100 terms

Anatomy Quarter 1 Exam

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prophase, metaphase, anaphase, telophase
What are the 4 stages of mitosis in order?
identical chromosomes and identical DNA information
Because of mitosis and cytoplasmic division, the resulting cells contain
migrate to opposite poles of the cell
During anaphase of mitosis, chromosomes
M phase
What phase is not part of interphase in the cell cycle?
A. M phase
B. G1 phase
C. G2 phase
D. S phase
identical genetic information
Mitosis generates daughter cells of
46
How many chromosomes can be found in normal human somatic (body) cell?
16
If an organism's diploid number is 32, how many chromosomes are in a gamete (sex cell)?
after mitosis
In the cell cycle cytokinesis occurs
takes place in the nucleus of the cell
In the cell cycle DNA replication
cytokinesis
Which action listed does not occur during interphase?
A. G2 phase
B. cytokinesis
C. S phase
D. G1 phase
sister chromatids
At the beginning of mitosis, the replicated copies of chromosomes are referred to as
stem cells
Cells that retain the ability to divide repeatedly without specializing are called
duplication and division of the genetic material
Mitosis can generally be referred to as the process(es) of
metastasis
The spreading out of cancer cells from the original location to other tissues is called
32
A single cell mitotically divides once every minute. Approximately, how many cells are present after five minutes?
mitosis
The type of cell division that produces new body cells is
contraction of the microfilaments
Cytoplasmic division results from
as the sucrose concentration increases, the rate of diffusion increases
What is the expected effect of sucrose concentration on the rate of diffusion?
active transport
Which of the following cellular processes requires the greatest expendinture of energy?
A. diffusion
B. osmosis
C. active transport
D. dialysis
active transport
Which of the following processes involves the use of specific carrier molecules?
A. active transport
B. phagocytosis
C. pinocytosis
D. dialysis
network of interconnected membranes with ribosomes
Rough endoplasmic reticulum is best described as a
cell membrane
Vesicles are formed by the action of the
lysosomes
The decrease in skeletal muscle size following an extended period of inactivity is most closely associated with the activity of the
Golgi apparatus
What organelle is most prevalent in a cell that secretes large amounts of a substance?
phagocytosis
Small solids can pass through a membrane by the process of
brain
Which of the following is not one of the four basic types of body tissue?
A. brain
B. epithelial
C. connective
D. muscle
epithelial and connective tissue
A basement (basal) membrane occurs between
secretion, absorption, and protection
Epithelial tissues function in
The visceral layer lines a body cavity
Which is not a characteristic of a serous membrane?
A. Serous membranes are composed of two layers
B. The visceral layer lines the body cavity
C. The pericardium lines the heart
D. Serous membranes produce a thin fluid that acts as a lubricant
There is abundant extracellular matrix between cells
Which is not a characteristic of epithelial tissues?
A. Cells are placed close to one another
B. The cells, especially in body cavities, are considered to be structurally delicate
C. The tissues are often one cell layer thick or have only a few layers of cells
D. There is an abundant extracellular matrix between cells
cartilage tissues lack direct blood samples
Cartilage tissues are likely to be slow in healing following an injury because
simple squamous epithelium
The tissue through which gases are exchanged between the blood and the air in the lungs is
osteoclasts
Bone destroying cells are known as
matrix
The extracellular material that separates connective tissue cells and fibers is the
visceral pleura
The serous membrane that lines the lung is the
they tend to die
As cells are pushed from the deeper portion of the epidermis toward the surface
body heat is conserved
When the smooth muscles in the walls of dermal blood vessels contract
serous
Membranes lining body cavities that lack openings to the outside are called
epithelial cells
The cells that produce the shaft of hair are
beneath the dermis
The subcutaneous layer is located
slight shifts in temperature can disrupt the rates of metabolic reactions
The regulation of body temperature is of vital importance because
dermis and subcutaneous layer
the blood vessels that supply skin cells are found in the
intradermal
Injections that are administered into the tissues within the skin are called
protect deeper cells from sunlight
The main function of melanocytes is to
diffusion
On a clear, calm day a train crashes resulting in the release of chlorine gas from one of the cars into the air, the spreading throughout the country. This is an example of
filtration
In chemistry class, a student separates a mixture of sand, rock, and water by sending it through a series of screens and papers. This is an example of
loosening of the connective tissues of the skin
Which is not a normal response to excessive loss of body heat in a cold environment?
cold, dry climate
Which is not a factor that contribute to acne?
A. stress
B. cold, dry climate
C. heredity
D. hormonal changes associated with menstruation
telopahse
Phase of mitosis during which two new nuclei are formed
metaphase
Phase of mitosis during which the duplicated chromosomes line up at the equator of the cell
prophase
Phase of mitosis during which chromosomes become thicker and shorter
telophase
Phase of mitosis during which the chromosomes lengthen at the poles
mitochondria
Membranous sacs with inner partitions to increase surface area and release energy
nucleolus
Dense, non-membranous body composed of RNA molecules and proteins, site of ribosome synthesis
microfilaments
Thin rods that support the cytoplasm within a cell
lysosomes
Digests worn cellular parts or substances entering a cell
ribosomes
Particles of protein and RNA molecules that synthesizes proteins
cell membranes
Maintains wholeness of the cell. Controls passage of materials into and out of the cell
2nd degree
The type of burn that includes the epidermis and dermis resulting in blistering
metabolism
Which of the following includes the others?
A. excretion
B. digestion
C. respiration
D. metabolism
rule of nines
Method used to assess burns
cubital
elbow
frontal
forehead
brachial
arm
cervical
neck
crural
leg
axillary
armpit
dorsum
back
cephalic
head
gluteal
buttock
buccal
cheek
gene
Triplet bases of DNA responsible for heredity
diffusion
Substances move from areas of higher concentration to areas of lower concentration by random motion
permeability
The ability of a substance to pass through a membrane
equilibrium
Uniform distribution of molecules inside and outside of the cell
isotonic
Concentration of water inside the cell is equal to the concentration of water outside the cell
homeostasis
The "steady state" where fine adjustments are made in order for the entire organism to stay in balance
transitional
The cells may be relaxed or extended
simple cuboidal
Forms the lining of the ducts of certain glands
simple squamous
Flat, thin cells in a single layer
stratified squamous
Part of the external protective layer of the skin
pseudostratified
Forms the linings of the respiratory passages, particularly the larger passages
simple columnar
The cells are tall, elongated, layered and uniform in appearance
bone
Matrix contains collagen and mineral salts such as calcium
elastic cartilage
Forms the framework of the ear
blood
The matrix is fluid
adipose
Commonly called fat
dense connective
Main tissue of tendons and ligaments
hyaline cartilage
Protects the ends of long bones
stratum basale
deepest layer of epidermis
sebaceous glands
Secretes an oily fluid into the follicle
stratum corneum
outermost layer of epidermis
arrector pili muscle
responsible for goosebumps
subcutaneous layer
Binds skin to underlying organs
keratin
Protein in fingernails
distal
The knee is (proximal/distal) to the hip
lateral
The ears are (medial/lateral) to the nose
superficial
The epidermis is (deep/superficial) to the dermis
anterior
The sternum is (anterior/posterior)
inferior
The hips are (inferior/superior)