Histology cycle test 3, del 1
Histology Cycle Test 3: Part 1
Test your knowledge and understanding of histology with our comprehensive quiz covering various aspects of cellular structures and fun
Key features of the quiz:
- 30 questions on histological topics
- Multiple choice and checkbox formats
- Engaging and educational content
In the large intestine we can identify:
Intestinal glands
Crypts
Parietal cells
Lacteals
Numerous goblet cells
MALT, GALT
Villi
DNES cells (enteroendocrine cells )
Glands of stomach:
Pyloric and cardia glands secrete mucous
Parietal cells are ion-pumping cells
Chief cells contain granules with pepsin
Pharyngeal arches:
Appear in 4th or 5th week of development
Core contain mesenchyme
Pharyngeal arches appear in the 9th week of development
Arch is covered outside: ectoderm inside: endoderm
Contribute to the formation of the nec
The gallbladder:
Doesn’t have a submucosa layer
Release bile into duodenum after a meal
Is lined with simple columnar epithelium
The part located close to the liver does not have a adventitia
The part located close to the liver do not have a serosa
Portal lobule
Drains bile from hepatocytes to the bile duct
Drains blood from the hepatic artery to central vein
Removes deoxygenated blood from the hepatocytes
Supplies oxygenated blood to the hepatocytes
Drains blood from the portal vein to the hepatic artery
Salivary glands:
Minor are covered by connective tissue capsule
Parotid does not contain mucous tubules
Submandibular and sublingual is tubuloacinar
Its plasmocytes produce lgA
Hypophysis
Pituicytes are cells of neurohypophysis
In neurohypophysis are unmyelinated axons
In pars intermedia POMC is produced
Oxytocin is stored in Herrings bodies
Neurohypophysis contains axons of hypothalamic neurons and glial cells
Choose correct pair (gland or part of gland and hormone)
Glucagon – Alpha cells of Langerhans islets
Calcitonin – C cells of thyroid
Adrenalin (epinephrine) – adrenal zona fasciulata
Triiodothyronine – parathyroid gland
Cholesterol – adrenal zona glomerulosa
Glucocorticosteroid – adrenal zona glomerulosa
Glucocorticosteroid – adrenal zona fasciulata
Triiodothyronine – thyroid
Adrenalin (epinephrine) – adrenal medulla
Adrenal glands:
Medulla releases and accumulates catecholamine
Medulla releases and accumulates epinephrine
Medulla releases and accumulates norepinephrine
Find the truth about thyroid:
Releases T3
Releases T4
Has got follicular structure
Colloid is storage for thyroglobulin
C-cells produce calcitonin
Its hormones are stored outside the cells
Synthesis of hormones needs the presence of iodide ions
C cells produce parathormone
C cells of thyroid arise from ultimobranchial body
Thyroglossal duct appears during development of thyroid gland
T3 is the mor abundant compound of the circulating thyroid hormon
T4 is the mor abundant compound of the circulating thyroid hormon
Mark properly matched cell and its function:
Goblet cell – mucous production
Enteroendocrine cells – produce hormones
Enterocyte – production and exocytosis of chylomicrons
Paneth cell – defensins production
Enteroendocrine cell – mucous production
Enterocytes – choose correct:
Their apical cell membrane form brush border
Are the epithelial cells of intestine
Are involved in lipid absorption
Accumulate many small lipid droplets in vesicle of the SER
Which cells of stomach produce gastric lipase?
Which cells of stomach produce gastric lipase?
Teeth:
Dental pulp contains odontoblasts
Dental pulp is highly vascularized
Dental pulp consists of collagen fibrils
Enamel is mostly composed of calcium hydroxyapatite
Dental pulp consists of fibroblasts
The organic matrix of dentin contains only type III collagen
The organic matrix of dentin contains only type I collagen
Mark the true about the mucosa:
Comprises a lamina propria
Is often called the mucous membrane
Contains MALT elements (mucosa-associated-lymphoid-tissue)
Find truth – oral cavity:
Striated muscle in the lips makes these structures highly mobile for ingestion and speech
Mark the correct sentences about von Ebner ̝s glands
Release lingual lipase
Are associated with circumvallate papillae
Serous salivary glands
Are composed of mucous tubules
Are not present in human
Are present in the duodenum
Are present only in the tongue
Find environmental influences, which may cause orofacial clefting:
Maternal hypoxia, as caused by e.g. Maternal smoking
Retinoids – which are member of the vitamin A family
Anticonvulsant drugs
Pesticide exposure
Folic acid(prevents)
Vitamin B12
Pharyngeal clefts:
1st pair of clefts give rise to auditory meatus
2nd, 3rd, 4th clefts lose contact with the outside
Cervical sinus is formed by all clefts
Cervical sinus is created by the 2nd, 3rd and 4th clefts
1st, 2nd, 3rd clefts lose contact with the outside
The 5-week embryo is characterized by the presence of four pairs of clefts
Face development:
Upper lip is formed by 4 prominences
Upper lip is fomed by 2 lateral nasal prominences
Facial prominences appear at the end of the 4th week
Nasal placodes are local thickening of the surface ectoderm on both sides of frontonasal eminences
Nasal placodes is a part of endodermal epithelium
The lower lip and jaw are formed from the mandibular prominences
Nasal placodes is a part of ectoderm
From pharyngeal pouches arise – select correct:
Parathyroid glands
Thyroid gland
Thymus
Middle ear cavity
Eustachian tube
Which structures undergo intense involution (degeneration) during postnatal life?:
Fetal cortex of adrenal glands
Pineal gland
Parathyroid glands – select true:
Inferior parathyroid glands develop from 4rd pharyngeal pouch (10th week)
Inferior parathyroid glands develop from 3rd pharyngeal pouch (4th week)
Inferior parathyroid glands develop from 3rd pharyngeal pouch (5th week)
Superior parathyroid glands develop from 5th pharyngeal pouch
Superior parathyroid glands develop from 4th pharyngeal pouch
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