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