Nur 306 QUESTIONS AND ANSWERS .Buy Quality Materials!
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Course
NURS 306
Institution
NURS 306
Nur 306 QUESTIONS AND ANSWERS .Buy Quality Materials!
Mitochondrion (Mitochondria)
energy production (power plant)
Smooth Endoplasmic Reticulum (SER)
lipid production and detoxification (Accessory production - makes decorations for the toy, etc.)
Rough Endoplasmic Reticulum (RER)
Protein pr...
Nur 306 QUESTIONS AND ANSWERS . Buy
Quality Materials!
Mitochondrion (Mitochondria)
energy production (power plant)
Smooth Endoplasmic Reticulum (SER)
lipid production and detoxification (Accessory production - makes decorations for the
toy, etc.)
Rough Endoplasmic Reticulum (RER)
Protein production; in particular for export out of the cell (Primary production line -
makes the toys)
Nucleus
DNA Storage (Room where the blueprints are kept)
Golgi apparatus
Protein modification and export (Shipping department)
Peroxisome
Lipid Destruction; contains oxidative enzymes
(Security and waste removal)
Lysosome
Protein destruction (Recycling and security)
Cell membrane
Supports/protects cell; controls movement of substances into/out of cell; separates cell
from its environment
Cell wall
Stiff, rigid structure that surrounds the cell membrane to support/protect the cell
Ribosome
Small bodies floating in cytoplasm (or attached to the endoplasmic reticulum) that make
proteins
Cytoplasm
Clear, thick, jelly-like substance inside the cell membrane that contains the other
organelles
nervous tissue location
brain, spinal cord, nerves
muscle tissue location
cardiac muscle, smooth muscle, skeletal muscle
epithelial tissue location
lining of GI tract organs and other hollow organs, skin surface (epidermis)
connective tissue location
fat and other soft padding tissue, bone, tendon
Four types of body tissues (Head to toe)
nervous, muscle, epithelial, connective
simple epithelium
single layer of cells
epithelial tissue functions
protection from physical, chemical, and biological wear and tear
,squamous cell shape
flattened and thin
cuboidal cell shape
boxy, as wide as it is tall
columnar cell shape
rectangular, taller than it is wide, psuedostr
Pseudostratified tissue
One layer that appears as several
pseudo-
false
transitional tissue
Stretchy or variably shaped cells
epithelium tissue
covers the body surface and lines its cavities
simple epithelial cells
single layer of cells
stratified epithelial cells
multiple layers of cells
simple squamous epithelium function
allows materials to pass through by diffusion and filtration, and secretes lubricating
substance.
simple squamous epithelium location
air sacs of lungs and the lining of the heart, blood vessels, and lymphatic vessels
simple cuboidal epithelium location
in ducts and secretory portions of small glands and in kidney tubules
simple cuboidal epithelium function
secretes and absorbs
simple columnar epithelium location
Ciliated tissues are in the bronchi, uterine tubes, uterus, digestive tract, bladder
simple columnar epithelium function
absorbs; also secretes mucous and enzymes
pseudostratified columnar epithelium function
secretes mucus; ciliated tissue moves mucus
pseudostratified columnar epithelium location
lines trachea and most of upper respiratory tract
stratified squamous epithelium location
esophagus, mouth, vagina
stratified squamous epithelium function
protects against abrasions
stratified cuboidal epithelium location
sweat glands, salivary glands, mammary glands
stratified cuboidal epithelium function
protective tissue
stratified columnar epithelium location
male urethra, ducts and some glands
stratified columnar epithelium function
, secretes and protects
transitional epithelium location
lines the ureters, bladder, and part of the urethra
transitional epithelium function
allows urinary organs to expand and stretch
active transport
the movement of materials through a cell membrane using energy
Adaptation
A characteristic that improves an individual's ability to survive and reproduce in a
particular environment.
Alleles
alternative versions of a gene caused by mutation
Anaphase
Phase of mitosis in which the chromosomes separate and move to opposite ends of the
cell
Mitosis phases in order (PMAT)
prophase, metaphase, anaphase, telophase
anaplasia
"to form backwards"
Hallmark of cancer
Loss of structural/functional differentiation of normal cells during tumorigenesis.
Apoptosis
programmed cell death
autosomal dominant
pattern of inheritance characteristic of some genetic disorders.
atrophy
reduction in cell size and number
Autosomal
Any chromosome located on one of the numbered, none sex chromosome
Dominant
single copy of the mutated gene (from one parent) is enough to cause the disorder.
autosomal recessive
pattern of inheritance characteristic of some genetic disorders.
Recessive
two copies of the mutated gene (one from each parent) are required to cause the
disorder.
autosome
one of the numbered chromosomes, as opposed to the sex chromosome
Number of human chromosomes
46 chromosomes, 23 pairs
1 pair being sex chromosome (XX or XY)
XX chromosome pair
female
XY chromosome pair
male
benign
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