movement of food through the digestive tract results from the action of __ muscle

smooth

What are the 4 functions of connective tissues

storage, support, insulation and transport

What will happen to a cell with an inner solute concentration of 1% when it is placed in a .05% salt solution?

swelling/lysis

the secretion of endocrine glands are released directly into

the blood stream

The type of cell connection that serves as a permeability barrier is a

tight junction

What is the permeability barrier that joins the plasma membranes of adjacent cells to form a tight seal

tight junction

An antiporter will transport ___ across the plasma membrane

two different ions or molecules in opposite direction

A symporter will transport __________ across the plasma membrane.

two different ions or molecules in the same direction

Describe the cells of smooth muscles

uninucleate cells have tapered ends

Describe the cells of cardiac muscles

uninucleate striated branched cells

When a sperm cell comes into contact with an egg cell, there is a change in the electrical charge across the plasma membrane and various channel proteins close. These channels would be called __________ channels.

voltage-gated

Changes in the membrane potential trigger the opening or closing of

voltage-gated channels