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NEET - Biology Body Fluids and Circulation Practice Q & A

17073.Atherosclerosis refers to ailment of
Kidney
Heart
Lungs
Liver
17074.The most popularly known blood grouping is the ABO grouping. It is named ABO and not ABC because "O" in it refers to having
No antigens A and B on RBCs
Other antigens besides A and B on RBCs
Overdominance of this type on the genes for A and B types
One antibody only–either anti–A or anti–B on the RBCs
17075.Which one of the following statements is correct regarding blood pressure?
190/110 mm Hg may harm vital organs like brain and kidney
130/90 mm Hg is considered high and requires treatment
100/55 mm Hg is considered an ideal blood pressure
105/50 mm Hg makes one very active
17076.Adrenaline directly affects
Oxyntic cells of stomach
Sinoatrial node
Islet of Langerhans
Dorsal root ganglia of spinal cord
17077.All arteries carry oxygenated blood, except
Pulmonary artery
Renal artery
Hepatic artery
Cardiac artery
17078.An adult human has systolic and diastolic pressures as:
80 mm Hg and 120 mm Hg
120 mm Hg and 80 mm Hg
50 mm Hg and 80 mm Hg
80 mm Hg and 80 mm Hg
17079.In a standard ECG which one of the following alphabets is the correct representation of the respectively activity of the human heart?
P-depolarisation of atria
R-repolarisation of ventricles
S-start of systole
T-end of diastole
17080.

Assertion: Smaller the organism higher is the rate of metabolism per gram weight.

Reason: The heart rate of a six month old baby is much higher than that of an old person.

Both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
Both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion.
Assertion is true statement but Reason is false.
Both Assertion and Reason are false statements.
17081.Systematic circulation of oxygenated blood starts from
Right atrium
Left atrium
Left ventricle
Right ventricle
17082.In sun our face becomes reddish due to
Breakup of RBC and release of haemoglobin
Expansion of blood capillaries
Effect of light
Irritation of skin
17083.Anticoagulant of fresh water leech is
Sodium citrate
Heparin
Hirudin
Chelating agent
17084.In a typical heart, if EDV is 120 ml of blood and ESV is 50 ml of blood, the stroke volume (SV) is
120 – 50 = 70 ml
120 + 50 = 170 ml
120 x 50 = 6000 ml
120 ÷ 50 = 2.4 ml
17085.Arteries are best defined as the vessels which
Carry blood from one visceral organ to another visceral organ
Supply oxygenated blood to the different organs
Carry blood away from the heart to different organs
Break up into capillaries which reunite to form a vein
17086.Artificial pace maker is transplanted in
Inter auricular septum
Below the collar bone
Inter ventricular septum
Right auricle
17087.Average cardiac output is
5.3 litre/minute
6.3 litre/minute
7.3 litre/minute
4 litre/minute
17088.Auricular systole in cardiac cycle lasts for about
0.4 sec
0.1 sec
0.8 sec
0.7 sec
17089.Blood pressure increases and heart rate decreases in response to
Exposure to high altitude
Exercise
Hemorrhage
Increased intracranial pressure
17090.A large proportion of oxygen is left unused in the human blood even after its uptake by the body tissues. This O2
Helps in releasing more O2 to the epithelium tissues
Acts as a reserve during muscular exercise
Raises the pCO2 of blood to 75 mm of Hg
Is enough to keep oxyhaemoglobin saturation at 96%
17091.Blood pressure of a healthy person is
140 / 60
120 / 80
80 / 120
90 / 60
17092.Both erythrocytes and leucocytes are formed in
Lymph nodes
Bone marrow
Thymus
Arterial walls
17093.Brain completely depends on blood from the supply of
Oxygen and glucose
Oxygen and ATP
Oxygen and electrolytes
Glucose and ATP
17094.Artery is a vessel that carries blood
towards the heart
away from heart
away from tissues
towards the liver
17095. Bundle of His is a part of which one of the following organs in humans?
Pancreas
Brain
Heart
Kidney
17096.Cardiac output is defined as the amount of blood
Pumped by both ventricles per second
Received in heart per minute
Pumped by each ventricle per minute
Pumped by left atrium per minute
17097.Christmas disease is also known as
Haemophilia B
AIDS
Haemophilia A
Haemolytic jaundice
17098.Major part of the plasma consists of
Organic substances
Inorganic substances
Blood cells
Water
17099.Compared to blood our lymph has
More RBCs and less WBCs
No plasma
Plasma without proteins
More WBCs and no RBCs
17100.Blood pressure is lowest
After muscular exercise
During ventricular diastole
After 60 years of age
During ventricular systole
17101.Diastole occurs due to
Nerve impulse from vagus
Elastic recoil of arteries
Relaxation of heart muscles
All of them
17102.During diastole
Blood leaves ventricle
Blood leaves heart
Blood enters in heart
Blood enters lungs
17103.During storage of blood anticoagulant added to it may be
Sodium oxalate
Sodium chloride
Potassium chloride
Thromboplastin
17104.Serum is
Blood without corpuscles and fibrinogen
Lymph without corpuscles
Blood without fibrinogen
Lymph
17105.Fresh frozen plasma (FFP) does not contain
Factor VII
Platelets
Frozen protoplasm
Gamma globulins
17106.Globulins contained in human blood plasma are primarily involved in
Clotting of blood
Defence mechanisms of body
Osmotic balance of body fluids
Oxygen transport in the blood
17107.Graveyard in RBCs is
Liver
Spleen
Kidney
Lymph glands
17108.A young man of 25 years has his blood pressure
130/90 mm Hg
120/80 mm Hg
120/90 mm Hg
130/80 mm Hg
17109.Haemoglobin oxygen dissociation curve is
Straight line
Constant
Sigmoid
Parabolic
17110.Blood vessel carrying least CO2 is
Pulmonary vein
Pulmonary artery
Vena cava
Hepatic vein
17111.Largest amount of urea is normally carried by
Hepatic portal vein
Renal artery
Hepatic artery
Hepatic vein
17112.The kind of epithelium which forms the inner walls of blood vessels is
Squamous epithelium
Cuboidal epithelium
Columnar epithelium
Ciliated columnar epithelium
17113.The blood calcium level is lowered by the deficiency of:
Calcitonin
Parathormone
Thyroxine
Both Calcitonin and Parathormone
17114.Heparin is
Anti-allergic
Blood diluter
Anticoagulant
Antiseptic
17115.Which chamber of the human heart has the thickest muscular wall?
Right ventricle
Left auricle
Left ventricle
Right auricle
17116.Murmur is a disorder of
SA node
AV node
Heart valves
Pulmonary vein
17117.Heart of cockroach has
14 chambers
13 chambers
4 chambers
3 chambers
17118.Open blood vascular system is seen in
Earthworm
Sepia
Man
Cockroach
17119.What is true?
All arteries carry oxygenated blood
All veins carry oxygenated blood
All veins carry oxygenated blood except one
All arteries carry oxygenated blood except one
17120.Heparin is produced by
Liver cells
Plasma cells
Blood cells
Spleen cells
17121.Hepatic portal system connects
Liver to digestive system
Kidney to liver
Digestive system to liver
Liver to kidneys
17122.Abnormal fall in total count of WBCs in the human blood is called
Anaemia
Polycythemia
Leucopenia
leukaemia
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