Questions and Answers

Recognise trachea, bronchi, bronchioles and alveoli in microscope slides, photomicrographs and electron micrographs and make plan diagrams of transverse sections of the walls of the trachea and bronchus

Recognise cartilage, ciliated epithelium, goblet cells, squamous epithelium of alveoli, smooth muscle and capillaries in microscope slides, photomicrographs and electron micrographs

Describe the distribution in the gas exchange system of cartilage, ciliated epithelium, goblet cells, squamous epithelium of alveoli, smooth muscle and capillaries

Explain the roles of the sinoatrial node, the atrioventricular node and the Purkyne tissue in the cardiac cycle (knowledge of nervous and hormonal control is not expected)

Explain the differences in the thickness of the walls of the: • atria and ventricles • left ventricle and right ventricle

Describe the Bohr shift and explain the importance of the Bohr shift

Explain the importance of the oxygen dissociation curve at partial pressures of oxygen in the lungs and in respiring tissues

Describe and explain the oxygen dissociation curve of adult haemoglobin

Describe the role of plasma in the transport of carbon dioxide

Describe the chloride shift and explain the importance of the chloride shift