Histology MCQs/Mock Credit Test B

Leonid Pasternak (1862-1945): Night Before Exam

Mock credit test. Only one answer is correct, minimal score is 18 points.

1 Which technique is the best for proof of elastic fibers?

	silver impregnation
	Masson's trichrome
	orcein
	AZAN

2 Which structure is staining by dyes of Sudan line/family/group?

	mucopolysaccarides
	neutral lipids
	glycogen
	DNA

3 Microtubules:

	are composed of tubuline pentamers
	are composed of actin pentamers
	are composed of tubuline dimers
	are composed of actin dimers

4 Dyneins:

	are stabilizing proteins associated with intermediate filaments
	are motor proteins associated with intermediate filaments
	are stabilizing proteins associated with microtubules
	are motor proteins associated with microtubules

5 Mitochondria:

	contain circular DNA without genetic information
	contain linear DNA without genetic information
	contain circular DNA with genetic information
	contain linear DNA with genetic information

6 Kinocilia:

	their main cytoskeleton is of microtubules
	their motor protein is a kinesin
	are immotile (=no main movement)
	are on basal pole of the cell

7 Serous cells

	their nucleus is condensed
	takes place in the pancreas only
	are a kind of fibroblasts
	produce enzymes

8 Basal labyrinth:

	takes place in neighborhood of the terminal web
	is the same structure as the basal striation
	contains cisterns of Golgi apparatus
	is strongly basophilic

9 Brush border:

	is common structure in stratified squamous epithelium
	main function is transportation of layer of mucus
	contains numerous mitochondria
	is composed of microvilli

10 Basal membrane contains:

	type I collagen
	type II collagen
	type II collagen
	type IV collagen

11 Which of following cell adhesion does not take place in the intercalated disc?

	zonula occludens
	fascia adherens
	gap junction
	desmosome

12 Histiocytes:

	are tissue macrophages
	are stem cells
	produce histamine
	produce heparin

13 Hyaline cartilage:

	does not contain type II collagen
	has no fibrilary component of ECM
	has no vessles (=is avascular)
	has no perichondrium

14 Elastic fibers:

	are composed of elastin and type III collagen
	are composed of elastin and type II collagen
	are composed of elastin and fibrillin
	are composed of elastin only

15 Destruction of bones:

	precursors of bone-destroying cells are produced in the bone marrow
	main bone-destroying cells are activated osteocytes
	does not start before the bird
	is pathological in adult body

16 Osteoid:

	is ECM of actually destroyed bone in which was dissolved an inorganic part
	is a cartilagineous model of the bone during chondrogenic ossification
	is ECM of newly produced bone without an indorganic part
	is other name for the primary bone

17 Brown adipose tissue:

	adipocytes has short life-span
	is mainly storage of energy
	adipocytes are multilocular
	is avascular

18 Proteoglycans

	are supramolecular aggregates composed mainly of hyaluronic acid
	are composed of a core protein and glycosaminoglycans
	are composed of a core protein and oligosaccharides
	are composed of a core protein and polysaccharides

19 Reticular connective tissue:

	does not take place inside the lymph node
	special staining is Feulgen's stain
	reticular fibers are PAS positive
	takes place inside the thymus

20 Where takes place dense regular connective tissue?

	wall of the intestine
	wall of the stomach
	under epidermis
	in tendon

21 Which part of troponine binds calcium?

	TnC
	TnI
	TnT
	none of them

22 Sarcomere:

	is part of myofibril between two A bands
	is part of myofibril between two M bands
	is part of myofibril between two T tubules
	is part of myofibril between two Z lineages

23 Neurons:

	the most common type of neuron in a bipolar neuron
	multipolar neurons have no more than one dendrite
	neurons have no more than one axon
	mitoses are common among neurons

24 Schwann cells:

	produce myelin in CNS and PNS
	produce myelin in CNS only
	produce myelin in PNS only
	have nothing to do with myelin

25 Azurophilic granules:

	are inside granulocytes only
	are inside platelets only
	are mitochondria
	are lysosomes

26 Neutrophils:

	according to number of segments are classified to Arrneth's classes
	are uncommon in the peripheral blood
	have no phagocytic ability
	produce antibodies

27 Hepatolienal period of hematopoiesis:

	starts inside liver after 6th week
	normoblasts contain hemoglobin HbA
	only red blood cells are produced
	continues to the aduldhood

28 Orthochromatophilic erythroblast

	has diameter 8 - 10 μm
	undergoes mitoses
	has no nucleus
	is basophilic

29 Which type of epithelium is on the schema?

	pseudostratified columnar epithelium
	stratified columnar epithelium
	simple columnar epithelium
	urothelium

30 Which tissue is on the picture?

	dense irregular connective tissue
	dense regular connective tissue
	skeletal muscle
	cardiac muscle

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