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Part II - Histology

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Praxis Flashcards: Histology Quiz on Part II - Histology, created by ACAPUN INSTITUTE on 19/03/2021.
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Quiz by ACAPUN INSTITUTE, updated more than 1 year ago
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Created by ACAPUN INSTITUTE over 3 years ago
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Question 1

Question
Which of the following is NOT a type of inflammatory exudate?
Answer
  • Fibrinous
  • Fibrous
  • Porulent
  • Serous
  • Suppurative

Question 2

Question
The pathological process sometimes called "lumpy jaw" refers to
Answer
  • Actinomycosis
  • Ludwig´s angina
  • Marfan´s syndrome
  • Polycystic fibrosis
  • Sialadenitis

Question 3

Question
What type of the epithelium provides the lining of the urethra and much of the urinary tract?
Answer
  • Simple columnar (including pseudostratified columnar)
  • Simple squamous
  • Stratified columnar
  • Stratified squamous
  • Transitional epithelium

Question 4

Question
What type of epithelium lines most of the gastrointestinal tract?
Answer
  • Simple columnar (including pseudostratified columnar)
  • Simple squamous
  • Stratified columnar
  • Stratified squamous
  • Transitional epithelium

Question 5

Question
It is possible to histologically differentiate the stomach and the duodenum due to the presence of
Answer
  • Mucosal glands in the stomach only
  • Musculares mucosa in the stomach only
  • Simple columnar epithelium lining the stomach only
  • Smooth muscle in the external musculature of the duodenum only
  • Submucosal glands in the duodenum only

Question 6

Question
The presence of atretic follicles is an indication of the which of the following structures?
Answer
  • Integument of scalp
  • Lymph gland
  • Ovary
  • Pituitary
  • Thyroid

Question 7

Question
Which type of cartilage is most common?
Answer
  • Cricocartilage
  • Dynocartilage
  • Elastic
  • Fibrocartilage
  • Hyaline

Question 8

Question
Which of the following statements about actin and myosin is true?
Answer
  • Actin and myosin are roughly the same size
  • Actin is thicker than myosin
  • Actin is thinner than myosin

Question 9

Question
Types I, II and III collagen are distinguished on the basis of
Answer
  • All of the choices are correct
  • None of the choices are correct
  • Function
  • Optical properties
  • Structure

Question 10

Question
Which of the followings is a component of thick filaments in muscles?
Answer
  • Actin
  • Heavy meromyosin
  • Tropomyosin
  • Troponin

Question 11

Question
The osteoclasts of bone resorption are usually
Answer
  • Anuclear
  • Mononuclear
  • Multinuclear
  • Polymorphonuclear

Question 12

Question
Where are submucosal glands usually located?
Answer
  • Appendix
  • Colon
  • Duodenum
  • Fundus of stomach
  • Jejunum

Question 13

Question
Which of the following proteins is LEAST likely to be found in fully developed fibrous connective tissue?
Answer
  • Collagen
  • Elastin
  • Fibronectin
  • Osteonectin
  • Vimentin

Question 14

Question
Which of the following are components of thin filaments in muscles?
Answer
  • Osteonectin
  • Elastin filaments
  • Tropomyosin
  • Heavy meromyosin
  • Light meromyosin

Question 15

Question
What type of epithelium lines alveoli, glomeruli and capillaries?
Answer
  • Simple columnar (including pseudostratified columnar)
  • Simple squamous
  • Stratified columnar
  • Stratified squamous
  • Transitional epithelium

Question 16

Question
What are fascicles?
Answer
  • A specific bundle of nervous tissue
  • Bundles of skeletal muscles
  • Collecting ducts
  • Groups of dead cells near the skin
  • Groups of fat cells around the gut

Question 17

Question
The main function of type I collagen is to
Answer
  • Provide anchoring fibrils to underlying connective tissue
  • Provide resistance to intermittent pressure
  • Provide resistance to tension
  • Provide structural maintenance and elasticity

Question 18

Question
Which of the following is NOT a component of the muscle thin filament (actin)?
Answer
  • Alpha-actinin
  • Nebulin
  • Titin (connectin)
  • Tropomyosin
  • Troponin

Question 19

Question
What is the perimysium?
Answer
  • A connective tissue layer that wraps around the subunits of skeletal muscles
  • A layer of connective tissue wrapping the heart
  • The connective sheath wrapping under mucous membranes
  • The sheath wrapping around the lungs

