1. Immunological function of blood is due to:[MOE 2069]
- Monocyte
- Lymphocytes
- Acidophils
- Neutrophils
(b) Lymphocytes are responsible for the immunological function of blood. 2. Blood constitute how much % of body part?[BPKIHS 2012]
(d) Blood forms about 8% of total body weight. 3. Peptic ulcer is most common to people of blood group[BPKIHS 2012]
(c) Individuals with blood group O are more prone to peptic ulcers. 4. Immunoglobulin which crosses placenta is[BPKIHS 2012]
(a) IgG is the only immunoglobulin that crosses the placenta providing passive immunity to the fetus. 5. Normally cardiac cycle takes………seconds to complete[BPKIHS 2012, 10M]
(d) The duration of one cardiac cycle is about 0.8 seconds. 6. Thickest layer in the heart is[BPKIHS 2012, IOM]
- Epicardium
- Endocardium
- Pericardium
- Myocardium
(d) The myocardium is the thickest layer of the heart as it is composed of cardiac muscle responsible for pumping action. 7. Blood supply to blood vessels is by[IOM]
- Vasa vasorum
- Vasa nervorum
- Blood flowing through the vessels
- Both a and c
(d) Blood vessels receive supply through vasa vasorum and also from the blood flowing within. 8. Chordae tendinae is found in[MOE 2010]
- Auricles of heart
- Ventricles of brain
- Sinus Venous
- Ventricles of heart
(d) Chordae tendinae are fibrous cords found in ventricles of the heart, preventing valve inversion. 9. The two major opening of the left ventricle are
- Pulmonary vein and aorta
- Tricuspid valve and pulmonary artery
- Bicuspid valve and aorta
- Inferior venacava and aorta
(c) The left ventricle opens into the left atrium via the bicuspid (mitral) valve and into the aorta. 10. Which of the following is the correct pathway for propagation of cardiac impulse?[KU 2012]
- SA node-AV node-Bundle of His-Purkinje fibers
- AV node-Bundle of His-SA node-Purkinje fibers
- SA node-Purkinje fibre-AV node-Bundle of His
- Purkinje fibres-AV node-SA node-Bundle of His
(a) The cardiac impulse travels from SA node → AV node → Bundle of His → Purkinje fibres. 11. The pacemaker of heart is:[BPKIHS 2012]
- SA node
- AV node
- Bundle of His
- Purkinje fibre
(a) The SA node initiates the heartbeat and is the natural pacemaker of the heart. 12. Aorta pierces the diaphragm at the level of:[IOM]
(c) The aorta passes through the diaphragm at the level of T12 vertebra. 13. Which of the following vitamins has close relationship with blood?
(d) Vitamin K is essential for blood clotting. 14. Diaphragm is supplied by …….artery.[IE 2013, IOM 1993]
- Coronary
- Phrenic
- Renal
- Vasa vasorum
(b) The diaphragm receives blood supply mainly from the phrenic arteries. 15. The first branch of the human aorta is[IOM 1993]
- Brachiocephalic artery
- Coronary artery
- Left common carotid artery
- Left subclavian artery
(a) The brachiocephalic artery is the first branch of the aortic arch. 16. The innermost layer of the blood vessels is made up of:
- Ciliated epithelium
- Endothelium
- Columnar epithelium
- Squamous (pavement) epithelium
(b) The innermost layer of blood vessels is endothelium (simple squamous epithelium). 17. The longest vein in the human body is:[IOM]
- Inferior venacava
- Subclavian
- Long saphenous
- Jugular
(c) The long saphenous vein is the longest vein in the human body. 18. The instrument used to measure blood pressure is known as:
- Electrocardiograph
- Barometer
- Manometer
- Sphygmomanometer
(d) Blood pressure is measured using a sphygmomanometer. 19. The velocity of flow in blood vessels is determined by:[IOM]
- Caliber of blood vessel
- Viscosity of blood
- Pressure difference between two ends of blood vessels
- All of the above
(d) All these factors affect velocity of blood flow. 20. About…………of the total cardiac output goes to the kidney.
