Body Fluids and Circulation MCQs | Body Fluids and Circulation Multiple Choice Questions (MCQs) and Answers

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Questions
1 Highest amount of CO2 is carried through:
A Pulmonary vein
B Coronary artery
C Aorta
D Pulmonary artery

Answer:Pulmonary artery
2 Select the correct statement:
A T-wave in ECG marks the end of systole
B T-wave represents the electrical excitation of atria
C P-wave represents depolarization of ventricle
D QRS complex represents repolarisation of ventricle

Answer:More on lower surface
3 Cardiac output is increased by:
A Parasympathetic neural signal and adrenaline
B Sympathetic neural signal and adrenaline
C Sympathetic neural signal and adrenal cortical hormone
D Sympathetic and parasympathetic neural signal

Answer: Sympathetic neural signal and adrenaline
4 Cardiac function is moderated by a special neural centre present in:
A Cerebellum
B cerebrum
C Pons
D medulla oblongata

Answer: medulla oblongata
5 Which of the following is not a part of systemic circulation?
A Pulmonary artery
B Aorta
C renal artery
D superior vena cava

Answer: Pulmonary artery
6 Select the wrong statement:
A Hepatic portalsystem carries blood from liver to intestine
B Hepatic portalsystemcarries blood from intestine to liver
C Coronary circulation supply blood to cardiac muscle
D Renal vein carries blood from kidney to inferior vena cava

Answer:Hepatic portalsystem carries blood from liver to intestine
7 SAN is located in:
A Left atrial wall
B Atrio ventricular septum
C Right atrial wall
D Inter atrial septum

Answer: Right atrial wall
8 Incomplete double circulation is present in:
A Fish and amphibian
B Amphibia and reptilia
C reptilian and birds
D reptilian and fish

Answer:Amphibia and reptilia
9 Formed elements in the blood are trapped at the site of injury by:
A Fibrinogen
B Thrombin fibre
C Prothrombin
D fibrin

Answer: Thrombin fibre
10 The back flow of blood from left ventricle to right auricle is prevented by:
A Tricuspid valve
B bicuspid valve
C Semilunar valve
D AV valve

Answer: bicuspid valve
11 Which of the following is involved in CO2 transport from brain tissue to lungs?
A Superior vena cava, right ventricle, pulmonary artery
B Pulmonary artery, right auricle, inferior vena cava
C superior vena cava, inferior vena cava, left ventricle
D Superior vena cava, right auricle, pulmonary vein

Answer: Superior vena cava, right ventricle, pulmonary artery
12 The cardiac output of a healthy individual is:
A 500ml
B 6litrs
C 5000ml
D 50ml

Answer: 5000ml
13 How many types of circulatory pathways are present?
A 1
B 2
C 3
D 4

Answer: 2
14 Cockroach and other insects have blood which __________
A circulates in open system
B has RBC’s
C resembles human blood color
D circulates through arteries and veins

Answer: circulates in open system
15 Blood vascular system of earthworm is ____________
A closed type with Hb in plasma
B open type with Hb in plasma
C open type with Hbin RBC’s
D closed type with Hb in RBC’s

Answer:closed type with Hb in plasma
16 In which of the following animals hemoglobin is found dissolved in plasma?
A Earthworm
B Cockroach
C Sepia
D Planaria

Answer: Earthworm
17 What is heart made up of?
A Skin
B Bone
C Muscle
D Tissues

Answer: Muscle
18 What is a circulatory system?
A System that helps body to move
B System that helps body to respire
C System that helps in transportation of blood
D System that deals with nerves

Answer: System that helps in transportation of blood
19 What makes blood clotting possible?
A Platelets
B Hemoglobin
C Lymphocytes
D Plasma

Answer: Platelets
20 Which of the following is not the function of WBC?
A They fight against bacteria
B They guard against infection
C They carry oxygen
D They attack pathogens

Answer: They carry oxygen

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