Body Fluids and Circulation PYQs

The WBC count of a person's blood sample is 8000/cu mm. How many eosinophils and lymphocytes would be in the same blood sample approximately?

Select the incorrect statement with reference to Rh grouping: A. Erythroblastosis foetalis is a condition observed having foetus with Rh⁻ᵛᵉ blood and mother with Rh⁺ᵛᵉ blood. B. Rh antigen is observed on RBCs in the majority of human beings. C. Before blood transfusion, Rh group should also be matched. D. Rh incompatibility is observed when a pregnant mother is Rh⁻ᵛᵉ and the foetus is Rh⁺ᵛᵉ. E. Erythroblastosis foetalis can be avoided by administering anti-Rh antibodies to the mother immediately after the delivery of the second child.

Match List - I with List - II. Choose the correct answer from the options given below :

Cardiac activities of the heart are regulated by: A. Nodal tissue B. A special neural centre in the medulla oblongata C. Adrenal medullary hormones D. Adrenal cortical hormones Choose the correct answer from the options given below:

Identify the statement that is NOT correct. (1) Each antibody has two light and two heavy chains. (2) The heavy and light chains are held together by disulfide bonds. (3) Antigen binding site is located at C-terminal region of antibody molecules. (4) Constant region of heavy and light chains are located at C-terminus of antibody molecules.

The cofactor of the enzyme carboxypeptidase is:

Match List I with List II Choose the correct answer from the options given below:

Following are the stages of pathway for conduction of an action potential through the heart: A. AV bundle B. Purkinje fibres C. AV node D. Bundle branches E. SA node Choose the correct sequence of pathway from the options given below :

Match List I with List II : List I A. P wave B. QRS complex C. T wave D. T-P gap List II I. Heart muscles are electrically silent. II. Depolarisation of ventricles. III. Depolarisation of atria. IV. Repolarisation of ventricles. Choose the correct answer from the options given below :

Which one of the following statements is correct?

Vital capacity of lung is ________.

Match List I with List II. Choose the correct answer from the options given below:

Once the undigested and unabsorbed substances enter the caecum, their backflow is prevented by-

Match List I with List II. Choose the correct answer from the options given below:

Which of the following statements are correct? A. Basophils are most abundant cells of the total WBCs. B. Basophils secrete histamine, serotonin and heparin. C. Basophils are involved in inflammatory response. D. Basophils have kidney shaped nucleus. E. Basophils are agranulocytes. Choose the correct answer from the options given below:

Given below are two statements: Statement I: The coagulum is formed of network of threads called thrombins. Statement II: Spleen is the graveyard of erythrocytes. In the light of the above statements, choose the most appropriate answer from the options given below:

Which of the following functions is not performed by secretions from salivary glands?

Given below are two statements: Statement I: Fatty acids and glycerols cannot be absorbed into the blood. Statement II: Specialized lymphatic capillaries called lacteals carry chylomicrons into lymphatic vessels and ultimately into the blood. In the light of the above statements, choose the most appropriate answer from the options given below:

Which one of the following statements is correct?

Succus entericus is referred to as:

Persons with 'AB' blood group are called as 'Universal recipients'. This is due to:

Sphincter of Oddi is present at:

Which enzyme is responsible for the conversion of inactive fibrinogens to fibrins?

The Adenosine deaminase deficiency results into:

Identify the correct statement with reference to human digestive system.

The enzyme enterokinase helps in conversion of

The QRS complex in a standard ECG represents

Match the following columns and select the correct option.

All the components of the nodal tissue are autoexcitable. Why does the SA node act as the normal pacemaker?

A specialised nodal tissue embedded in the lower corner of the right atrium, close to the atrio-ventricular septum, delays the spreading of impulses to heart apex for about 0.1 sec. This delay allows:

Match the items given in Column-I with those in Column-II and choose the correct option.

Kwashiorkor disease is due to:

Match the items given in Column I with those in Column II and select the correct option given below:

Which of the following gastric cells indirectly help in erythropoiesis?

Match the items given in Column I with those in Column II and select the correct option given below:

Adult human RBCs are enucleate. Which of the following statement(s) is/are most appropriate explanation for this feature? (a) They do not need to reproduce (b) They are somatic cells (c) They do not metabolize (d) All their internal space is available for oxygen transport Options:

Which of the following options best represents the enzyme composition of pancreatic juice?

