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BCT Lecture Exam 2 (wks4-6)

Total questions: 88

Worksheet time: 1hrs 6mins

Name
Class
Date
1.

What is the embryonic origin of the most connective tissue cells?

a)

Mesenchymal cells

b)

Collagen

c)

Chondroblasts

d)

Osteoblasts

2.

Which of the following statements is true about connective tissue?

a)

Reticular fibers form thick, ropelike structures.

b)

Elastic fibers are sometimes called white fibers.

c)

Collagen fibers provides high tensile strength.

d)

You can find dense irregular connective tissue in a tendon

3.

Blood is considerd a type of connective tissue.

a)

True

b)

False

4.

Which of the following cells release histamine?

a)

Fibroblasts

b)

Plasma cells

c)

Mast cells

d)

Macrophages

5.

What are the three main components of connective tissue?

a)

Alveoli, fibrous capsule, and secretory cells

b)

Collagen, elastin, and reticular fibers

c)

Fibroblasts, chondroblasts, and osteoblasts

d)

Ground substance, fibers, and cells

6.

Which of the following adhesive proteins has binding sites for epithelial cells ?

a)

fibronectin

b)

laminin

c)

heparan

d)

integrin

7.

 Which of the following is not included in the ground substance?

a)

Collagen fibers

b)

GAGs

c)

Proteoglycans

d)

Hyaluronic acid

8.

Ground substance is reservoir of water and nutrients 

a)

True

b)

False

9.

Which of the following cell is responsible for secretion of cartilage matrix ? MACA

a)

Chondroblasts

b)

Osteocytes

c)

Chondrocyte

d)

Osteoblast

e)

Osteoclasts

10.

How is hyaline cartilage different from elastic cartilage or fibrocartilage?

a)

it is more vascularized

b)

Fibers are not normally visible

c)

it contains more nuclei

d)

it allows greater flexibility

11.

Which of the following is not true about characteristic of cartilage?

a)

Type II collagen fibers are found in the matrix of hyaline cartilage

b)

Lacks vascular structures

c)

It does have nervous innervation

d)

Hyaline cartilage is the most dominant type of cartilage found in the body

12.

Chondroblast:

a)

they are located on periphery of cartilage and secret matrix

b)

they remains in compact bone even after the growth plate closes

c)

they are mature cartilage cells located in spaces called lacunae

d)

maintain matrix of mature cartilage

13.

Which of the following is not true about extracellular matrix?

a)

It has compact arrangements of cells

b)

It has fibers

c)

It has proteoglycans

d)

It has polysaccharides

14.

Which of the following extracellular structures contains GAGs?

a)

Fibronectin

b)

Reticular fibers

c)

Elastic fibers

d)

Type 1 collagen fibers

e)

Proteoglycans

15.

Macrophages in the liver are called?

a)

Monocytes

b)

Dendritic cells

c)

Kupffers cells

d)

Langerhans cells

16.

You would expect to find _______ fibers in areas that undergo a lot of stretch and rebound.

a)

Collagen

b)

Muscle

c)

Reticular 

d)

Elastic fibers

17.

Which of the following connective tissue contains calcium salts?

a)

Dense regular connective tissue

b)

Dense irregular connective tissue

c)

Bone

d)

Cartilage

18.

What type of collagen is normally found in the basal lamina?

a)

Type III

b)

Type II

c)

Type IV

d)

Type I

19.

Which of the following fibers gives connective tissue great tensile strength?

a)

Collagen

b)

Reticular fibers

c)

Muscle

d)

Elastic

20.

The reason that intervertebral discs exhibit a large amount of tensile strength, which allows them to absorb shock, is because they possess ________.

a)

Hydroxyapatite crystals

b)

Reticular fibers

c)

Elastic fibers

d)

Collagen fibers

21.

This is the major plasma protein that maintains the blood osmotic pressure:

a)

Fibrin

b)

Albumin

c)

Globulin

d)

Fibrinogen

22.

All of the following are true of neutrophils, except that they are:

a)

the highest numbers of white blood cells

b)

agranular leukocytes 

c)

phagocytic

d)

active in fighting bacterial infections

e)

also known as polymorphonuclear leukocytes

23.

Which one of the following white blood cells is important for defense against parasitic infection?

a)

Eosinophils

b)

Basophils

c)

Monocytes

d)

Neutrophils

24.

Which of the following is NOT regulated by blood?

a)

nutrient level

b)

body temperature

c)

pH level

d)

fluid volume

25.

What is intramembranous ossification?

a)

Formation of bone from preexisting elastic cartilage

b)

The formation of bone from preexisting fibrocartilage models

c)

The formation of bone from preexisting hyaline cartilage model

d)

The formation of bone from mesenchymal connective tissue (fibrous connective tissue membrane)

26.

Which of the following bone cells is responsibe for production of bone?

a)

Osteoblasts

b)

Osteoclasts

c)

Osteocytes

d)

None of the answers is correct.

27.

