Select the correct term that describes the process whereby oxygen diffuses from the alveoli sacs into the bloodstream.

• Expiration

• Pulmonary diffusion

• Inspiration

• Cellular diffusion

The tricuspid valve of the heart separates the…

• Right atrium from the right ventricle

• Left atrium from the left ventricle

• Right atrium from left ventricle

• Right atrium from aorta

After leaving the heart the blood will take the following path:

• Veins - venules- capillaries - arterioles - arteries

• Arterioles - arteries - capillaries - veins - venules

• Arteries - veins - capillaries - venules - arterioles

• Arteries - arterioles - capillaries - venules - veins

During a bout of exercise, if the heart rate is 150 bpm the/volume is 100 mL/minute the cardiac output is

• 300 mL/Min

• 1.5 L/Min

• 15 L/Min

• 30 L/Min

Arterio-venous oxygen difference (a-Vo2 diff) is greatest at:

• Maximal exercise

• Submaximal exercise

• Rest

• None of the above- it remains constant

In which of the following does blood have the lowest concentration of oxygen?

• Coronary artery

• Inferior vena cava

• Pulmonary vein

• Aorta

The blood cells responsible for blood clotting are the:

• Plasma

• Platelets

• Red blood cells

• White blood cells

The resting systolic and diastolic blood pressure is for a healthy person at rest are:

• 200 and 100 mm Hg respectively

• 120 and 80 mm Hg respectively

• 120 and 180 mm Hg respectively

• 80 and 120 mm Hg respectively

The pathway from the environment to the lungs is as follows:

• Pharynx - larynx - trachea - bronchi - bronchioles - alveoli

• Trachea - pharynx - bronchi - larynx - bronchioles - alveoli

• Alveoli - bronchioles - bronchi - trachea - pharynx - larynx

• Larynx - pharynx - trachea - bronchi - bronchioles - alveoli

Identify which of the following conditions are all classified as cardiovascular diseases:

• Hypertension, arteriosclerosis, asthma and stroke

• Hypertension, arteriosclerosis, atherosclerosis and chronic obstructive pulmonary disease

• Hypertension, arteriosclerosis, stroke and chronic obstructive pulmonary disease

• Hypertension, arteriosclerosis, atherosclerosis and stroke