Frog's heart when taken out of the body continues to beat for some time. Select the best option from the following statements: (a) Frog is a poikilotherm (b) Frog does not have any coronary circulation (c) Heart is "myogenic" in nature (d) Heart is autoexcitable

The hepatic portal vein drains blood to liver from

A baby boy aged two years is admitted to play school and passed through a dental check-up. The dentist observed that the boy had twenty teeth. Which teeth were absent?

Which cells of 'Crypts of Lieberkuhn' secrete antibacterial lysozyme?

In male cockroaches, sperms are stored in which part of the reproductive system?

Which hormones stimulate the production of pancreatic juice and bicarbonate?

Name the blood cells whose reduction in number can cause clotting disorder, leading to excessive loss of blood from the body.

Serum differs from blood in

The primary dentition in human differs from permanent dentition in not having one of the following types of teeth:

The enzyme that is not present in succus entericus is:

Doctors use a stethoscope to hear the sound produced during each cardiac cycle. The second sound is heard when:

The initial step in the digestion of milk in humans is carried out by:

Fructose is absorbed into the blood through mucosal cells of intestine by the process called:

Person with blood group AB is considered as universal recipient because he has:

Select the correct match of the digested products in humans given in column I with their absorption site and mechanism in column II.

Figure shows schematic plan of blood circulation in humans with labels A to D. Identify the label and give its function.

The diagram given here is the standard ECG of a normal person. The P-wave represents

Which one of the following human organs is often called the “Graveyard” of RBC’s?

One of the constituents of the pancreatic juice while poured into the duodenum in humans, is:

Frogs differ from humans in possessing:

Given below is the ECG of a normal human. Which one of its components is correctly interpreted below?

Jaundice is disorder of :

Fastest distribution of some injectable material / medicine and with no risk of any kind can be achieved by injecting it into the :

The haemoglobin content per 100 ml of blood of a normal healthy adult is :

Given below are four statements (a-d) regarding human blood circulatory system. (a) Arteries are thick-walled and have narrow lumen as compared to veins. (b) Angina is acute chest pain when the blood circulation to the brain is reduced. (c) Persons with blood group AB can donate blood to any person with any blood group under ABO system. (d) Calcium ions play a very important role in blood clotting. Which two of the above statements are correct?

If for some reason the parietal cells of the gut epithelium become partially nonfunctional, what is likely to happen?

The most popularly known blood grouping is the ABO grouping. It is named ABO and not ABC, because 'O' in it refers to having:

In a standard ECG which one of the following alphabets is the correct representation of the respective activity of the human heart?

Which one of the following pairs of food compounds in humans reaches the stomach totally undigested?

Compared to blood our lymph has:

A young infant may be feeding entirely on mother's milk which is white in colour but the stools which the infant passes out are quite yellowish. What is this yellow colour due to?

Globulins contained in human blood plasma are primarily involved in:

Which one of the following statement is true regarding digestion and absorption of food in humans?

Which type of white blood cells are concerned with the release of histamine and the natural anticoagulant heparin?

Which one of the following is the correct matching of the site of action on the given substrate, the enzyme acting upon it and the end product?

What will happen if the secretion of parietal cells of gastric glands is blocked with an inhibitor?

The most active phagocytic white blood cells are

In humans, blood passes from the post caval vein to the diastolic right atrium of heart due to

G-6-P dehydrogenase deficiency is associated with haemolysis of:

Which of the following substances, if introduced in the blood stream, would cause coagulation at the site of its introduction?

A patient is generally advised to specially consume more meat, lentils, milk and eggs in diet only when he suffers from:

Secretin and cholecystokinin are digestive hormones. They are secreted in:

A person is undergoing prolonged fasting. His urine will be found to contain abnormal quantities of:

Which group of three of the following five statements (A-E) contain all three correct statements regarding beri-beri? A. A crippling disease prevalent among the native population of sub-Sahara Africa. B. A deficiency disease caused by lack of thiamine (vitamin B$_1$). C. A nutritional disorder in infants and young children when the diet is persistently deficient in essential protein. D. Occurs in those countries where the staple diet is polished rice. E. The symptoms are pain from neuritis, paralysis, muscle wasting, progressive oedema, mental deterioration and finally heart failure.