NEET Biology / AI question bank / NCERT Class 11 / Human Physiology
Body Fluids and Circulation: NEET questions with solutions
This chapter tests blood composition, blood groups and Rh incompatibility, clotting, lymph, the structure and working of the human heart, the ECG and double circulation. NEET marks are lost on which valves cause lub and dub, the ECG waves, cardiac output arithmetic and transfusion compatibility.
Also called: human circulatory system · heart · blood · cardiac cycle
Questions
10 questions / answers after you pick
- Q1Which ABO blood group has neither A nor B antigens on the surface of its red blood cells and is therefore called the universal donor?
Blood groupsEasySingle correct
- Q2The first heart sound, 'lub', is associated with the closure of which valves?
The cardiac cycleEasySingle correct
- Q3Match each type of leucocyte with its feature.
Formed elements: RBCs, WBCs and plateletsMediumMatch the following
- Q4Examine the following statements about cardiac activity and the ECG.
Electrocardiogram (ECG)MediumStatement based
- Q5In which situation is a baby most likely to suffer from erythroblastosis foetalis?
Blood groupsMediumSingle correct
- Q6A resting person has a heart rate of 80 beats per minute and a stroke volume of 60 mL. What is the cardiac output?
The cardiac cycleMediumSingle correct
- Q7Blood group AB individuals can receive blood of any ABO group. Evaluate the Assertion and Reason.
Blood groupsMediumAssertion–Reason
- Q8In the clotting cascade, which enzyme converts fibrinogen into fibrin threads, and how is it formed?
Coagulation of bloodHardSingle correct
- Q9What is the normal blood pressure of a healthy adult, written as systolic over diastolic pressure?
Regulation of cardiac activity and disordersEasySingle correct
- Q10A patient with blood group B Rh-negative needs a transfusion. Considering both ABO and Rh systems, which of the following donors is safe?
Blood groupsHardSingle correct
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