When calcium blood level goes down which of the following hormone will be released?

a)

Melatonin

b)

Parathyroid

c)

Thyroid

d)

Erythropoetin

28.

All of the following is true of Periosteum Except:

a)

  • It is made of two layers of fibrous and osteogenic

b)

  • Its fibrous layer is made from dense connective tissue

c)

  • Lines the medullary cavity

d)

  • Attached to bone surface by collagen fibers called sharpey fibers

29.

Bone is considered  connective tissue because it contains (MACA):

a)

Ground substance

b)

Cells

c)

Collagen fibers

30.

Which “zone” of endochondral ossification in the growing femur of an adolescent is the closest to that bone’s secondary ossification center?

a)

Ossification zone

b)

Proliferation zone

c)

Resting zone

d)

Hypertrophy zone

31.

White blood cells are found in the serum.

a)

True

b)

False

32.

Which of the following is not a formed elements in blood?

a)

albumin

b)

leukocytes

c)

platelets

d)

erythrocytes

33.

Which of the following is not correct about leukocytes?

a)

they leave blood vessels by diapedesis

b)

they do not have nuclei 

c)

their numbers increase during infection

d)

they are divided into two groups granulocytes and agranulocytes

34.

Which of the following cells are not found in the lacunae?

a)

Osteocytes

b)

Osteoblasts

c)

Chondrocytes

d)

Chondroblasts

35.

Bone is flexibe because it contains:

a)

Collagen fibers

b)

Ground substance

c)

Hydoxypetite

d)

Cells

36.

Process of endochondral ossification starts by formation of?

a)

Medullary cavity formation

b)

Bone collar formation

c)

Periosteal bud invasion

d)

Formation of primary center ossification

37.

Osteoid is made of cells and collagen fibers.

a)

True

b)

False

38.

Formed elements of the blood include:

a)

Fibrinogen

b)

Albumin 

c)

Hormones

d)

Lymphocytes

39.

Serum contains ________.

a)

red blood cells

b)

electrolytes

c)

neutrophils

d)

platelets

40.

Red blood cells are found in:

a)

buffy coat

b)

plasma

c)

serum

d)

hematocrit

41.

Which of the following are granulocytes? MACA

a)

basophils

b)

eosinophils

c)

monocytes

d)

red blood cells

e)

lymphocytes

42.

Majority of the cells of formed elements are white blood cells

a)

True

b)

False

43.

Which of the following white blood cells is considered a type of agranulocytes? MACA

a)

Lymphocytes

b)

Monocytes

c)

Neutrophils

d)

Eosinophils

44.

What type of bone is first to be synthesized during endochondral ossification?

a)

Spongy bone

b)

Trabecular

c)

Compact

d)

Woven

45.

The function of thrombocytes is to:

a)

recognize antigens

b)

promote blood clotting

c)

secrete antibodies

d)

phagocytize microbes

46.

Which of the following is the most numerous agranulocytes?

a)

Lymphocytes

b)

Red blood cells

c)

Neutrophils

d)

Monocytes

e)

Eosinophils

47.

Buffy coat in blood contains all except?

a)

basophils

b)

neutrophils

c)

red blood cells

d)

eosinophils

e)

platelets

48.

Woven bone contains high mineral content and irregular arrangements of collagen fibers.

a)

True

b)

False

49.

Where do you find purkinje cells in the nervous system? MACA

a)

White matter

b)

Cerebellum

c)

Cerebrum

d)

Gray matter

50.

Autonomic nervous system controls:

a)

All of the answers are correct

b)

Heart

c)

Smooth muscle

d)

Gland

51.

Satellite cells in the PNS are functionally similar to:

a)

Microglial cells

b)

Oligodendrocytes

c)

Astrocytes

d)

Ependymal cells

e)

Shwann cells

52.

Which part of a neuron carries impulse away from the cell body?

a)

Cell body

b)

Axon

c)

Dendrite

d)

Dendritic spine

53.

Which of the following are the main receptive regions found in neurons?

a)

Axon terminal

b)

Axon

c)

Ganglia

d)

Dendrite

54.

Which of the following muscle types has the greatest ability to regenerate?

a)

skeletal muscle

b)

smooth muscle

c)

no muscle can regenerate

d)

cardiac muscle

55.

A band of sarcomere contains only thick filament

a)

True

b)

False

56.

although there are no sarcomeres, smooth muscle still posses thick and thin filaments

a)

True

b)

False

57.

Caveolae are structure which are found in cardiac muscle tissue.

a)

True

b)

False

58.

Which of the following muscle types has diads?

a)

skeletal muscle

b)

cardiac muscle

c)

smooth muscle

d)

none of the above 

59.

 Smooth muscle is characterized by all of the following except ________.

a)

there are no sarcomeres

b)

 they contain caveolae

c)

 there are more thick filaments than thin filaments

d)

there are intermediate filaments that attach to dense bodies within the cell

60.

