Body fluid and circulation Questions
Match the Column-I with Column-II :-
Assertion : Lymph is a colourless fluid containing specialised lymphocytes which are responsible for immune responses of the body. Reason : Exchange of nutrients, gases etc. between the blood and the cells always occurs through tissue fluid.
Given below are two statements - Statement-I : The atrium and ventricle of same side are separated by thick muscular tissue called atrio ventricular septum Statement-II : Atrio ventricular septum has a muscular valve between the atria and ventricle o
In which of the following option represent the correct blood flow pathway in pulmonary circulation?
Assertion : If repeated checks of blood pressure of an individual is 140/90 (140 over 90) or higher, it shows hypertension Reason : High blood pressure leads to heart diseases and also affects vital organs like brain and kidney.
In 2012 a B+ person has donated blood to his aunt and it was a safe transfusion. Now in 2015 his aunt is willing to donate blood to her B+ grandson who was injured in a road accident and need urgent transfusion. But the Doctor diagnosed that she can'
Choose the incorrect statement:
Which of the following is responsible for the lub sound of the heart?
Which of the following statements regarding the human heart is incorrect?
Cardiac activities of the heart are regulated by:A. Nodal tissueB. A special neural centre in the medulla oblongataC. Adrenal medullary hormonesD. Adrenal cortical hormonesChoose the correct answer from the options given below:
The given figure shows the schematic plan of blood circulation in humans with labels A to D. identify the label and give its functions.
In the given figure of the heart, which f the marked structures (1, 2, 3, 4, 5) carry oxygenated blood?
Identify the given figure and select the correct option.
Congestion of the lungs is one of the main symptoms in:
Sudden damage of heart muscle due to inadequate blood supply is called:
Which statement is correct regarding blood pressure?
Compared to blood, our Lymph has:
Which of the following is a function of lymph?
Fats are absorbed through lymph in the ______ present in the intestinal villi.
Lymph is similar to blood plasma except that it has:
The fluid found in the lymphatic system is called:
Which hormone can also increase the cardiac output?
Parasympathetic neural signals:
Sympathetic neural signals can:
Which part of the brain can moderate the cardiac function through the autonomic nervous system (ANS)?
The normal activities of the heart are regulated intrinsically (auto-regulated). Hence the heart is called:
The "Double Circulation" consists of:
The special coronary system of blood vessels is responsible for circulating blood:
The hepatic portal system carries blood from:
By counting the number of ______ that occur in a given time period, one can determine the heart beat rate of an individual.
The T-wave in an ECG represents:
The QRS complex in an ECG represents:
In a standard ECG, the P-wave represents:
The second heart sound (dub) is associated with:
The first heart sound (lub) is associated with:
Cardiac output is defined as:
The volume of blood pumped out by each ventricle during a cardiac cycle is the Stroke Volume, which is approximately:
Atrial systole increases the flow of blood into the ventricles by about:
During a joint diastole:
The SAN can generate the maximum number of action potentials, about:
The nodal musculature has the ability to generate action potentials without any external stimuli, which is called:
The 'pacemaker' of the human heart is:
The entire heart is made of cardiac muscles. The wall of which chamber is the thickest?
Bicuspid valve (Mitral valve) guards the opening between:
The opening between the right atrium and the right ventricle is guarded by:
The double-walled membranous bag that protects the heart is:
In humans, the heart is derived from:
Which is not true about incomplete double circulation?
Which represents the single circulation in fishes?
Number of heart chambers present in fish, amphibians, reptiles, birds and mammals respectively is: