Chap13 Circulatory System

1.	Chap No.12 Circulatory System
2.	Human heart is surrounded by a tough membrane known as: (a) Miringes                 (b) Peritoneum (c) Pericardium                        (d) Mesentery	C
3.	There are two types of circulatory fluids the blood and: (a) Coelomic                (b) Lymph (c) Water                      (d) Water and Coelomic	B
4.	Human ventricle is equipped with an outlet value known as: (a) Mitral Valve           (b) Tricuspid valve (c) Bicuspid Valve       (d) Semilunar valve	D
5.	The right atrium open into the right ventricle by an opening known as: (a) Mitral Valve           (b) Tricuspid Valve (c) Semilunar Valve     (d) Guard Valve	B
6.	Contraction of heart chambers is called: (a) Beating                   (b) Dialysis (c) Diastole                  (d) Systole	D
7.	Relaxation of heart chambers is called: (a) Systole                    (b) Diastole (c) Dialysis                  (d) Beat	B
8.	Heart wall is made up of: (a) Smooth Muscles     (b) Skeletal Muscles (C) Voluntary Muscles             (d) Cardiac Muscles	D
9.	The blood vessels which carry blood away from the heart are known as: (a) Arteries                   (b) Veins (c) Lymphatic              (d) Capillaries	A
10.	The average diameter of a human blood capillary is about: (a) 0.2 mm                   (b) 0.2 micron (c) 0.2 milli micron      (d) 7 milli micron	D
11.	Arteries have thick muscular walls which are made up of: (a) One layer                (b) Two layers (c) Three layers            (d) Four layers	C
12.	Which of the following is true about mammals? (a) They have right aortic arch only (b) They have left aortic arch only (c) They have left and right aortic arches (d) They lack aortic arches	B
13.	Cardiac muscles can be distinguished from other muscle fibres because cardiac muscles: (a) Contain only actin (b) Voluntary in action (c) Lacks regular arrangement of sarcomeres (d) Have intercalated discs	D
14.	Lymph closely resembles (a) Blood                                 (b) Plasma (c) Interstitial fluid                   (d) Urine	C
15.	Which of the following statements is correct about the heart? (a) The right ventricle pumps blood to the aorta (b) The left ventricle pumps blood to the entire  body (c) The right atrium receives oxygenated blood from the lungs (d) The right ventricle has the thickest wall of all the chambers-	c
16.	All of the following statements are correct about human red blood cells except: (a) They do not have a nucleus (b) They live for 120 days (c) They are called leukocytes (d) They are formed in the bone marrow	C
17.	All of the following correct about human circulation except: (a) Arteries have thick muscular walls (b) Haemoglobin carries oxygen (c) Pacemaker of the heart is the SA node (d) The only artery carrying deoxygenated blood is the aorta	D
18.	All of the following are related to blood clotting except: (a) Fibrinogen              (b) Thromboplastin (c) Erythrocytes                       (d) Thrombocytes	C
19.	Cardiac cycle completes in: (a) 8 sec                       (b) 0.8 sec (C) 80 sec                    (d) 01 sec	B
20.	In electrocardiogram (ECG), P wave represents: (a) Atrial Systole          (b) Ventricular Systole (c) Atrial Diastole        (d) Ventricular Diastole	A
21.	The diameter of a capillary is: (a) 1 inch                     (b) 3 mm (c) 7.5 m                      (d) 10 mm	C
22.	Total volume of blood in human body is: (a) 8 Litres                   (b) 5 Litres (C) 50 Litres                (d) 45 Litres	B
23.	Sphygmomanometer is used to measure: (a) Blood Volume        (b) Temperature (c) Blood Plasma (d) Electrical Activity of Heart	D
24.	The term embolus was coined in 1848 by (a) William Harvey      (b) Carl Virchow (c) Morgan                   (d) Sutton	B
25.	The condition in which the wall of artery thickens due to the deposition of fatty material is called: (a) Arteriosclerosis (b) Atherosclerosis (c) Myocardial infarction (d) Edema	b
26.	In some babies, right ventricle or left ventricle fails to develop. This defect is known as: (a) Cyanosis (b) Ventricular hypertrophy (c) Bundle branch block (d) Hypoplasia	D
27.	If no medical cause is found to explain the raised blood pressure, it is: (a) Secondary Hypertension (b) Essential or Primary Hypertension (c) Both of these (d) None of these	B
28.	Main cause of angina pectoris is: (a) Hypertension          (b) Hypotension (c) Atherosclerosis of the cardiac arteries (d) Stroke	C
29.	The first coronary artery bypass surgery was performed on May 2, 1960 in: (a) USA                       (b) UK (C) Germany                (d) Japan	A
30.	A liquid be, used in angiography to make the arteries easily visible, includes: (a) Iodine                     (b) Barium (c) Gadolinium                        d ) All of these	D
31.	The technique of mechanically widening a narrowed or obstructed blood vessel is called: (a) Angiography           (b) Angioplasty (c) Coronary Bypass    (d) Open heart surgery	B
32.	The first successful intracardiac correction of a congenital heart defect was performed by: (a) Dr. C.W. Lillehei    (b) Dr. FJ Lewis (c) Both of these          (d) Cuvier	C
33.	Circulation of lymph in lymphatic vessel is brought about by: (a) Activity of skeletal muscles (b) Breathing movements (c) Movements of the viscera (d) All of these	D
