histo practice

What is the function of Adipocytes

to store lipids.

Large number of elastic fibres are present in?

A. Tendon

B. Ligamentum Nuchae

C. Basement Membrane

D. Aponeurosis

ligamentum nuchae

Which of the following is NOT TRUE about Collagen

A. Constitutes 30% of the dry body weight

B. is synthesized by fibroblasts

C. Is composed of Mucopolysaccharides

D. Gives gelatin on denaturation

Is composed of Mucopolysaccharides

The fat cells of Multilocular adipose tissue (Brown fat) is characterized by the presence of:

A. Spherical central nucleus and many lipid droplets.

B. Flat peripheral nucleus and single lipid drop

C. Flat central nucleus and single lipid droplet

D. Thin rim of cytoplasm

Flat peripheral nucleus and single lipid drop

What cells are responsible for fiber production?

Fibroblasts

Type 1 Collagen

is in bones, tendons, dermis. Also the most abundant.

Type 2 Collagen

Cartilage

Type 3 Collagen

Reticular Fibers

Type 4 Collagen

Basement membrane

Type 5 Collagen

Blood vessels

Structural Glycoproteins

Will be responsible for adhesion of cells to the neighbor in Ground substance

Plasma cells are derived from?

B Lymphocytes

What is ground substance made up of?

Mucopolysaccharides, Structural glycoproteins, water & electrolytes

Astrocytes

Supporting cells that form the blood-brain barrier and regulate the chemical environment of nervous tissue.

Fibrocartilage

Type of cartilage found in intervertebral discs.

Transitional epithelium

Epithelial tissue that can stretch and contract according to conditions.

Stretching and contracting

Primary function of transitional epithelium in the urinary bladder.

Excision biopsy

Type of biopsy performed when skin cancer is suspected and a small part of the lesion is cut for analysis.

Simple squamous epithelium

Type of epithelium commonly found in the urinary bladder.

What type of epithelium is Endothelium?

simple squamous epithelium

Fibroblast

Principal cell of connective tissue.

What epithelium is found in the excretory ducts of some glands?

Simple cuboidal epithelium

Mucus secretion

Main function of pseudostratified columnar epithelium with ciliated cells in the respiratory tract.

Golgi apparatus

Organelle responsible for the chemical modification of proteins, classification, and packaging of molecules for secretion or transport to other organelles.

Epithelium is strongly irrigated by?

blood capillaries

Small intestine

Where simple columnar epithelium with microvilli is commonly found in the digestive system.

Osteoclast

Cell with phagocytic activity as its main characteristic.

Excision biopsy

Type of biopsy that involves completely removing a suspicious area of tissue.

What type of cell’s main function is secreting the extracellular matrix? And where

Main function of chondrocytes in cartilage.

Osteoclast

Macrophage of bone tissue.

Schwann cells

Supporting cells mainly found in the peripheral nervous system (PNS) and form the myelin sheath around axons.

Oligodendrocytes

Supporting cells involved in myelin formation in the central nervous system (CNS).

Simple cuboidal epithelium

Type of epithelium found in renal tubules and specialized in the reabsorption and secretion of substances.

What type of epithelium is found in the Small intestine?

simple columnar epithelium

What type of epithelium is found in the Skin?

stratified squamous epithelium

Multilocular adipose tissue is responsible for what, and where is it found?

thermogenesis, found in neonates and remnants in adults.

Simple squamous epithelium

Type of epithelium found in lung alveoli for efficient gas exchange.

where is Simple columnar epithelium with microvilli found?

Type of epithelium located in the follicles of the thyroid glands, surface of the ovaries, and renal tubules.

What is Endothelium?

Epithelium consisting of flat cells that line blood and lymphatic vessels.

Fibroblasts are responsible for what in connective tissue?

collagen production.

Epithelial tissue is characterized by what?

the basement membrane, when present, being discontinuous, and the cells being tightly connected to each other.

Microglia cells are?

cells that act as the macrophages of the nervous system, clearing away waste and dead cells.

Stratified squamous non-keratinized epithelium is found where?

epidermis

What type of epithelium is found in the epidermis?

Stratified squamous non-keratinized

Perimysium

Dense connective tissue sheath that surrounds all the fascicles that make up the muscle.

Adipocyte

Cells of fat tissue

Proper lamina of adipose tissue

Characteristic of loose connective tissue.

Simple columnar epithelium is found where?

Epithelium found in the lining of the respiratory passages with ciliated cells and goblet cells.

Epithelium found in the lining of the respiratory passages with ciliated cells and goblet cells is called?

Simple columnar epithelium

__________ Is one of the 4 elementary tissues

Connective tissue

Erythrocytes

Main cellular component of blood tissue.

Esophagus has what type of epithelium?

Where stratified squamous non-keratinized epithelium is commonly found in the digestive system.

Where is stratified squamous non-keratinized epithelium commonly found in the digestive system?

