HISTOLOGY EXAM 2026 /2027 BANK 400+ QUESTIONS WITH DETAILED
VERIFIED ANSWERS / EXAM QUESTIONS WILL COME FROM HERE (100%
CORRECT ANSWERS/ A+ GRADED
Tissues - ANSWER - Consist of cells and extracellular matrix
4 Basic Tissue Types - ANSWER - Epithelial, Connective, Muscle, and Nervous
Functions of epithelium - ANSWER - Protection, Containment of body fluids, and
Absorption and secretion.
Where can you find epithelium? - ANSWER - Epithelium covers body surfaces,
lines cavities, and makes up glands
How can you characterize epithelium? - ANSWER - Epithelium is characterized
by close cell apposition and location at a free surface
What is epithelium compose of? - ANSWER - A cell membrane, a nucleus, and
basement membrane.
Simple Squamous - ANSWER - Single layer of squamous cells
Stratified Squamous - ANSWER - Several layers of squamous cells
Simple Cuboidal - ANSWER - Single layer of cube-like cells
Stratified Cuboidal - ANSWER - Several layers of cube-like cells
1
,Simple Columnar - ANSWER - Single layer of column-like cells
Stratified Columnar - ANSWER - Multiple layers of column-like cells
Where is endothelium? - ANSWER - Lines the vascular system
Where is mesothelium - ANSWER - Lines the body cavities
Where do you find connective tissue? - ANSWER - Connective tissue underlies or
surrounds other tissues.
What makes up connective tissue? - ANSWER - Cells and extracellular matrix
What is the function of connective tissue? - ANSWER - Mechanical
reinforcement, Immune surveillance, Transport and diffusion of nutrients and
waste, and Energy storage.
How is connective tissue characterized? - ANSWER - On the basis of its
extracellular matrix.
What do you find in connective tissue? - ANSWER - Fibroblast, Nuclei, Elastic
fibers, Collagenous fibers, and Ground substance.
What are the types of muscle tissue? - ANSWER - Skeletal, Cardiac, and Smooth.
What are the striated muscles? - ANSWER - Skeletal and parts of cardiac
2
,The muscular system consists of contractile cells and is responsible for? -
ANSWER - The movement of body and its parts
What is the purpose of Nerve Tissue? - ANSWER - Nerve tissue receives,
transmits, and integrates information from outside and inside the body to control
the activities of the body.
Nerve tissue consists of? - ANSWER - Neurons and various supporting cells such
as Neuroglial, Schwann, and Satellite cells.
What are the 3 embryonic germ layers? - ANSWER - Ectoderm, Mesoderm, and
Endoderm
Ectoderm gives rise to? - ANSWER - Brain and nervous system; Neural Crest;
Epidermis and associated structures
Mesoderm gives rise to? - ANSWER - Notochord; Mesenchyme (Bone and
cartillage, Circulatory system, and Dermis); Somites (Muscles, Excretory system,
Gonads, and outer covering of internal organs.)
Endoderm gives rise to? - ANSWER - Embryonic Gut: Inner lining of digestive
tract, Inner lining of respiratory tract, and glands (including hepatic and pancreatic)
Which tissue type consists of all three germ layers? - ANSWER - Epithelium
What are the dimensions of a Red Blood Cell? - ANSWER - 7.8 micrometers in
diameter and 2.6 micrometers thick
3
, 1 picometer= - ANSWER - .01 Angstroms
1 Angstrom= - ANSWER - 0.1 nanometers
10 Angstroms = - ANSWER - 1.0 nanometers
1000 nanometers = - ANSWER - 1.0 micrometers
1000 micrometers = - ANSWER - 1.0 millimeters
What are the 4 steps of Tissue preparation? - ANSWER - Fixation, Embedding,
Sectioning, and Staining
What is the purpose of fixation? - ANSWER - To stabilize and preserve the tissue.
