M.Sc. Physiology Quiz

Which of the following is responsible for the heart beat?

• SA node

• Semilunar valve

• Bundle of HIS

• Chordae tendinae

Which of the following blood vessels carry oxygenated blood?

• Pulmonary artery

• Pulmonary vein

• Systemic vein

• Renal vein

What is the duration of each cardiac cycle?

• 0.4 sec

• 0.8 sec

• 0.7 sec

• 0.1 sec

Which functions as the cardioinhibitory nerve?

• Vagus

• Sympathetic

• Carotid

• Subclavian

What is rapid beating of heart called?

• Bradycardia

• Tachycardia

• Atrial flutter

• Pace maker

The lymph vessels present in the intestine are called------------.

• Lymph capillaries

• Lacteals

• Axillary glands

• Iliac glands

Which of the following collects lymph from hind limb and alimentary canal?

• Cisterna chyli

• Spleen

• Lymph node

• Lacteals

What is the normal blood pressure of man?

• 120/80 mm Hg

• 120/80 mm Hg

• 120/80 mm Hg

• 120/80 mm Hg

Which of the following is the primary site for gas exchange?

• Trachea

• Bronchi

• Alveoli

• Bronchioles

Which of the following detects the CO₂ concentration in blood?

• Baroreceptors

• Chemoreceptors

• Mechanoreceptors

• Thermoreceptors