Esophagus

Collagen fibers

Most abundant fibers in the human body.

Astrocytes are?

Supporting cells responsible for regulating cerebral blood flow and removing neurotransmitters at synapses.

What plasma protein is important for clotting?

Fibrinogen

Skeletal striated muscle

Formed by elongated, cylindrical, multinucleated cells, with nuclei arranged toward the periphery. With the presence of transverse striations.

Non-keratinized stratified squamous epithelium

Epithelial tissue found in the esophageal mucosa that is not tough and waterproof like keratinized epithelium.

Myosin

Responsible for muscle contraction in skeletal muscle

Lymphocytes

Responsible for adaptive immune response and antibody production

Hematoxylin and eosin

typically used for histological preparation

Dense irregular substance

Is small digitiform cytoplasmic evaginations with a nucleus of actin filaments, which increase the apical surface for absorption and are visible under light microscopy in the small intestine as striated border or brush border.

Holocrine sebaceous gland

associated with the hair follicle and produces an oily secretion to lubricate the skin and hair

What type of epithelium is found in the lining of the colon?

Simple columnar epithelium

Which of the following supporting cells forms the blood-brain barrier and regulates the chemical environment of nervous tissue?

Show answer options

(A) Oligodendrocytes

(B) Microglia

(C) Schwann cells

(D) Astrocytes

Astrocytes

Where do we find fibrocartilage?

Show answer options

(A) Ear

(B) Nose

(C) Intervertebral discs

(D) Tracheal rings

Intervertebral discs

Which of the following statements about transitional epithelium is correct?

Show answer options

(A) It can stretch and contract according to conditions.

(B) It is a keratinized stratified epithelium.

(C) It is found on the inner surface of the intestines.

(D) It has a single layer of cuboidal cells.

It can stretch and contract according to conditions.

What is the primary function of transitional epithelium in the urinary bladder?

Show answer options

(A) Water reabsorption

(B) Stretching and contracting

(C) Mucus secretion

(D) Protection against abrasions

Stretching and contracting

What type of biopsy is generally performed when skin cancer is suspected, and a small part of the lesion is cut for analysis?

Show answer options

(A) Excision biopsy

(B) Fine needle aspiration biopsy (FNAB)

(C) Endoscopic biopsy

Excision biopsy

Marcos, a 50-year-old man, visits his doctor complaining of urinary problems. He has noticed blood in his urine and experiences pain when urinating. Additionally, he has inexplicably lost weight over the past few months. During the evaluation, the doctor also observes that Marcos has high blood pressure. Tests reveal the presence of abnormal cells in Marcos's urine, and a biopsy of the urinary tract shows changes in the epithelial cells lining the bladder.

What type of epithelium is commonly found in the urinary bladder?

Show answer options

(A) Simple squamous epithelium

(B) Non-keratinized stratified squamous epithelium

(C) Transitional epithelium

(D) Simple columnar epithelium

Transitional epithelium

Principal cell of connective tissue

Show answer options

(A) Fibroblast

(B) Mesenchymal cell

(C) Cholangiocyte

(D) Fibrocyte

Fibroblast

Simple cuboidal epithelia can be found in the excretory ducts of some glands.

True

False

True

What is the main function of pseudostratified columnar epithelium with ciliated cells in the respiratory tract?

Show answer options

(A) Nutrient absorption

(B) Protection against abrasions

(C) Contraction for movement

(D) Mucus secretion

Mucus secretion

It is responsible for the chemical modification of proteins, classification, and packaging of molecules for secretion or transport to other organelles. Among the diseases associated with this organelle is renal polycystic disease.

Show answer options

(A) Mitochondria

(B) Endosomes

(C) Lysosomes

(D) Golgi apparatus

Golgi apparatus

Epithelia are strongly irrigated by blood capillaries.

True

False

True

Where in the digestive system is simple columnar epithelium with microvilli commonly found?

Show answer options

(A) Small intestine

(B) Large intestine

(C) Stomach

(D) Esophagus

Small intestine

Which of the following cells has phagocytic activity as its main characteristic?

Show answer options

(A) Oligodendrocyte

(B) Satellite cells

(C) Osteoclast

(D) Fibroblast

(E) Osteoblast

Osteoclast

What type of biopsy involves completely removing a suspicious area of tissue?

Show answer options

(A) Fine needle aspiration biopsy (FNAB)

(B) Endoscopic biopsy

(C) Biopsy by freezing

(D) Excision biopsy

Excision biopsy

What is the main function of chondrocytes in cartilage?

Show answer options

(A) Maintaining tissue elasticity

(B) Secreting the extracellular matrix

(C) Contracting tissue in response to stimuli

(D) Producing collagen fibers

Secreting the extracellular matrix

The macrophage of bone tissue is...

Show answer options

(A) Osteoclast

(B) Osteocyte

(C) Osteoblast

(D) Progenitor cell

Osteoclast

Which of the following supporting cells is mainly found in the peripheral nervous system (PNS) and forms the myelin sheath around axons?