What are the artifacts of fixation? - ANSWER - Distortion at the edges; Variation
in consistency of fix; Swelling or shrinking of cells
What fixative is use for Light Microscopy? - ANSWER - Neutral Buffered
Formalin
What is the active ingredient of Neutral buffered Formalin? - ANSWER -
Formaldehyde
Neutral Buffered Formalin reacts with? - ANSWER - Amino groups of proteins
4
VERIFIED ANSWERS / EXAM QUESTIONS WILL COME FROM HERE (100%
CORRECT ANSWERS/ A+ GRADED
Tissues - ANSWER - Consist of cells and extracellular matrix
4 Basic Tissue Types - ANSWER - Epithelial, Connective, Muscle, and Nervous
Functions of epithelium - ANSWER - Protection, Containment of body fluids, and
Absorption and secretion.
Where can you find epithelium? - ANSWER - Epithelium covers body surfaces,
lines cavities, and makes up glands
How can you characterize epithelium? - ANSWER - Epithelium is characterized
by close cell apposition and location at a free surface
What is epithelium compose of? - ANSWER - A cell membrane, a nucleus, and
basement membrane.
Simple Squamous - ANSWER - Single layer of squamous cells
Stratified Squamous - ANSWER - Several layers of squamous cells
Simple Cuboidal - ANSWER - Single layer of cube-like cells
Stratified Cuboidal - ANSWER - Several layers of cube-like cells
1
,Simple Columnar - ANSWER - Single layer of column-like cells
Stratified Columnar - ANSWER - Multiple layers of column-like cells
Where is endothelium? - ANSWER - Lines the vascular system
Where is mesothelium - ANSWER - Lines the body cavities
Where do you find connective tissue? - ANSWER - Connective tissue underlies or
surrounds other tissues.
What makes up connective tissue? - ANSWER - Cells and extracellular matrix
What is the function of connective tissue? - ANSWER - Mechanical
reinforcement, Immune surveillance, Transport and diffusion of nutrients and
waste, and Energy storage.
How is connective tissue characterized? - ANSWER - On the basis of its
extracellular matrix.
What do you find in connective tissue? - ANSWER - Fibroblast, Nuclei, Elastic
fibers, Collagenous fibers, and Ground substance.
What are the types of muscle tissue? - ANSWER - Skeletal, Cardiac, and Smooth.
What are the striated muscles? - ANSWER - Skeletal and parts of cardiac
2
,The muscular system consists of contractile cells and is responsible for? -
ANSWER - The movement of body and its parts
What is the purpose of Nerve Tissue? - ANSWER - Nerve tissue receives,
transmits, and integrates information from outside and inside the body to control
the activities of the body.
Nerve tissue consists of? - ANSWER - Neurons and various supporting cells such
as Neuroglial, Schwann, and Satellite cells.
What are the 3 embryonic germ layers? - ANSWER - Ectoderm, Mesoderm, and
Endoderm
Ectoderm gives rise to? - ANSWER - Brain and nervous system; Neural Crest;
Epidermis and associated structures
Mesoderm gives rise to? - ANSWER - Notochord; Mesenchyme (Bone and
cartillage, Circulatory system, and Dermis); Somites (Muscles, Excretory system,
Gonads, and outer covering of internal organs.)
Endoderm gives rise to? - ANSWER - Embryonic Gut: Inner lining of digestive
tract, Inner lining of respiratory tract, and glands (including hepatic and pancreatic)
Which tissue type consists of all three germ layers? - ANSWER - Epithelium
What are the dimensions of a Red Blood Cell? - ANSWER - 7.8 micrometers in
diameter and 2.6 micrometers thick
3
, 1 picometer= - ANSWER - .01 Angstroms
1 Angstrom= - ANSWER - 0.1 nanometers
10 Angstroms = - ANSWER - 1.0 nanometers
1000 nanometers = - ANSWER - 1.0 micrometers
1000 micrometers = - ANSWER - 1.0 millimeters
What are the 4 steps of Tissue preparation? - ANSWER - Fixation, Embedding,
Sectioning, and Staining
What is the purpose of fixation? - ANSWER - To stabilize and preserve the tissue.
What are the artifacts of fixation? - ANSWER - Distortion at the edges; Variation
in consistency of fix; Swelling or shrinking of cells
What fixative is use for Light Microscopy? - ANSWER - Neutral Buffered
Formalin
What is the active ingredient of Neutral buffered Formalin? - ANSWER -
Formaldehyde
Neutral Buffered Formalin reacts with? - ANSWER - Amino groups of proteins
4
