110 terms

Histology Exam 1

Histology Exam 1
Cells are living units because of the
the substance called protoplasm
The characteristics of life include
all of the following: irritability, reproduction contractility
The study of histology include the study of
all of these listed here: fluids amorphours substances, tissues
Tissues are formed by cells that are able to
both: recognize each other, have multiple functions
The type of microscope used and the preparation of tissues are essential to the
study histology
Microscopes are classified based on the
Type of light source that they use.
The ability of a microscope to separate two points that lie close together is it
Resolution Quality
The field of view of microscope lens
decreases with increase objective power
Body fluids are useful in
All of these selections are good: Maintaing the living state in cell, aiding in metabolic, transporting substances.
The mass of microscopic objects is best measured by using a
interference microscope
Select the one that is not an artifact in tissue*
normal diffusion substance in tissue
Select the artifact from the following list
all of these: folds, wrinkles and cracks in tissue, tares in tissues
When tissues have been embedded they are
impregnated with wax
When substances are being reduced in cells they are being
all of these: Synthesized, Anabolized, Created
Protoplasm is capable of
Self replication
The Metabolic process in cells that result in substances being digested is
A protoplasmic characteristic that results in a new cells being formed is
All of these: replication, reduction division, anabolism
Cells that have membrane bound nuclei are
The living content in cells that can not be filtered through the membrane is the
The useful products that are released from cells are
Secretion Products
The cell interacts with its environment through the activities of the
Both: Glycocalyx, Plasma Membrane
The membrane network that forms over 50% of the cell's membrane structures and is continuous with the nuclear envelope is the
Endoplasmic Reticulum
Functioning organelles are lacking in the cytosol of
Diseases that result from dysfunction of lysosomes are
Tay-Sachs Disease
The organelle in the cytoplasm that contain digestive enzymes and termed digestive bags in cells are
The glycocalyx of cells is located
on the outer surface of the plasma membrane
Select the molecules that are secreted by the smooth surface ribosomes
Cholesterol, Testosterone, Progesterone
Individuals with trisomy 21 have a condition called
Down Syndrome
Nucleotides that have thymine in their structure are
DNA molecules
A Gametophyte synthesizes
Chromosomes are replicated in cells during
S of interphase
A cell cycle that has one replication phase and one reduction phases form
Haploid Cells
Individuals that have two X chromosomes and a Y chromosome are
Klinefelter's Syndrome
Male human individuals have a barr's body under what conditions?
When there are two X chromosomes and a Y chromosome
The gender of a human is determined by the
the number and types of sex chromosomes that individual has
The sarcoplasmic reticulum is present in cells of
Sequence codes of RNA are synthesized be
Endoplasmic Reticulum
A nitrogen base that is not found in RNA is
Oxidative phosphorylation occurs in the
The cytoskeleton of cells consist of
all of these: thin filaments, intermediate filaments, microtubules
Pigment found in most cells are
Communication between the nucleus and the cytoplasm is accomplished by the presence of
Nuclear Pores
Genes are located on
DNA Molecules
A ligand is a molecule that
sends signal
A synaptic signal is sent by
Nerve Tissue Cells
Paracrine signals sent will affect cells
in the immediate vicinity
Autocrine signaling lignads affect
the siganing cell
Signaling Molecules that enter the blood and is transmitted to many parts of the body are
Chromosomes of cells
All of these: Determine species, Carry DNA molecules, Determine Species Normality
An individual with a aneuploidy condition has a
abnormal chromosome number
Prophase II is a cell phase that occur during
Give the complete description of living state of life.
Protoplasm defines the characteristics of life.
- Contractility
- Reproduction
- Irritability
- Growth
- Absorption
- Secretion
- Excretion
- Respiration
- Metabolism

Useful in maintaing the living state in the cell, in metabolic, transport of substance, Protoplasm is capable of anabolism
Illustrate why Meiosis is not a cell cycle
Meiosis is cell division 2n>>4n>>(2)2n>>(4)n
and is used for gamete formation, contains 2 replication phases, with end product of 4 haploid
Explain why histology is significant to scientist
Histology is important to scientist because an understanding ability to identify healthy cells and tissues allows the scientist to identify those that are abnormal or diseased. Fluids and Material
Discuss the role and function of the plasma membrane of parenchyma cells
Encloses the cytoplasm and organelles in protection against the external environment. Selectively permeable, Active and Passive Transport, Lipids (-Phobic & -Philic)
Cells are
all of these: units of life, perform metabolic, units capable of self replication
The characteristics of protoplasm include
all of these: contractility, reproduction, metabolism
Select the one that best describes why one should study histology
Understand Disease or There is no adequate response
A supra vital stain is used to stain
Live organism
The function of body fluids are to
Transporting Substances
The aperture of a microscope is it's
Opening in the lens
Microscopes that use invisible light are
Electron Scanning Microscope
List the artifacts in tissue
The glycocalyx of the cell function in
Nucleotides that have uracil in their structure are
RNA molecules
The Trans Golgi network is responsible for
synthesis of lysosomes and the enzymes they contain
Discuss the major events that take place during the asexual reproductive cycle. List the events of each phase and tell how this process is essential to growth and development.
Give the characteristics of life, and give a brief description of each characteristic that you name.
Discuss the subject of histology and give reasons for the study. Give some benefits of knowledge from the study of histology.
Explain two types if microscope used in studying histology.
Histology is the branch of
Histology encompasses ::
Selecting specimen for histology studies include,
Whole mount sections that are embedded in wax are prepared for observations by using
The microscope is used in histology studies to
Basophilic stains will cause the specimen to appear with a color that is
Histochemistry is a method of staining tissue that provides information concerning the
Staining live specimen for future studies is
Some practical uses of histology are:
A Scanning Electron Microscope is used to
Anything that distorts tissue being observed is considered to be ::
A clear agent is used to
Xylene is used during the tissue preparation process to
A microscope that is equipped with a 10x ocular and is viewed using a 100x lens magnifies objects
A microscope that uses an electronic field as a source of light is
Specific chemical constituents of cells and tissues can be localized by methods of
Immunocytochemistry uses
Histology is useful to medical professionals because it
The study of histology include studying tissues of ::
The living substance of life is
Karyoplasm is located
The cytoskeleton of cells is formed by
The metabolic process in cells that results in substances being destroyed is
A protoplasmic characteristic that result in an irreversible increase in size due to the accumulation of new biological material is
Cells that lack a membrane bound nucleus are
Membrane lipids of the cell are
The membrane network that form over 50% of the cell's membrane structures is the
The digestive enzymes bags in cells are the
Hydrogen peroxide is detoxified in cells by ::
Individuals that have one X chromosomes and a Y chromosome have ::
The membrane system that comprises half of the cell's membranes is the ::
Phagocytes are cells that ::
Discuss in detail the properties of protoplasm ::
Give the significance of histology as a field of study ::
Give the role of Ribosome's in the synthesis of lysosomes and glycolysis ::
Cells are
all of these: units of function,
Select the one that best describe why one should study histology
be useful at determining disease tissue from normal tissue
Give a complete description of protoplasm.
Includes substances in the cell membrane and the living substance of the cell.
- Proteins
- Carbo
- NA
- Enzymes
Functions: Characteristics of Life
Contrast Meiosis with the asexual cell cycle
Meiosis 2n>4n>(2)2n>(4)n
Mitosis 2n>4n>(2)2n
Discuss the value of histology to the learner