Histology Written

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Cartes-fiches	48
Langue	English
Catégorie	Médecine
Niveau	Université
Crée / Actualisé	23.01.2018 / 04.02.2021
Lien de web	https://card2brain.ch/box/20180123_histology_written
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Which statement about lymph node is NOT true:

the germinal centers contains B cells and are found in the superficial cortex

T-cells are found in the paracortex

lymph enters the subcapsular sinus via afferent lymphatics

plasma cells are mainly concentrated in the medullary sinuses

cortex is consist of epitheliocytes

the germinal centers contains B cells and are found in the superficial cortex

T-cells are found in the paracortex

lymph enters the subcapsular sinus via afferent lymphatics

plasma cells are mainly concentrated in the medullary sinuses

cortex is consist of epitheliocytes

All the statements about B-lymphocytes are true EXCEPT:

turn into plasma cells and secrete immunoglobulin

are derived from cell which originate in the bone marrow

are the main cell type in the paracortex of lymph nodes

have receptors for antigen on their surface

take part in humoral response

turn into plasma cells and secrete immunoglobulin

are derived from cell which originate in the bone marrow

are the main cell type in the paracortex of lymph nodes

have receptors for antigen on their surface

take part in humoral response

The thymus produces a hormone that stimulates the maturation of lymphocytes in other lymphatic organs:

oxytocin

thymosine

calcitonine

estrogen

thymocysteine

oxytocin

thymosine

calcitonine

estrogen

thymocysteine

The parietal (oxyntic) cells of the stomach:

activate enzyme pepsinogen

secrete gastrin and bombesin

are enzyme producing cells

secrete Vitamine B12 intristic factor and hydrochloric acid

contain granules with pepsinogen

activate enzyme pepsinogen

secrete gastrin and bombesin

are enzyme producing cells

secrete Vitamine B12 intristic factor and hydrochloric acid

contain granules with pepsinogen

Why do the striated duct cells look striated?

the basal poles of the cells have microvilli lined with RER

the basal poles of the cells have microvilli lined with mitochondria

the apical poles of the cells have microvilli lined with RER

the apical poles of the cells have microvilli lined with mitochondria

none of these

the basal poles of the cells have microvilli lined with RER

the basal poles of the cells have microvilli lined with mitochondria

the apical poles of the cells have microvilli lined with RER

the apical poles of the cells have microvilli lined with mitochondria

none of these

Which statement about the esophagus is true?

is a cartilaginous tube

contains striatified squamous epithelium for protection

lies anterior to the trachea

sphincter is always closed

secretes digestive enzymes

is a cartilaginous tube

contains striatified squamous epithelium for protection

lies anterior to the trachea

sphincter is always closed

secretes digestive enzymes

Which statement concerning salivary glands is true:

the parotid is mixed

the submandibular is composed of serous acini only

mucous cells form demilunes

the parotid is composed of mucous secreting cells

the submandibular is mixed

the parotid is mixed

the submandibular is composed of serous acini only

mucous cells form demilunes

the parotid is composed of mucous secreting cells

the submandibular is mixed

Which of the following are NOT salivary glands?

parotid

submandibular

submucosal

sublingual

minor salivary glands

parotid

submandibular

submucosal

sublingual

minor salivary glands

Hepatic cords are platelike groups of:

hepatocytes

sinusoids

canaliculli

veins

lobules

hepatocytes

sinusoids

canaliculli

veins

lobules

Portal triads, at the corners of liver lobules, contain the hepatic:

artery, hepatic sinusoids, and central vein.

artery, hepatic portal vein, and hepatic bile duct

sinusoids, hepatic vein, and hepatic artery

portal vein, hepatic sinusoids, and hepatic duct

vein, central vein, and hepatic sinusoids.

artery, hepatic sinusoids, and central vein.

artery, hepatic portal vein, and hepatic bile duct

sinusoids, hepatic vein, and hepatic artery

portal vein, hepatic sinusoids, and hepatic duct

vein, central vein, and hepatic sinusoids.

Which of the following structures are NOT matched with the correct description?

cardiac region -- the area closest to the small intestine

fundus -- the most superior portion of the stomach

pyloric opening -- opening from the stomach into the small intestine

body--the largest portion of the stomach

muscular tunic--three layers of muscle tissue

cardiac region -- the area closest to the small intestine

fundus -- the most superior portion of the stomach

pyloric opening -- opening from the stomach into the small intestine

body--the largest portion of the stomach

muscular tunic--three layers of muscle tissue

the pancreas

has an endocrine portion consisting of acini

has an exocrine portion consisting of pancreatic islets

has the pancreatic duct, which carries digestive enzymes from the pancreas

has the pancreatic duct, which empties into the jejunum

both A and B

has an endocrine portion consisting of acini

has an exocrine portion consisting of pancreatic islets

has the pancreatic duct, which carries digestive enzymes from the pancreas

has the pancreatic duct, which empties into the jejunum

both A and B

Bile is produced in the liver by:

the gall bladder

hepatocytes

hepatic sinusoids

the portal triad

the bile canaliculi

the gall bladder

hepatocytes

hepatic sinusoids

the portal triad

the bile canaliculi

Ciliary body

is part of the uvea

anchors the lens

secrets the aqueous

absorbs the reflected light

all above

is part of the uvea

anchors the lens

secrets the aqueous

absorbs the reflected light

all above

The receptors for sound reception and equilibrium are located in the

middle an inner ear

outer ear

inner ear cavity

middle ear cavity

outer, middle and inner cavities

middle an inner ear

outer ear

inner ear cavity

middle ear cavity

outer, middle and inner cavities

Which of the following is true of synaptic vesicles?

