Body Fluids and Circulation - Online Test
Q1. Which of the following blood components play a major role in blood coagulation ?
Answer : Option A
Explaination / Solution:
Platelets also called thrombocytes are cell fragments produced from megakaryocytes. Platelets can release a variety of substances most of which are involved in the coagulation or clotting of blood.
Q2. The pre-hypertension blood pressure value is a measurement between :
Answer : Option A
Explaination / Solution:
Hypertension or high blood pressure is the condition where blood pressure increases substantially. The pre-hypertension blood pressure value is between 120/80 and 139/89.
Q3. Where (a) is a neutrophil, identify the other four WBCs?
Answer : Option C
Explaination / Solution:
There are two main categories of WBCs – granulocytes and agranulocytes. Neutrophils, eosinophils and basophils are different types of granulocytes, while lymphocytes and monocytes are the agranulocytes.
Q4. Rh incompatibility develops when :
Answer : Option C
Explaination / Solution:
A special case of Rh incompatibility (mismatching) has been observed between the Rh-ve blood of a pregnant mother with Rh+ve blood of the foetus.
Q5. The middle man of our body is :
Answer : Option B
Explaination / Solution:
Lymph is the extracellular fluid that contains WBC’s and plasma. Lymph flows in lymphatic system and finally drains into veins. Lymph is called as the middle man of our body.
Q6. Correct order for increasing number of corpuscles in our blood is :
Answer : Option C
Explaination / Solution:
WBCs are relatively lesser in number which averages 6000-8000 mm–3 of blood. A healthy adult man has, on an average, 5 millions to 5.5 millions of RBCs mm–3 of blood.. Blood normally contains 1,500,00-3,500,00 platelets mm–3.
Q7. Among mammals, nucleus is absent in :
Answer : Option B
Explaination / Solution:
The absence of a nucleus is an adaptation of the red blood cell for its role. It allows the red blood cell to contain more hemoglobin and, therefore, carry more oxygen molecules.Platelets are devoid of nucleus in most of the mammals.
Q8. Blood plasma proteins :
i. decrease in their level causes excessive absorption of water from tissues into blood.
ii. they maintain osmotic pressure.
i. decrease in their level causes excessive absorption of water from tissues into blood.
ii. they maintain osmotic pressure.
Answer : Option B
Explaination / Solution:
Fibrinogen, globulins and albumins are the major proteins. The albumins help in osmotic balance.
Q9. Manoj has AB blood group, so he will have the following antibodies in his blood plasma :
Answer : Option D
Explaination / Solution:
AB blood group does not have any antibodies in plasma. That's why AB blood group is universal recipient.
Q10. Lymph will transport :
Answer : Option C
Explaination / Solution:
Fats are absorbed through lymph in the lacteals present in the intestinal villi.