34.	Largest lymph vessel is: (a) Thoracic Duct (b) Right Lymphatic Duct (c) Both of these (d) None of these	C
35.	Histamine is produced by: (a) Lymphocytes          (b) Neutrophils (c) Basophils                (d) Monocytes	A
36.	The process by which the lymphatic system carries cancerous cells between various parts of the body is called: (a) Phagocytosis           (b) Metastasis (C) Metagenesis           (d) Lipolysis	B
37.	Which of the following is a lymphatic organ? (a) Stomach                 (b) Kidney (c) Spleen                    (d) Heart	C
38.	Thalassemia is also called: (a) Oedema                  (b) Leucaemia (c) Haemophilia           (d) Cooley's Anemia	D
39.	How many RBCs are present per cubic millimeter of human blood? (a) 2 Million                 (b) 5 Million (c) 8 Million                 (d) 10 Million	d
40.	Blood platelets are also called: (a) Erythrocytes           (b) Leucocytes (c) Thrombocytes        (d) Lymphocytes	C
41.	Baroreceptors are located in: (a) Blood Vessels         (b) Brain Region (c) Skin                                    (d) Heart	A
42.	Pulse is defined as: (a) An alternate expansion and recoil of an artery (b) Ventricular systole during which blood is passed into ventricles of heart (c) Closure of semilunar valves at the entrance of aorta (d) Over expansion of pericardium	a
43.	White blood cells accumulate at the site of wound by: (a) Homeostasis           (b) Diapedesis (c) Pinnocytosis           (d) Damaged Capillaries	D
44.	Which of the following animals has the largest RBCs among all vertebrates? (a) Elephant                 (b) Ostrich (c) Snake                     (d) Salamander	B
45.	The most abundant compound of blood plasma of man is: (a) Water                      (b) Fibrinogen (c) Glucose                  (d) Salts	A
46.	The study of blood is called: (a) Immunology           (b) Haematology (c) Cardiology              (d) Rheumatology	B
47.	Pericardial fluid contains: (a) Protein                    (b) Lymphocytes (C) Lactate Dehydrogenase (d) All of these	D
48.	Chap no.13 Immunity
49.	The study about immune system is called: (a) Gerontology                       (b) Herpetology (c) ichthyology                        (d) Immunology	D
50.	In humans, the  is the largest organ of the integumentary system. (a) Liver                       (b) Spleen (c) Pancreases              (d) Skin	D
51.	Which one of the following is included in first line of defense? (a) Skin                                    (b) Digestive tract (c) Mucous and Cilia   (d) All of these	D
52.	Skin is involved in (a) Providing Insulation                       (b) Sensation (c) Temperature Regulation     (d) All of these	D
53.	Which one of the following is non-specific   defense? (a) First line of defense                        (b) Second line of defense (c) Third line of defense                      (d) Both a and b	D
54.	Epidermal dendritic cells are present in: (a) Skin                                    (b) Pancreas (c) Liver                       (d) All of these	A
55.	Dermis contain protein fibers called: (a) Keratin                   (b) Collagen (c) Actin                      (d) All of these	D
56.	Which one of the following produce oil? (a) Sweat Gland                       (b) Sebaceous Gland (c) Both a and b                       (d) None of these	B
57.	Which of the following are integumentary gland? (a) Sweat Gland                       (b) Sebaceous (c) Both a and b                       (d) None of these	C
58.	Sweat gland secrete sweat which contain: (a) Salt             (b) Lysozyme (Enzyme (c) Urea           (d) All of these	D
59.	Skin is in nature due to sebaceous gland. (a) Acidic                     (b) Basic (c) Neutral                   (d) None of these	A
60.	Cilia and hair filter out dangerous particles in incoming air like: (a) Bacteria                  (b) Pollen Grain (c) Dust Particle           (d) All of these	D
61.	All of the following are parts of the first line of defense of the immune system except: (a) Leukocytes             (b) Skin (c) Stomach Acid         (d) Mucus	A
62.	All of the following are true of the second part of the first line of defense of the immune system except: (a) Increased production of histamine (b) Phagocytes (c) Stomach Acid (d) Inflammatory Response	C
63.	Which of the following initiate the clotting process? (a) Plasma                    (b) White Blood Cells (c) Red Blood Cells     (d) Platelets	D
64.	Fluid collected on the clot is like plasma except that it has no: (a) Water                      (b) Hemoglobin (c) Red Blood Cells     (d) Fibrinogen	C
65.	During the clotting process, fibrinogen is converted into: (a) Thromboplastin      (b) Prothrombin (c) Fibrin                      (d) Thrombin	C
66.	The blood without its cells is: (a) Serum                     (b) Plasma (c) Lymph                    (d) Fibrinogen	B
67.	Some special type of blood proteins that provide immunity against certain diseases are: (a) Antibodies              (b) Antigens (c) Hormones               (d) Blood Clotting Protein	A
68.	The worn out and old blood cells are destroyed in: (a) Spleen and Liver    (b) Kidney (c) Bone Marrow         (d) Pancreas	A
69.	All of the following are part of the first line of defence of the immune system except: (a) Leukocytes             (b) Skin (c) Stomach Acid         (d) Mucus	A