Are found in terminal boutons

Are found in the synaptic cleft

Contain lysosomal enzymes

Are found in dendrites near the postsynaptic membrane

Bud directly from the RER

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Are found in terminal boutons

Are found in the synaptic cleft

Contain lysosomal enzymes

Are found in dendrites near the postsynaptic membrane

Bud directly from the RER

The two major types of cells composing neural tissue are:

Astrocytes and microglia

Neurons and neroglia

Somas and axons

satellite cells and schwann cells

NEurolemmocytes and neroglia

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Astrocytes and microglia

Neurons and neroglia

Somas and axons

satellite cells and schwann cells

NEurolemmocytes and neroglia

Which of the following is NOT a component of a neuron or an organelle within a neuron?

dendrite

lysosomes

neurolemmocyte

Axon

astrocytes

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dendrite

lysosomes

neurolemmocyte

Axon

astrocytes

The cells that form myelin in the PNS are called:

Neurolemmocytes

Schwann cells

Astrocytes

Oligodendrocytes

Microglia

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Neurolemmocytes

Schwann cells

Astrocytes

Oligodendrocytes

Microglia

Which of these statements is NOT true regarding bone?

Osteoblast produce bone matrix

Osteocytes are osteoblast that have become surrounded by matrix

Osteoclast break down bone

Osteocytes are connected to each other by Volkmann’s canals (Canaliculi)

Osteocytes are found in lacunae

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Osteoblast produce bone matrix

Osteocytes are osteoblast that have become surrounded by matrix

Osteoclast break down bone

Osteocytes are connected to each other by Volkmann’s canals (Canaliculi)

Osteocytes are found in lacunae

Which of the following is used in growth in length of a long bone?

Endochondral ossification (at the epiphyseal plate)

Intramembranous ossification

Extrachondral ossification

All of the above

None of the above

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Endochondral ossification (at the epiphyseal plate)

Intramembranous ossification

Extrachondral ossification

All of the above

None of the above

Which distinguishes cartilage from most other connective tissues?

Extracellular matrix contains collagen

Predominant cell type is a mesenchymal derivative

Predominant cell type secretes both fibre and ground substance

It lacks blood vessels (avascular)

It functions in mechanical support

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= avant/arrière,

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Extracellular matrix contains collagen

Predominant cell type is a mesenchymal derivative

Predominant cell type secretes both fibre and ground substance

It lacks blood vessels (avascular)

It functions in mechanical support

Which type of collagen is primarily found I bone?

Collagen type I

Collagen type II

Collagen type III

Collagen type IV

Collagen type V

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Collagen type I

Collagen type II

Collagen type III

Collagen type IV

Collagen type V

Which of the following cell junctions form a continuous band of actin filaments anchoring in the cell membrane around the cell?

Adherens junction

Tight junction

Gap junction

Desmosome

None of the above

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Adherens junction

Tight junction

Gap junction

Desmosome

None of the above

Which of the following is a function of the basement membrane?

Molecular filtering

Contractility

Excibility

Modification of secret protein

active secreting

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Molecular filtering

Contractility

Excibility

Modification of secret protein

active secreting

Which of the following is used in the naming of epithelial types?

Shape if cells in the basal lamina

Number of layers of epithelial cells

Presence of a basal lamina

Shape of nuclei

Presence of cytokeratin

Shape if cells in the basal lamina

Number of layers of epithelial cells

Presence of a basal lamina

Shape of nuclei

Presence of cytokeratin

Which tissue type lines most of the urinary passages and bladder?

Nonkeartinized stratified squamous epithelium

Pseudostratified columnar epithelium

Single columnar epithelium

Stratified squamous epithelium

Transitional epithelium

Nonkeartinized stratified squamous epithelium

Pseudostratified columnar epithelium

Single columnar epithelium

Stratified squamous epithelium

Transitional epithelium

In sarcomere of skeletal muscle which of the following would show only thick filaments?

Z line

I line

A band

B band

H band

Z line

I line

A band

B band

H band

Which type of muscle is found in the wall of the artery?

Skeletal muscle

Cardiac muscle

Smooth muscle

Both skeletal and smooth muscle

Both cardiac and smooth muscle

Skeletal muscle

Cardiac muscle

Smooth muscle

Both skeletal and smooth muscle

Both cardiac and smooth muscle

Which of the following structure surrounds a muscle fascicle?

Endomysium

Epimysium

Exomysium

Perimysium

Sacroplasmic reticulum

Endomysium

Epimysium

Exomysium

Perimysium

Sacroplasmic reticulum

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