(c) About 25% of cardiac output is directed to the kidneys. 21. Bradycardia (i.e. Heart rate <60/min) occurs in:[IOM]
- Pilots
- Athletes
- Surgeons
- Chess player
(b) Athletes often have bradycardia due to strong cardiac muscle efficiency. - Cardiac care unit
- Coronary care unit
- Cancer care unit
- Cardiological cure unit
(b) CCU stands for Coronary Care Unit. 23. Which of the following procedures is used to assess the human blood vessel?[IOM]
- Angiography
- Tomography
- Venography
- Electromyography
(a) Angiography is the imaging technique used to visualize blood vessels. 24. Blood pressure is higher in:[IOM]
- Infants
- Adolescents
- Adults
- Aged people
(c) Adults have comparatively higher blood pressure than infants and adolescents. 25. Which of the following has single layer of endothelial structure?[IOM]
- Arteries
- Veins
- Capillaries
- Lymphatic vessels
(c) Capillaries are composed of a single layer of endothelial cells. 26. A patient with high fever will most likely demonstrate the sign of:[IOM]
- Increased pulse rate
- Increased appetite
- Decreased sweating
- Increased urinary output
(a) Fever is usually accompanied by an increased pulse rate. 27. Least blood pressure is at:[IOM 1994]
- Vein
- Venacava
- Aorta
- Capillary
(b) Venacava has the least blood pressure among vessels. 28. Venous system of frog differs from that of rabbit in presence of[IOM]
- Hepatic portal system
- Renal portal system
- 3 vena cavae
- Hepatic vein
(b) Frogs possess a renal portal system which is absent in rabbits. 29. The pacemakers of heart of rabbit are made up of:
- Muscle cells
- Nerve cells
- Receptor cells
- Neuromuscular cells
(a) The pacemaker tissue of the rabbit heart is made of specialized muscle cells. 30. Albumin is one of the plasma proteins synthesized in
- Adrenal gland
- Spleen
- Liver
- Pancreas
(c) Albumin is synthesized by the liver. 31. Universal donor blood group of human beings is
- Group 'O'
- Group 'AB'
- Group 'B'
- Group 'A'
(a) People with group O blood are universal donors as they lack A and B antigens. 32. Arteries are:[BPKIHS]
- Thin walled and blood flows under diminished pressure
- Thick walled and blood flows under high pressure
- Thin walled and blood flows under high pressure
- Thick walled and blood flows under diminished pressure
(b) Arteries are thick walled and carry blood under high pressure. 33. The blood in the mammalian heart pumped by the right ventricle pass out of orifice, which is guarded by:[BPKIHS]
- Tricuspid valve
- Bicuspid valve
- Pulmonary valve
- Aortic arch
(c) Right ventricle pumps blood into pulmonary artery through pulmonary valve. 34. Blood clot inside a blood vessel is known as:[BPKIHS]
- Thrombus
- Fibrinolysis
- Thrombosis
- Clot
(a) A thrombus is an intravascular blood clot. 35. Hepatic portal system originates from:[BPKIHS]
- Liver
- Kidney
- Diaphragm
- Different parts of alimentary canal
(d) Hepatic portal system carries blood from the alimentary canal to the liver. 36. A person has blood group A means he/she has:[BPKIHS]
- A antigen in plasma
- B antigen in plasma
- A antigen in RBC
- B antigen in RBC
(c) Blood group A indicates presence of A antigen on RBCs. 37. Blood capillaries are made up of:[IE]
- Endothelium and muscle fibres
- Endothelium and connective tissue
- Endothelium and muscular layer
- Endothelium only
(d) Capillaries are composed of a single layer of endothelium only. 38. Tunica adventitia is a part of[IOM]
- Testes
- Scrotum
- Blood vessels
- Kidney
(c) Tunica adventitia is the outermost layer of blood vessels. 39. The function of spleen in adults is[IOM 1998]
- Secretion of hormones
- Formation of blood
- Development of macrophages
- Phagocytosis of old RBCs
(d) Spleen destroys aged and damaged red blood cells. 40. In an adult human being spleen is necessary for:[IOM 1996, IOM 1997]
- Storage of blood
- Detoxification of drug
- Formation of blood
- Providing immune response
(d) In adults, spleen mainly provides immune response. 41. The full form of MI, an acute and very serious disease is[IOM 2004]
- Myocardial infection
- Myocardial infarction
- Myocardial incoordination
- Myocardial inflammation
(b) MI stands for Myocardial Infarction. 42. Anticoagulant used to store blood in the blood bank[IOM 2002]
- Citrate, phosphate, dextrose and adenine solution
- Dextrose solution
- Normal saline
- Potassium citrate
(a) Blood banks use CPDA (citrate-phosphate-dextrose-adenine) solution as anticoagulant. 43. Blood grouping is important for[IOM 1998]
- Diagnosis of blood disease
- Blood donation
- Blood transfusion
- Detection of AIDS
(c) Blood grouping is crucial for safe blood transfusion. 44. Following substance are the buffering agents of human body except:[IOM 1998]
- Haemoglobin
- Protein
- Carbohydrate
