Tissues Test

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Tissues Test - 46

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Weekly Quiz Competition

Question 1
1 / -0

Haversian canal contains:

A
Blood vessels and nerves

B
Blood vessels only

C
Lymphatic vessels only

D
Connective tissues only

Solution

The Haversian canal contains blood vessels and nerves. Haversian canals are a series of tubes around narrow channels that are formed by the lamellae in the bones.
So, the correct option is A.
Question 2
1 / -0

Major inorganic component of bone is:

A
Calcium phosphate

B
Calcium carbonate

C
Sodium hydroxide

D
Potassium hydroxide

Solution

Major inorganic component of bone is calcium phosphate. Bone is embedded in matrix which is mostly made up of inorganic salts of calcium and phosphorous.
Hence, the correct option is 'A'.
Question 3
1 / -0

Volkmann canal interconnects

A
Bone marrow

B
3$$^{rd}$$ and 4$$^{th}$$ ventricle of brain

C
Central canals and 4$$^{th}$$ ventricle

D
Haversian canals

Solution

Volkmann canal interconnects Haversian canals. Volkmann canals are also known as perforating holes .Volkmann canals are inside osteons. The Haversian canals, interconnect the latter with each other and the periosteum. They usually run at obtuse angles to the Haversian canals and contain anastomosing vessels between Haversian capillaries.
Hence the correct option is D.
Question 4
1 / -0

During injury mast cell secrete

A
Histamine

B
Hirudin

C
Heparin

D
Serotonin

Solution

Histamine is released by the mast cells during injury or wounds which causes the surrounding blood vessels to dilate and increase in permeability. This allows fluid and cells of the immune system, such as leukocytes and blood plasma proteins, to leak from the bloodstream through the vessel walls and migrate to the site of tissue injury or infection, where they begin to fight the infection and nourish and heal the injured tissues. Hence, options A is correct.
Question 5
1 / -0

Spleen and thymus are hematopoietic for:

A
RBC

B
WBC

C
Platelets

D
All of the above

Solution

The spleen and thymus are lymphoid organs of the body. The lymphoid system of the body is a part of the circulatory system and immune system and it is involved in the production of cells and also in the destruction of cells
In the spleen and thymus, 20-30% of WBCs are formed while RBCs and platelets are formed in the bone marrow.
Hence, the correct option is B.
Question 6
1 / -0

Which of the following has least consistency in shape?

A
RBCs

B
WBCs

C
Mast cells

D
Bone cells

Solution

WBCs act as phagocytes. It stretches itself around a foreign body (bacteria) and engulfs it. This process protects our body from harmful foreign particles. To assist this process, a WBC has an amoeboid shape. Hence, they have the least consistency in shape. Hence, the correct answer is B.
Question 7
1 / -0

Mast cell secrete

A
Anticoagulant : Heparin

B
Vasodilator : Histamine

C
Vaso constrictor : Serotonin

D
All of the above

Solution

A mast cell has an important role in allergy and anaphylaxis. It plays an important protective role in wound healing and defence against pathogens. It is derived from the myeloid stem cell. It is a part of the immune system, that contains many granules rich in histamine and heparin. So, the correct answer is option D.
Question 8
1 / -0

Nucleus of granular WBC is mainly

A
Spindle

B
Round

C
Oval

D
Lobed

Solution

Granular WBCs are polymorphonuclear cells and have a multilobed nucleus with the lobes joined by nuclear threads. Eosinophils have a bilobed nucleus while basophils are characterized by the presence of a U-shaped or lobed nucleus. The correct answer is D.
Question 9
1 / -0

Mast cells are found in:

A
Connective tissue

B
Epithelial tissue

C
Skeletal tissue

D
Nervous tissue

Solution

Mast cells are found in connective tissue like in areolar tissue.
So, the correct answer is option A.
Question 10
1 / -0

The ends of two long bones are connected by:

A
Cartilage

B
Muscles

C
Ligaments

D
Tendons
Solution
- The ends of two long bones are connected by ligaments.
- A ligament is a fibrous connective tissue, that connects bones to other bones.
- Cartilage is a non-vascular type of supporting connective tissue that is found throughout the body, while tendons connect bones and muscles.
So, the correct answer is option C.

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Re-Attempt Weekly Quiz Competition

Tissues Test - 46

Result

Tissues Test - 46

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SHARING IS CARING

Question 1

Blood vessels and nerves

Blood vessels only

Lymphatic vessels only

Connective tissues only

Solution

Question 2

Calcium phosphate

Calcium carbonate

Sodium hydroxide

Potassium hydroxide

Solution

Question 3

Bone marrow

3$$^{rd}$$ and 4$$^{th}$$ ventricle of brain

Central canals and 4$$^{th}$$ ventricle

Haversian canals

Solution

Question 4

Histamine

Hirudin

Heparin

Serotonin

Solution

Question 5

RBC

WBC

Platelets

All of the above

Solution

Question 6

RBCs

WBCs

Mast cells

Bone cells

Solution

Question 7

Anticoagulant : Heparin

Vasodilator : Histamine

Vaso constrictor : Serotonin

All of the above

Solution

Question 8

Spindle

Round

Oval

Lobed

Solution

Question 9

Connective tissue

Epithelial tissue

Skeletal tissue

Nervous tissue

Solution

Question 10

Cartilage

Muscles

Ligaments

Tendons

Solution

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