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Free download in PDF Body Fluids and Circulation Multiple Choice Questions (MCQs) and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams like NEET, AIIMS, JIPMER etc. These short solved questions or quizzes are provided by Gkseries./p>
(1)
Highest amount of CO2 is carried through:
[A]
Pulmonary vein
[B]
Coronary artery
[C]
Aorta
[D]
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
(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
(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
(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
(13)
How many types of circulatory pathways are present?
(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
(17)
What is heart made up of?
[A]
Skin
[B]
Bone
[C]
Muscle
[D]
Tissues
(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
(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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