Question 20

Question
The junction between the tooth surface and the crevicular epithelium is composed of
Answer
  • Basal lamina-like structure
  • Cementoid
  • Intermediate filaments
  • Interstitial crevicular fluid
  • Tight junctions

Question 21

Question
Which type of epithelium is well adapted for secretory or absorptive functiions?
Answer
  • Pseudostratified columnar
  • Simple columnar
  • Simple squamous
  • Stratified cuboidal
  • Stratified squamous

Question 22

Question
The connective tissue layer surrounding skeletal muscle fascicle is the
Answer
  • Endomysium
  • Epimysium
  • Perimysium
  • Superficial mysium

Question 23

Question
Which connective tissue layers contain vessels and nerves?
Answer
  • Endomysium
  • Blood
  • Squamous stratified

Question 24

Question
Cardiomyocytes are linked by intercalated discs containing adhering junctions EXCEPT for which of the following?
Answer
  • Fascia adherens
  • Gap junctions
  • Macula adherens (desmosomes)
  • Tight junctions

Question 25

Question
When an ovum fully matures, it is expelled from the
Answer
  • Graafian follicles
  • Corpus albicans
  • Corpus hemorrhagicum
  • Corpus luteum

Question 26

Question
A lymph node with groups of very active germinal centers is most likely indicative of which of the following?
Answer
  • Adolescence
  • Germinal center degeneration
  • Imminent degeneration of the lymph node
  • Nodular involution
  • Presence of an infection

Question 27

Question
Which of the following proteins is LEAST likely to be found in fully developed mineralized hard tissue?
Answer
  • Bone morphogenic protein (BMP)
  • Endothelin
  • Osteonectin
  • Osteopontin
  • Tuftelin

Question 28

Question
Which of the following is not found in smooth muscle?
Answer
  • Actin
  • Myosin
  • Tropomyosin
  • Troponin

Question 29

Question
Type III collagen is found throughout the body organized in
Answer
  • Bundles
  • Fibers
  • alfa-helix

Question 30

Question
Which type of necrosis is most likely to be in the center of a malignant mass?
Answer
  • Caseous necrosis
  • Coagulative necrosis
  • Enzymatic fat necrosis
  • Liquefactive necrosis

Question 31

Question
Collagen is initially synthesized within the cell as
Answer
  • Meshwork collagen
  • Oxytalan
  • Procollagen
  • Tropocollagen

Question 32

Question
Which germs layer eventually becomes the skin?
Answer
  • Ectoderm
  • Endoderm
  • Epithelium
  • Mesoderm

Question 33

Question
Which of the following promotes degradation of the extracellular matrix?
Answer
  • Chymotrypsin
  • Collagenase
  • Cortisone
  • Hyaluronidase

Question 34

Question
Which of the following streptococcal virulence factors works as a superantigen, mediating a host of cytofine-induced effects that can lead to life-threatening disease?
Answer
  • Hyaluronidase
  • Pyrogenic exotoxin
  • Streptokinase
  • Streptolysin O

Question 35

Question
Which structure fits the following description? Surrounded partly by connective tissue and epithelium, it contains lymphoid follicles, has no sinuses and is penetrated by a number of crypts.
Answer
  • Bursa of fabricius
  • Lymph node
  • Palatine tonsil
  • Spleen
  • Thymus

Question 36

Question
What are the three typer of cartilage?
Answer
  • Cricocartilage
  • Dynocartilage
  • Standard cartilage
  • Fibrocartilage

Question 37

Question
Which of the following conditions does NOT involve changes in the number of cells in an organ or tissue?
Answer
  • Aplasia
  • Hyperplasia
  • Hypoplasia
  • Metaplasia

Question 38

Question
The internal lining of the majority of the tubular gastrointestinal tract is composed of which epithelial type?
Answer
  • Simple columnar
  • Simple cuboidal
  • Simple squamous
  • Stratified cuboidal
  • Stratified aquamous

Question 39

Question
Which of the following is NOT found in the epidermis?
Answer
  • Capillaries
  • Desmosomes
  • Free nerve endings
  • Keratohyalin
  • Mitotic cells

Question 40

Question
Which of the followings is NOT a component of granulation tissue?
Answer
  • Capillary buds
  • Endothelial cells
  • Fibroblasts
  • Newly formed collagen
  • Plasma cells
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