Blood pressure in the mammalian aorta is maximum during

• systole of the left atrium

• diastole of the right ventricle

• systole of the left ventricle

• systole of the left ventricle

Which one of the following is correct?

• Plasma = Blood – Lymphocytes

• Serum = Blood + Fibrinogen

• Lymph = Plasma + RBC + WBC

• Lymph = Plasma + RBC + WBC

A man with blood group 'A' marries a woman with blood group 'B'. What are all the possible blood groups of their offsprings?

• A, B and AB only

• A, B, AB and O

• O only

• O only

Arteries are best defined as the vessels which

• Carry blood away from the heart to different organs

• Break up into capillaries which reunite to form a vein

• Carry blood from one visceral organ to another visceral organ

• Carry blood from one visceral organ to another visceral organ

Which one of the following statements is correct regarding blood pressure?

• 100/55 mmHg is considered an ideal blood pressure

• 105/50 mmHg makes one very active

• 190/110 mmHg may harm vital organs like brain and kidney

• 190/110 mmHg may harm vital organs like brain and kidney

'Bundle of His' is a part of which one of the following organs in humans?

• Heart

• Kidney

• Pancreas

• Pancreas

Which one of the following plasma proteins is involved in the coagulation of blood? 

• Serum amylase

• A globulin

• Fibrinogen 

• Fibrinogen 

Given below is the ECG of a normal human. Which one of its components is human, which one of its components is correctly interpreted below?

• complex QRS - One complete pulse

• Peak T - Initiation of total cardiac contraction

• peak P and peak R together - systolic and diastolic blood pressures

• peak P and peak R together - systolic and diastolic blood pressures

ABO blood groups in humans are controlled by the gene I, It has three alleles - I^A, I^B and i. Since there are three different alleles, six different genotypes are possible. How many phenotypes can occur?

• Three

• one 

• Four

• Four

20.

Low Ca²⁺ in the body fluid may be the cause of

• tetany

• anaemia

• angina pectoris

• angina pectoris