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Practice each question, then open the answer or worked solution.
Name the blood component which is viscous and straw-coloured fluid.Solution:
The blood component which is viscous and straw-coloured fluid is Plasma which makes up 55 % of the blood.
Solution coming soon.
Complete the missing word in the statement given below:
a. Plasma without _________ factors is called serum.
b. ___________ and monocytes are phagocytic cells.
c. Eosinophils are associated with _____ reactions.
d. _______ ions play a significant role in clotting.
e. One can determine the heartbeat rate by counting the number of _________ in an ECG.
a. Plasma without blood clotting factors is called serum.
b. Neutrophils and monocytes are phagocytic cells.
c. Eosinophils are associated with allergic reactions.
d. Calcium ions play a significant role in clotting.
e. One can determine the heartbeat rate by counting the number of ORS complex in an ECG.
Given below is the diagrammatic representation of a standard ECG. Label its different peaks.
Name the vascular connection that exists between the digestive tract and liver.
The vascular connection that exists between the digestive tract and liver is known as Hepatic Portal System.
Given below are the abnormal conditions related to blood circulation. Name the disorders.
a. Acute chest pain due to failure of O2 supply to heart muscles
b. Increased systolic pressure
a. The disorder caused due to acute chest pain due to failure of O2 supply to heart muscles is known as angina pectoris.
b. Increased systolic pressure causes hypertension.
Which coronary artery disease is caused due to narrowing of the lumen of arteries?
Atherosclerosis is the coronary artery disease is caused due to narrowing of the lumen of arteries.
Define the following terms and give their location?
a. Purkinje fibre
b. Bundle of His
a. Purkinje fibre: It is present in the Myocardium of the ventricle and is formed by the branching of the right and left bundle. It carries impulses from S.A node
b. Bundle of His: These are fibres which originate from the AV node present in the wall of the right atrium.
State the functions of the following in blood
a. Fibrinogen
b. Globulin
c. Neutrophils
d. Lymphocytes
a. Fibrinogen is involved in the clotting of blood.
b. Globulin functions in the immune responses.
c. Neutrophils are phagocytic and these are the first cell which reaches the site and engulf the microbes when an infection occurs
d. Lymphocytes are involved in the immune response in the blood.
What physiological circumstances lead to erythroblastosis foetal?
Erythroblastosis foetalis occurs due to Rh incompatibility between the mother and the foetus during pregnancy which may lead to the death of the foetus or severe Anaemia.
Explain the consequences of a situation in which blood does not coagulate.
If blood clotting does not take place excessive bleeding would take place which might lead to death.