Polycythemia is a chronic disorder characterized by increased red blood cell mass. The resultant hyperviscosity of the blood predisposes such patients to thrombosis. Answer : (b)

Answer : (d)

Pyrogen is a chemical circulating in the blood that causes a rise in body temperature. A substance, typically produced by a bacterium, which produces fever when introduced or released into the blood. Answer : (b)

High blood pressure (HBP), also called hypertension, Anaemia : a condition in which there is a deficiency of red cells or of haemoglobin in the blood, resulting in pallor and wearinessAtherosclerosis a disease of the arteries characterized by the deposition of fatty material on their inner walls causes high blood pressure Obesity Weight gain was associated with increased risk of developing hypertension. Arteriosclerosis the thickening and hardening of the walls of the arteries, occurring typically in old age. Answer : (a)

Systemic circulation is the part of the cardiovascular system which carries oxygenated blood away from the heart left ventricle to the body, and returns deoxygenated blood back to the heart right ventricle. Answer : (b)

Answer : (c)

Mother blood type	Farther Blood type A	Farther Blood type B	&nbspFarther Blood type AB	Farther Blood type O
A	A or O	A , B, AB or O;	;A, B or AB	A or O
B	A, B, AB or O	B or O	A, B, or AB	B or O
AB	A, B Or AB	A, B Or AB	A, B Or AB	A, Or B;
O	A or O	B or O	A or B	O

Answer : (c)

Myocardial infarction is another name for a heart attack. Answer : (b)

Answer : (d)

Vitamin K is a group of structurally similar, fat-soluble vitamins the human body requires for complete synthesis of certain proteins that are prerequisites for blood coagulation Answer : (a)

In coronary heart disease, or CHD, in which plaque forms within the arteries of the heart. The plaque reduces the oxygen in the blood and causes additional heart problems, such as a heart attack or blood clot Answer : (b)

The A,B,O blood group system is widely credited to have been discovered by the Austrian scientist Karl Landsteiner, who identified the O, A, and B blood types in 1900 Answer : (b)

Glucose-6-phosphate dehydrogenase deficiency, also known as favism, is an X-linked recessive inborn error of metabolism that predisposes to hemolysis. Abnormally low levels of glucose-6-phosphate dehydrogenase, an enzyme involved in the pentose phosphate pathway that is especially important in the red blood cell. Answer : (d)

The right ventricle is the chamber within the heart that is responsible for pumping oxygen-depleted blood to the lungs. Answer : (b)

Answer : (c)

Open circulatory systems pump blood into a hemocoel with the blood diffusing back to the circulatory system between cells. Blood is pumped by a heart into the body cavities, where tissues are surrounded by the blood. in crustaceans, insects, mollusks and other invertebrates Answer : (b)

Monocytes are a type of white blood cell, or leukocyte. They are the largest type of leukocyte and can differentiate into macrophages and myeloid lineage dendritic cells. Answer : (d)

Answer : (c)

Mitochondria convert glucose to ATP Answer : (b)

Group AB contain both A and B antigens is now donor . Is mixed with other blood serum which is acceptor and blood corpuscles agglutinated. Which is either A, B or O Answer : (a, b,d)

Deoxygenated blood enters the right atrium through three major veins: the superior and inferior vena cava and the coronary sinus. Answer : (c)

Answer : (d)

Angina pectoris: is the result of myocardial ischemia caused by an imbalance between myocardial blood supply and oxygen demand. Myocardial ischemia: also called cardiac ischemia, can damage your heart muscle, reducing its ability to pump efficiently. A sudden, severe blockage of a coronary artery can lead to a heart attack. Myocardial infarction :commonly known as a heart attack Answer : (a)

Arthropoda have open circulatory system Answer : (b)

Ventricular diastole is a period of relaxation and repolarization of the ventricular muscle. Muscle is a soft tissue Answer : (a)

SA node produce excitatory impulse for the contraction and relaxation of the heart muscle. Not because SA node is self-excitatory Thus Assertion and Reason both are true but reason is not correct explanation of Assertion Answer : (b)

Mother blood type	Farther Blood type A	Farther Blood type B	&nbspFarther Blood type AB	Farther Blood type O
A	A or O	A , B, AB or O;	;A, B or AB	A or O
B	A, B, AB or O	B or O	A, B, or AB	B or O
AB	A, B Or AB	A, B Or AB	A, B Or AB	A, Or B;
O	A or O	B or O	A or B	O

Answer : (a)

	Red Blood Cells	White Blood Cells
Main Function	Transport of oxygen and carbon dioxide.	Provide protection against foreign organisms and matter
Types	Only one type	Granulocytes, Monocytes and Lymphocytes
Volume	Accounts for about 40-45 percent of blood’s volume	Accounts for about 1 percent of blood’s volume
Colour	Red due to the presence of hemoglobin	They are colorless
Life Span	120 days	Short life span of 5-21 days
Formation	In the embryonic phase, they are formed in the live and spleen. However, after birth, they are formed in red bone marrow	They are formed in red bone marrow, lymph nodes, spleen, etc.
Movement	Primarily between the cardiovascular system	Between the cardiovascular and lymphatic system. Many leukocytes gets matured in the lymph nodes. They escape from the blood vessels and travel towards the site of infection.

Answer : (b)

Ventricular systole is the contraction of the heart ventricles. It begins with the first heart sound (S1). The closure of the AV valves is heard as lub, the first heart sound (S1). The closure of the SL valves is heard as dub, the second heart sound (S2). Answer : (a)

Lymphoid organs: The spleen, lymph nodes, thymus, Peyer patches, and tonsils, where more than 98% of T lymphocytes are found. Answer : (c)