Show answer options

(A) Microglia

(B) Schwann cells

(C) Astrocytes

(D) Oligodendrocytes

Schwann cells

What supporting cells are involved in myelin formation in the central nervous system (CNS)?

Show answer options

(A) Microglia

(B) Astrocytes

(C) Oligodendrocytes

(D) Schwann cells

Oligodendrocytes

What type of epithelium is found in renal tubules and is specialized in the reabsorption and secretion of substances?

Show answer options

(A) Simple squamous epithelium

(B) Transitional epithelium

(C) Simple cuboidal epithelium

(D) Simple columnar epithelium

Simple cuboidal epithelium

Where is simple columnar epithelium commonly found in human skin?

Show answer options

(A) Small intestine

(B) Skin

(C) Trachea

Small intestine

In which part of the body is stratified squamous epithelium found?

Show answer options

(A) Colon

(B) Lung alveoli

(C) Skin

(D) Stomach

Skin

Tissue located in large quantities in the neonate, in adults remnants are found in the retroperitoneal space, deep cervical regions, supraclavicular regions, interscapular and paravertebral regions. Its main function is thermogenesis.

Show answer options

(A) Squamous tissue

(B) Multilocular adipose tissue

(C) Transitional tissue

(D) Unilocular adipose tissue

Multilocular adipose tissue

What type of epithelium is found in lung alveoli and allows efficient gas exchange?

Show answer options

(A) Simple cuboidal epithelium

(B) Simple columnar epithelium

(C) Transitional epithelium

(D) Simple squamous epithelium

Simple squamous epithelium

Mesothelium is a type of epithelium.

True

False

True

It is located in the follicles of the thyroid glands, surface of the ovaries, and renal tubules.

Show answer options

(A) Simple columnar epithelium

(B) Simple columnar epithelium with microvilli

(C) Stratified columnar epithelium

(D) Simple cuboidal epithelium

Simple columnar epithelium with microvilli

Epithelium consisting of flat cells that line blood and lymphatic vessels is called:

Show answer options

(A) Mesothelium

(B) Endothelium

(C) Endocardium

Endothelium

They are transient or wandering cells that have migrated to the tissue from the blood in response to specific stimuli, except:

Show answer options

(A) Lymphocytes

(B) Fibroblasts

(C) Eosinophils

Fibroblasts

Which of the following cells is responsible for collagen production in connective tissue?

Show answer options

(A) Osteoblasts

(B) Fibroblasts

(C) Osteoclasts

(D) Adipocytes

Fibroblasts

Epithelial tissue is characterized by:

Show answer options

(A) B and D are correct

(B) The basement membrane, when present, is discontinuous

(C) Review body surfaces

(D) The cells are tightly connected to each other

The basement membrane, when present, is discontinuous & The cells are tightly connected to each other.

What type of supporting cells act as the macrophages of the nervous system, clearing away waste and dead cells?

Show answer options

(A) Astrocyte

(B) Microglia

(C) Satellite cell

(D) Oligodendrocyte

Microglia

Case Study:

Sofia, a 30-year-old woman, consults a dermatologist due to the presence of skin lesions on her hands and forearms. She reports that the lesions are painful and often break, forming ulcers. Additionally, she experiences intense itching in the surrounding skin. Upon examining Sofia, the dermatologist notes the presence of fluid-filled blisters in the affected areas. Skin biopsies reveal changes in the epithelium lining the epidermis.

What type of epithelium do we find in the epidermis?

Show answer options

(A) Stratified squamous keratinized epithelium

(B) Simple squamous epithelium

(C) Stratified squamous non-keratinized epithelium

(D) Simple cuboidal epithelium

Stratified squamous non-keratinized epithelium

It is a dense connective tissue sheath that surrounds all the fascicles that make up the muscle, known in macroscopic anatomy as deep fascia:

Show answer options

(A) Epimysium

(B) Endomysium

(C) Perimysium

Perimysium

Fat tissue cells are called

Show answer options

(A) Osteocyte

(B) Adipocyte

(C) Chondrocyte

(D) Sebocyte

Adipocyte

Loose connective tissue is characteristic of

Show answer options

(A) Hyaline tissue

(B) Proper lamina of adipose tissue

(C) Bone tissue matrix

(D) Proper lamina of digestive tube organs

Proper lamina of adipose tissue

Which of the following epithelia is found in the lining of the respiratory passages and has ciliated cells and goblet cells?

Show answer options

(A) Stratified squamous epithelium

(B) Transitional epithelium

(C) Simple columnar epithelium

(D) Simple cuboidal epithelium

Simple columnar epithelium

Connective tissue:

Show answer options

(A) Is one of the 4 elementary tissues

(B) Its structural unit is the endothelium

(C) It is a vascularized tissue

(D) Its cells are called fibroblasts

Is one of the 4 elementary tissues