Table 1 Student performance on repeated questions

Agonists have affinity but no efficacy

87.5%

92%

88.9%

NS

Insulin is a protein

59.3%

96%

< 0.001

Positive

Insulin is an agonist

96.2%

100%

NS

Insulin promotes the storage of glucose

52%

96%

< 0.001

Positive

Irreversible agonists use which type of bonding

95.5

88.46

NS

Oxidation, reduction and conjugation are all phase I metabolism reactions

44%

60%

76%

< 0.05

Positive

Pancreatic β cells produce which hormone

87.5%

100%

NS

The binding between aspirin and COX is

91.7%

68%

< 0.05

Negative

The SNS acts to; increase heart rate increase bronchodilation increase GI motility

54.1%

62.9%

NS

Which of these does not represent a drug target?

48%

68%

NS