Body Fluids and Circulation

Blood pressure in the pulmonary artery is:

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 hepatic portal vein drains blood to liver from

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 Choose the correct option:

The genotypes of a Husband and Wife are IAIB and IAi. Among the blood types of their children, how many different genotypes and phenotypes are possible?

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 Select the correct option:

Match the items given in Column I with those in Column II and select the correct option given below : Column I a. Fibrinogen b. Globulin c. Albumin Column II (i) Osmotic balance (ii) Blood clotting (iii) Defence mechanism

Match the items given in Column I with those in Column II and select the correct option given below : Column I a. Tricuspid valve b. Bicuspid valve c. Semilunar valve Column II i. Between left atrium and left ventricle ii. Between right ventricle and pulmonary artery iii. Between right atrium and right ventricle

Match the Column-I with Column-II: Column-I (a) P-wave (b) QRS complex (c) T-wave (d) Reduction in the size of T-wave Column-II (i) Depolarisation of ventricles (ii) Repolarisation of ventricles (iii) Coronary ischemia (iv) Depolarisation of atria (v) Repolarisation of atria Select the correct option:

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

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

What would be the heart rate of a person if the cardiac output is 5 L, blood volume in the ventricles at the end of diastole is 100 mL and at the end of ventricular systole is 50 mL?

Which of the following statements is incorrect?

Identify the wrong statement with reference to the gene ‘I’ that controls ABO blood groups.

The QRS complex in a standard ECG represents:

Match the following columns (types of WBC with their functions) and select the correct option. List I (WBC) A. Eosinophils B. Basophils C. Neutrophils D. Lymphocytes List II (Function) i. Immune responses ii. Phagocytosis iii. Secrete histamine and heparin (inflammation) iv. Resist infections; associated with allergic reactions Choose the correct answer:

Erythropoietin hormone which stimulates R.B.C. formation is produced by

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

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

Which one of the following statements is correct ?

Given below are two statements: Statement I: The coagulum is formed of a 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 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:

Match List I with List II: List I A. P-wave B. Q-wave C. QRS complex D. T-wave List II I. Beginning of systole II. Repolarisation of ventricles III. Depolarisation of atria IV. Depolarisation of ventricles Choose the correct answer from the options given below:

Match List-I with List-II List-I (ECG) (A) P-wave (B) QRS complex (C) T wave (D) End of T wave List-II (Electrical activity of heart) (I) Depolarisation of ventricles (II) End of systole (III) Depolarisation of atria (IV) Repolarisation of ventricles Choose the correct answer from the options given below :

Match List - I with List - II. List - I (A) Eosinophils (B) Lymphocytes (C) Neutrophils (D) Monocytes List - II (I) 6 - 8% (II) 2 - 3% (III) 20 - 25% (IV) 60 - 65% 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

As per ABO blood grouping system, the blood group of father is B+, mother is A+ and child is O+. Their respective genotype can be A. IBi/IAi/ii B. IBIB/IAIA/ii C. IAIB/iIA/iBi D. IAi/IBi/IAi E. iIB/iIA/IAIB Choose the most appropriate answer 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:

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 :

What is the name of the blood vessel that carries deoxygenated blood from the body to the heart in a frog ?

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?

The opening between the right atrium and the right ventricle is guarded by _________.

The number of action potentials generated by the sino-atrial node (SAN) in a healthy human is _______ per minute.

What is the probability of having children with ‘O’ blood group, where both mother and father are heterozygous for ‘A’ and ‘B’ blood group, respectively?

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.