Respiratory system: rhinitis
23 Respiratory system rhinitis Questions What is allergic rhinitis? What drugs are used for the treatment of rhinitis? Rhinitis is a common and debilitating disease characterized by rhinorrhoea, sneezing, itching…
Respiratory system: asthma
21 Respiratory system asthma Questions What is asthma? What drugs are used for the treatment of asthma? Asthma Allergic asthma is the most common form of the disease (Fig. 3.21.1)…
Gastrointestinal tract: anti-ulcer agents
18 Gastrointestinal tract anti-ulcer agents Questions How are gastrointestinal ulcers formed? What drugs are used in their treatment? The gastrointestinal tract is principally concerned with the breakdown of food and…
Agents used in the treatment of anaemia
16 Agents used in the treatment of anaemia Questions What are the important features of anaemia? What drugs are used in the treatment of anaemia? Normal red blood cell (RBC)…
Respiratory system: chronic obstructive pulmonary disease
22 Respiratory system chronic obstructive pulmonary disease Questions What is chronic obstructive pulmonary disease? What drugs are used for its treatment? Chronic obstructive pulmonary disease (COPD) is characterized by airflow…
Local anaesthetics
9 Local anaesthetics Questions How are nerve impulses produced? What is the mechanism of action of local anaesthetics? Nerve conduction The lipid membrane provides a physical barrier for the movement…
Drug–receptor interactions
2 Drug–receptor interactions Questions What is drug affinity? What is drug efficacy? How do antagonists differ from agonists? Agonists The binding of a hormone, neurotransmitter or drug to its receptor…
Neuromuscular junction
8 Neuromuscular junction Questions How is skeletal muscle function regulated? What pharmacological agents can interfere with this process? Physiology of the neuromuscular junction Skeletal (voluntary) muscle receives a rich supply…
Sympathetic neurotransmission
7 Sympathetic neurotransmission Questions What are the pharmacological actions of sympathomimetics? How does interference with the sympathetic system affect physiology? The action potential in the postganglionic fibre is generated in…
