Clotting of Blood

Q. Thromboplastin converts prothrombin in the plasma to thrombin. Which of the following aids this process?

1. Calcium ions
2. Magnesium
3. Vitamin K
4. Iron

Q.

Angiotensinogen is a protein produced and secreted by:

1. Juxtaglomerular (JG) cells.

2. Macula dense cells

3. Endothelial cells.

4. Liver cells.

Q.

Which is the plasma protein that forms the blood clot by forming fibrous network and seals the blood vessel?

1. Thromboplastin

2. Fibrin

3. Prothrombin

4. Thrombin

Q.

Find the odd one out and give scientific reasons.

1. tendon

2. platelets

3. ligament

4. bone

Q.

List the clotting factors.

Q.

Which of the following statements is/are true about the process of wound healing?

1. Healing of the wound is a process that occurs after inflammation and blood clotting.

2. When new tissues cannot be formed, a scar is formed.

3. Connective tissue heals the wound when new tissues cannot be formed.

1. 2 & 3

2. 1, 2 & 3

3. 2 only

4. 1 & 2

Q. What happens if VITAMIN K is absent in our food we eat?

Q.

Protein present in blood, which in the presence of active thrombin gets converted into thin thread like structures that form a mesh.

1. Fibrin

2. Fibrinogen

3. Prothrombin

4. Thromboplastin

Q.

Thromboplastin converts prothrombin in the plasma to thrombin. Which of the following aids this process?

1. Calcium ions

2. Magnesium

3. Iron

4. Vitamin K

Q. Complete the flowchart showing how blood clots.

A Thromboplastin Thrombin Vit K, \( Ca ^{2+} \) B C Blood clot

1. A – Prothrombin; B – Fibrinogen; C - Fibrin
2. A – Prothrombin; B – Fibrin; C - Fibrinogen

Q. Which of the following are known as the warriors of the human body?

1. RBC
2. WBC
3. Plasma
4. Platelets

Q. When you get hurt the area around the wound begins to turn red.
When you blush the skin turns pinkish
Why will this happen?

Q.

Which of these statements are true when considering the formation of a scar?

1. A scar is always formed when a wound closes.

2. Scars are formed due to the malfunctioning of WBCs.

3. When connective tissues heal the wound, the scar remains.

4. Scars are formed due to low platelet count when healing.

Q.

Platelets help in clotting of blood.

1. True

2. False

Q.

Which of the following are not involved in blood clotting?

1. Thromboplastin

2. Platelets

3. Keratin

4. Fibrin

Q. Which of these vitamins are needed for the clotting of blood?

1. Vitamin K

2. Vitamin D

3. Vitamin C

4. Vitamin A

Q.

Can vitamins cause intestinal problems?

Q.

1. what is the expansion of RuDP?Can anyone give me more details about it?

2.What do you mean by dorsal aorta?

3.Can anyone give me the correct order of the laws of inheritence?

Q. Platelets help in clotting of blood.

1. True
2. False

Q. Thromboplastin converts prothrombin in the plasma to thrombin. Which of the following aids this process?

1. Calcium ions
2. Magnesium
3. Vitamin K
4. Iron