70.	All of the following are true of the second line of defence except: (a) Increased Production of Histamine (b) Phagocytes (c) Stomach Acid (d) Inflammatory Response	C
71.	All of the following are correct about the immune system except: (a) The first line defence is non specific (b) The second line defence is non specific (c) Macrophages engulf huge number of microbes (d) T-lymphocytes release antibodies	D
72.	Which of the following is true abouthistamine? (a) It is part of the body's first line of defence (6) It kills the germs by dissolving them (c) It causes sneezing and a running nose in an attempt to rid the body of germs (d) It is a toxin released by microbes or germs	C
73.	Certain danger in a blood transfusion comes when the: (a) Recipient has antigens to the donor blood (b) Recipient has antibodies to the donor blood (c) Donor has antibodies to the recipient's blood (d) Donor has antigens to the recipient's antigens	B
74.	All of the following are autoimmune diseases except (a) Arthritis                              (b) Lupus (c) Scleroderma                                   (d) AIDS	D
75.	Antibodies are: (a) Memory Cells                     (b) Plasma Cells (c) Specitic (d) Part of First Line of Defence	B
76.	Which is an example of passive immunity? (a) Life Long Immunity (b) Babies who are nursing receive antibodies from their mother (c) You become resistant to a viral infection once you have recovered from it (d) You become resistant to mumps after receiving the mumps Vaccine	B
77.	Which of the following are true about the immune system? (a) Vaccines can cure certain common viral infections (b) Allergies can be cured by antibodies (c) Multiple sclerosis is caused by an allergy (d) Arthritis is an autoimmune disease	D
78.	Vasodilation: (a) is triggered by histamine     (b) is caused by interferons (c) Is part of an immunoglobulin         (d) Means engulfing antigens	A
79.	Antigen is also known as: (a) Immunoglobulin     (b) Immunogen (c) Collagen                 (d) Allergen	B
80.	Sebum is secreted by: (a) Sweat Glands                      (b) Sebaceous glands (c) Sudoriferous Glands                       (d) All of these	B
81.	Highly saline environment is: (a) Favourable for most Microbes (b) Unfavourable for most Microbes (c) Having no effect on Microbes (d) None of these	B
82.	Which of the following functions are carried out in the nose and nasal cavities? (a) Filtration of the air              (b) Warming the air (c) Moistening of the air                      (d) All of these	D
83.	Large monocytes in the tissues are called: (a) Neutrophils             (b) Lymphocytes (c) Macrophages          (d) Eosinophils	C
84.	Natural killer cells, type of lymphocytes are: (a) Neurotoxic             (b) Cytotoxic (c) Phagocytic              (d) None of these	B
85.	Virion is: (a) An Immature Virus             (b) A Viroid (C) A Mature Virus                  (d) Not a Virus	C
86.	A number of neutrophils attract to the site of an injury or cut by: (a) Diffusion                            (b) Chemotaxis © Phagocytosis                                    (d) Pinocytosis	B
87.	When B cells are activated, they divide and differentiate to produce: (a) T Cells                                (b) Antigens (c) Plasma Cells                       (d) All of these	C
88.	Complement system of the body defence is activated by lipid-sugar molecules on the surface of: (a) Bacteria                              (b) Virus (c) Protozoa                             (d) Nematodes	A
89.	Interferon is a: (a) Carbohydrate                      (b) Protein (c) Lipid                                   (d) Cellulose	B
90.	When tissues are injured or damaged, inflammatory response is initiated by the release of chemical like: (a) Histamine                           (b) Bradykinin (c) Serotonin                            (d) All of these	D
91.	Pyrexia means the elevation of body: (a) Blood Pressure                   (b) Hormone Level (c) Metabolism                         (d) Temperature	D
92.	Fever is beneficial as it: (a) Stimulates the immune system (b) Provides unfavorable environment for invading organisms c) Results in higher production of WBCS (d) All of these	D
93.	Cell mediated response is produced by (a) B Lymphocytes                  (b) T-Lymphocytes (0) Antigens                             (d) Antibodies	B
94.	Each antibody molecule consists of (a) Two Polypeptides               (b) Four Polypeptides (c) Six Polypeptides                 (d) Only Lipid	B
95.	The process where body is made immune or resistant to an infectious disease, typically by the administration of a vaccine is called: (a) Immunization                     (b) Inflammation (c) Transfusion                                    (d) Transplantation	A
96.	Allergens cause the production of: (a) IgA                         (b) IgM (c) IgD                         (d) IgE	D
97.	For successful tissue transplantation, which of the following must be matched? (a) Antibodies (b) T-Lymphocytes (c) B-Lymphocytes (d) Major Histocompatibility Complex (MHC) proteins	D
98.	The response shown by the memory cells is called: (a) Primary Im mune Response (b) Secondary Immune Response (c) Immunization (d) Inflammation	C