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Histo 100 > Histo10o > Flashcards

Histo10o Flashcards

1
Q
  1. What is another term for the cell body of a neuron
A

Perikaryon / soma

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2
Q
  1. Which of the following is composed of smooth muscle
A

Walls of the visceral organs

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3
Q
  1. Which fiber type has more myoglobin
A

Red fibers

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4
Q
  1. What is line that bisects the dark band in muscle
A

H Band

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5
Q
  1. What is the outer connective tissue covering of a muscle
A

Epimysium

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6
Q
  1. What is myosin
A

Myofilament
(a fibrous protein which forms (together with actin) the contractile filaments of muscle cells and is also involved in motion in other types of cell.)

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7
Q
  1. Which of the following is composed of skeletal muscle
A

Tongue

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8
Q
  1. What type of muscle is always multinucleated
A

Skeletal muscles

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9
Q
  1. What is another term for muscle cells
A

Muscle fibers / myocytes

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10
Q
  1. Which of the following contains a substantial amount of smooth muscle
A

Blood vessels

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11
Q
  1. Which one of the following is a correct statement concerning Haversian systems (osteons)?
A

Develop around a blood vessel

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12
Q
  1. The formation of bone in the absence of a pre-existing cartilage framework is called
A

Intramembranous

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13
Q
  1. Demineralized bone consists chiefly of
A

Collagen

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14
Q
  1. In a slide showing spongy bone formed solely by intramembranous ossification, all of the following features may be found upon microscopic examination EXCEPT
A

Calcified cartilage

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15
Q
  1. The oldest lamella of a Haversian system (osteon) is
A

the most peripheral lamella

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16
Q
  1. Long bone grows in length as a result of
A

Endochondral Ossification

Bone grows in length in a region called the epiphyseal plate

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17
Q
  1. The largest cell typically present in bone marrow is the
A

Megakaryocytes

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18
Q
  1. Osteoclasts arise from
A

Monocytes

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19
Q
  1. Osteocytes arise most directly from
A

Osteoblasts

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20
Q
  1. The periodontal ligament is composed chiefly of
A

Collagen fibers

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21
Q
  1. All of the following are associated with cartilage tissue except
A

Lamellae

22
Q
  1. Chondrocytes receive their nutrition via
A

Diffusion through matrix

23
Q
  1. The most common cell in connective tissue proper is the:
A

Fibroblast

24
Q
  1. The presence of which one of the following characteristics is of least value in distinguishing bone from hyaline cartilage?
A

Lacunae

25
Q
  1. The basal body of a cilium has a tubular filament arrangement which is identical to the pattern found in
A

Centrioles

26
Q
  1. The most prominent component of a skeletal muscle cell is
A

Myofilaments

27
Q
  1. Caveolae in smooth muscle cells are thought to be analogous to://
A

T-Tubules

28
Q
  1. The thick filaments of skeletal muscle fibers://
A

Are present in the A band

29
Q
  1. The contractile element (component) of skeletal muscle is in the:/
A

Myofibrils

30
Q
  1. Most of the nuclei seen in a cross section of a peripheral nerve belong to://
A

Schwann cells

31
Q
  1. The cells that are responsible for forming myelin in the central nervous system are the://
A

Oligodendroglia

32
Q
  1. A myelinated nerve has how many Schwann cells between two adjacent nodes of Ranvier?://
A

One

33
Q
  1. The connective tissue investment seen with the light microscope around an individual muscle fiber of skeletal muscle is://
A

Endomysium

34
Q
  1. This cell is associated with osteoid secretion://
A

Osteoblast

35
Q
  1. This cell is responsible for the majority of bone resoprtion/remodeling:/
A

Osteoclast

36
Q
  1. Type of connective tissue cell which contains properties of smooth muscle cells://
A

Myofibroblasts

36
Q
  1. Type of connective tissue cell which contains properties of smooth muscle cells://
A

Myofibroblasts

37
Q
  1. Macrophage of connective tissue://
A

Histiocyte

38
Q
  1. The smooth muscle is found in://
A

Smooth muscle fibers are located in walls of hollow visceral organs, except the heart,
(intestines, stomach)

39
Q
  1. Fiber type which makes up fast-twitch muscle://
A

White fibers

40
Q
  1. Fiber type which has more myoglobin://
A

. Red fibers

41
Q
  1. Line that divides the dark band in the muscles://
A

H Band

42
Q
  1. Region which of thin filaments://
A

I Band

43
Q
  1. The thin filaments is://
A

Myofilaments (actin)

44
Q
  1. Fiber type which is small in diameter://
A

Red fibers

45
Q
  1. The dark band in muscle is://
A

A Band

46
Q
  1. Regeneration of skeletal muscle tissue is dependent on://
A

Regeneration mainly depends upon satellite cells, myogenic progenitors localized between the basal lamina and the muscle fiber membrane.

47
Q
  1. The structural element of the smooth muscle tissue is://
A

Short, spindle-shaped, no evident striation, single nucleus in each fiber. they produce their own connective tissue, endomysium.

48
Q
  1. The structural element of the cardiac muscle tissue is://
A

Cardiac muscle is striated muscle that is present only in the heart. Cardiac muscle fibers have a single nucleus, are branched, and joined to one another by intercalated discs that contain gap junctions for depolarization between cells and desmosomes to hold the fibers together when the heart contracts

49
Q
  1. The glial cell that helps to form the blood-brain barrier is://
A

Microglia

50
Q
  1. The glial cells lining the brain ventricles and the spinal canal are://
A

Ependymal cells

Histo 100 (2 decks)

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