- Phosphate
(c) Carbohydrates are not buffering agents. 45. For blood clotting fibrinogen is changed into fibrin with the help of:[IOM 1998]
- Antithrombin
- Thrombin
- Platelets
- Vitamin K
(b) Thrombin converts fibrinogen into fibrin during clotting. 46. What is the function of blood platelets?[MOE 2057]
- Carry haemoglobin
- Aid in coagulation of blood
- Ingest bacteria
- Transport CO2
(b) Platelets help in blood coagulation. 47. Blood is red in colour due to presence of[MOE 2056]
- Erythrocytes
- Thrombocytes
- Hemoglobin
- Leukocytes
(c) Hemoglobin gives blood its red color. 48. The rate of heart beat in a new born baby is about[IOM 1992]
- 60/min
- 70/min
- 120/min
- 160/min
(d) Newborns have a heart rate around 160 beats per minute. 49. Extracellular fluid is rich in the following except[IOM 1996]
(d) Potassium is higher inside cells, not in extracellular fluid. 50. Bleeding can be due to all of the following causes except[IOM 1997]
- Decrease in calcium
- Thrombocytopenia
- Deficiency of coagulation factor
- Deficiency of white blood cells
(d) Bleeding is not caused by lack of WBCs. 51. Hemostasis means[IOM 2002]
- Coughing out of blood
- Resistance of blood flow
- Coagulation of blood
- Internal regulatory mechanism
(c) Hemostasis refers to the process of stopping bleeding. 52. Carbonic Anhydrase is active in:[BPKIHS 2013]
- RBC
- WBC
- Blood plasma
- Platelets
(a) Carbonic anhydrase enzyme is present in RBCs. 53. Insufficient supply of blood to organ is:[BPKIHS 2013]
- Ischemia
- Necrosis
- Euphoria
- Apoptosis
(a) Ischemia means insufficient blood supply to tissue or organ. 54. During ventricular systole:[BPKIHS 2013]
- De-oxygenated blood goes to lungs through pulmonary artery
- Oxygenated blood goes to lungs through pulmonary vein
- Both a and b
- Both blood mix up
(a) During ventricular systole, deoxygenated blood is pumped to lungs via pulmonary artery. 55. In man, the valve present in between right auricle and right ventricle is:[BPKIHS 2014]
- Bicuspid valve
- Tricuspid valve
- Semilunar valve
- Eustachian valve
(b) Right atrium and ventricle are separated by tricuspid valve. 56. Antigen is present in:[BPKIHS 2014]
- Blood plasma
- Cell surface
- Cytoplasm
- Outside nucleus
(b) Antigens are present on cell surface. 57. Which artery supplies blood to head?[MOE 2014]
- Carotid
- Coronary
- Subclavian
- Phrenic
(a) Carotid arteries supply blood to the head. 58. Find the correct match among the following pair of words.[MOE 2014]
- Amylase and protein
- Cerebrum and body orientation
- Pacemaker and heart beating
- Seminiferous and uriniferous tubules
(c) The pacemaker controls heart beating. 59. The heart sound 'dup' produced when:[KU 2015]
- Tricuspid valve opens
- Semilunar closes
- Mitral valve closes
- Mitral valve opens
(b) The 'dup' sound is produced by closure of semilunar valves. 60. Carbonic anhydrase is present in:[IOM 2014]
- WBC
- Plasma
- Erythrocytes
- Platelets
(c) Carbonic anhydrase enzyme is present in erythrocytes. 61. Ligamentum arteriosum connects[IOM 2014]
- Left ventricle and right auricle
- Pulmonary trunk and aortic arch
- SA node and AV node
- Aorta and pulmonary vein
(b) Ligamentum arteriosum connects pulmonary trunk with aortic arch. 62. Antibodies are principally produced by[IOM 2013]
- Spleen
- Lymphoid tissue
- Liver
- Bone Marrow
(b) Antibodies are mainly produced by lymphoid tissues (B lymphocytes). 63. The right auricular-ventricular aperture in rabbit is guarded by[IOM 2013]
- Tricuspid valve
- Spiral valve
- Bicuspid valve
- Semilunar valve
(b) In rabbit, right auriculoventricular aperture is guarded by spiral valve. 64. Lymphatic fluid in the body is[IOM 2015]
- Blood minus cells
- Blood minus RBC
- Blood minus WBC
- Plasma minus protein
(b) Lymph is essentially blood plasma minus RBCs. 65. Which organ is considered as the blood bank of the body?[IOM 2015]
(b) Spleen is called the blood bank of the body. 66. The total duration of cardiac cycle is[IOM 2015]
(d) One complete cardiac cycle lasts about 0.8 seconds. 67. Which of the following is the correct pathway for propagation of cardiac impulse?[KU 2012]
- SA node-AV node-Bundle of His-Purkinje fibre
- AV node-Bundle of His-SA node-Purkinje fibre
- SA node-Purkinje fibre-AV node-Bundle of His
- Purkinje fibres-AV node-SA node-Bundle of His
(a) Impulse conduction in heart: SA node → AV node → Bundle of His → Purkinje fibres. 68. Total no. of oxygen molecules that can bind to a single haemoglobin molecule under normal partial pressure:[KU 2012]
(d) Each hemoglobin molecule binds 4 oxygen molecules. 69. What does pulse measure?[KU 2012]
- Magnitude of heart beat
- Force of heart beat
- Rhythm of heart beat
- No. of heart beat
(d) Pulse measures the number of heart beats per minute. 