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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


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