Body Fluids - 22-11-23

Find the correct descending order of percentage proportion of leucocytes in human blood.

• (a) Neutrophils→ Basophils → Lymphocytes → Acidophils(Eosinophils) → Monocytes

• (b) Neutrophils → Monocytes → Lymphocytes → Acidophils → Basophils

• (c) Neutrophils → Lymphocytes → Monocytes → Acidophils → Basophils

• (d) Neutrophils → Acidophils → Basophils → Lymphocytes → Monocytes

A doctor suggested to a couple not to have more than one child because of –

• (a) Rh⁺ male and Rh– female

• (b) Rh^– male and Rh+ female

• (c) Rh^– male and Rh– female

• (d) Rh⁺ male and Rh+ female

Open circulatory system is found in –

• (a) Arthopods and molluscs

• (b) Annelids and Chordates

• (c) Annelids and arthopods

• (d) Fishes and molluscs

Tricuspid valve is present between the –

• (a) Two atria

• (b) Two ventricles

• (c) Left atrium and left ventricle

• (d) Right atrium and right ventricle

Bundle of His is a group of –

• (a) Ganglia

• (b) Nerve fibres

• (c) Muscular fibres

• (d) Connective tissue

Electrocardiogram is a measure of –

• (a) Heart rate

• (b) Ventricular contraction

• (c) Volume of blood pumped

• (d) Electrical activity of heart

The hepatic portal vein carries blood from ___________ to the __________ before it is delivered to the systemic circulation –

• (a) Liver, intestine

• (b) Pancreas, intestine

• (c) Intestine, liver

• (d) Hepatic artery, hepatic vein

Systemic circulation –

• (a) Provides nutrient, O₂ and other essential substances to the tissues

• (b) Takes CO₂ and other harmful substances away for elimination

• (c) Both a and b

• (d) Carries blood from heart to lungs

What portion of the ECG indicates ventricular repolarization?

• (a) P wave.

• (b) QRS complex.

• (c) R spike.

• (d) T wave.

What would be the cardiac output of a person having 72 heart beats per minute and a stroke volume of 50 ml?

• (a) 360 mL

• (b) 3600 mL

• (c) 7200 mL

• (d) 5000 mL