Which of the following structures stores calcium in the muscle?

a)

mitochondria

b)

myofibrils

c)

sarcoplasmic reticulum

d)

intermediate filaments

61.

which of the following is not considered characteristics of smooth muscle tissue?

a)

lining of the blood vessel

b)

multinucleated

c)

uninucleated

d)

involuntary

62.

Neurons undergo mitosis while neuroglial cells are amitotic

a)

True

b)

False

63.

The wrapping of connective tissue around one nerve fascicle is called:

a)

Epineurium

b)

Endoneurium

c)

Perimysium

d)

Perineurium

64.

Lateral horns of the spinal cord in the thoracic region of the spinal cord contain what type of the structures?

a)

Sensory neurons

b)

Sensory neurons to glands

c)

Motor neurons to skeletal muscle

d)

Motor neurons to smooth muscle

65.

Where do you find cell bodies of pseudounipolar sensory neurons in the nervous system?

a)

Eye

b)

Ventral root ganglion

c)

Dorsal root ganglion

d)

Cochlea

66.

Cleft of Schmidit of Lanterman are found only in the CNS.

a)

True

b)

False

67.

The most numerous glial cells in the CNS are:

a)

Ependymal cells

b)

Oligodendrocytes

c)

Schwann cells

d)

Microglial cells

e)

Astrocytes

68.

Which of the following is not true about astrocytes?

a)

They form  scar tissue

b)

They are found in PNS

c)

They are part of the blood brain barrier

d)

Fibrous astrocytes are found in the white matter

69.

Which of the following Muscle types contains satellite cells?

a)

smooth muscle

b)

skeletal muscle

c)

cardiac muscle

d)

none of the above

70.

Which of the following muscle tissues has the least ability to regenerate?

a)

smooth muscle

b)

cardiac muscle

c)

skeletal muscle 

d)

visceral muscle

71.

Which of the following surrounds the individual muscle cell?

a)

perimysium

b)

endomysium

c)

fascicle

d)

epimysium

72.

What is the functional unit of a skeletal muscle called?

a)

a sarcomere

b)

a myofilaments

c)

a myofibril

d)

the sarcoplasmic reticulum

73.

A myofiber is packed with:

a)

muscle cells

b)

myofilaments

c)

muscle fibers

d)

none of the answers are correct

74.

connective tissue covering the entire muscle is

a)

epimysium

b)

perimysium

c)

endomysium

d)

epineurium

75.

Which of the following structure does not belong to the PNS?

a)

Dorsal root ganglion

b)

Ventral median fissure of the spinal cord

c)

Ganglion

d)

Cranial nerves

e)

Spinal nerve

76.

What is the primary difference between the somatic nervous system and the autonomic nervous system?

a)

The autonomic nervous system allows us to consciously control our skeletal muscles, and the somatic nervous system controls activity that humans cannot consciously control, such as the pumping of the heart and the movement of food through the digestive tract.

b)

The somatic nervous system allows us to consciously control our skeletal muscles, and the autonomic nervous system controls activity that humans cannot consciously control, such as the pumping of the heart and smooth muscles

c)

The autonomic nervous system enables us to control our involuntary muscles, while the somatic nervous system controls our glands.

77.

Which of the following types of cells line the ventricles of the brain and spinal cord?

a)

Schwann cells

b)

Astrocytes

c)

Ependymal cells

d)

Oligodendrocytes

78.

Which of the following is considered as specialized connective tissue?

a)

Mucous connective tissue

b)

Dense regular connective tissue

c)

Loose (areolar) connective tissue

d)

Cartilage

79.

Which of the followings is true about cartilage? MACA

a)

It contains many blood vessels

b)

It contains ground substance

c)

Many lymphatics

d)

No nerves

80.

Which of the following is the most abundant type of cartilage in the body?

a)

Hyaline 

b)

Fibrocartilage

c)

Elastic

d)

Different types of cartilage have equal distribution in the body

81.

Which of the following white blood cells has a nucleus with 2-5 lobes?

a)

Monocytes

b)

Platelets

c)

Monocytes

d)

Neutrophils

82.

Which of the following is/are correct about basophils? MACA

a)

They represent 0.5-1% of the white blood cells

b)

They become macrophages in tissues

c)

They represent about 50-70% of the white blood cells

d)

They release histamine

83.

Which of the following lives in lacunae? MACA

a)

Osteoclasts

b)

Fibroblast

c)

Osteoblasts

d)

Osteocytes

84.

Which of the following is considered as fragments of a cell?

a)

Neutrophils

b)

Basophils

c)

Eosinophils

d)

Platelets

85.

What type of neurons are found in the dorsal root ganglion? MACA

a)

Multipolar

b)

Motor

c)

Bipolar

d)

Pseudouniploar

e)

Sensory

86.

Which of the following structures are found in the intercalated discs of the cardiac muscle tissue? MACA

a)

Adherens junction

b)

Desmosomes

c)

Tight junctions

d)

Gap junctions

87.

Cardiac and skeletal muscle cells both are under the control of somatic nervous system.

a)

True

b)

False

88.

Dorsal root ganglion is part of the central nervous system.

a)

True

b)

False

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