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Basic Medical Histology (GMS6630) Unit 2 - Multiple Choice Practice Questions Fully Solved $12.99   Add to cart

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Basic Medical Histology (GMS6630) Unit 2 - Multiple Choice Practice Questions Fully Solved

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  • Histology
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In which of the following regions do processes of osteocytes contact and form gap junctions with each other? - Correct Answer Canaliculus Macrophages are cells that endocytose lipids are derived from lymphocytes are derived from monocytes synthesize and release interferon-y (IFN-y) phagocy...

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  • August 11, 2024
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  • 2024/2025
  • Exam (elaborations)
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  • Histology
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Basic Medical Histology (GMS6630)
Unit 2 - Multiple Choice Practice
Questions Fully Solved
In which of the following regions do processes of osteocytes contact and form gap junctions with each
other? - Correct Answer Canaliculus



Macrophages are cells that

endocytose lipids

are derived from lymphocytes

are derived from monocytes

synthesize and release interferon-y (IFN-y)

phagocytose dust cells - Correct Answer Are derived from monocytes



The extrafusal fibers of a muscle spindle receive their nerve supply from which of the following - Correct
Answer Motor neurons



Each myosin II molecule of the heavy chain can be divided into smaller constituents, one of which binds
ATP. Which is that constituents?

a. Light meromyosin

b. S1 subfragment

c. S2 subfragment

d. Papain

e. Trypsin - Correct Answer S1 sub fragment



A 43-year-old patient who had an infection with Campylobacter jejuni 2 weeks earlier presents with
lower back pain that progressed to muscle weakness and lack of sensation, first in the lower then in the
upper extremities what should be physician suspect?

Huntington chorea

Parkinson disease

,multiple sclerosis

spinal muscular atrophy

Guillain-Barré syndrome - Correct Answer Guillain-Barré syndrome



A patient presents with muscular rigidity, constant tremor, saw movement (bradykinesia), difficult
voluntary movements, and rigid, mask like features. Which neurotransmitter is lacking in this patient's
brain? - Correct Answer Dopamine (Parkinson's disease)



Which of the following is true of elastic cartilage?

Is the primary skeletal tissue in the fetus

Has no identifiable perichondrium

Is found in the annulus fibrosus of intervertebral disks

Is the most widely distributed cartilage type in the body

The collagen in its matrix is mainly type II - Correct Answer The collagen in its matrix is mainly type II



Which of the following is true of fibrocartilage?

Contains large numbers of elastic fibers

Is found in the epiphyses of the long bones in young children

Is structurally intermediate between dense connective tissue and cartilage

The collagen in its matrix is mainly type II

Is the predominant cartilage of the external ear (auricle) - Correct Answer It is structurally intermediate
between dense connective tissue and cartilage.



Which of the following is true endosteum?

Is composed of two layers: osteogenic and fibrous

Is continuous with joint capsule

Is attached to the surface of bone by Sharpey's fibers

Lines the marrow cavity

Contains mature osteocytes - Correct Answer Lines the marrow cavity.

, Which of the following is true of Haversian canals, but false regarding Volkmann's canals?

Are surrounded by concentric bony lamellae

Carry nerve vessels

Are found in compact bone

May be found in the diaphyses of adult long bones

Are lined by periosteum - Correct Answer Are surrounded by concentric bony lamellae.



Which of the following cell types is capable of uncoupling oxidative phosphorylation and producing
heat?

Chondrocytes

Fibroblasts

Mesenchymal Cells

Multilocular adipocytes

Unilocular adipocytes - Correct Answer Multilocular adipocytes.



Which of the following is the predominant protein in the fibers of bone matrix?

Type-I collagen

Type-II collagen

Type-IV collagen

Type-V collagen - Correct Answer Type I collagen



Which of the following statements is correct concerning elastic cartilage?

is a vascular connective tissue

has no perichondrium

increases its size by appositional growth

has matrix vesicles in its matrix

has type III collagen in its matrix - Correct Answer Increases its size by appositional growth



The enzyme carbonic anhydrase is present in which of the following cells?

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