2. Thyrotoxicosis in pregnancy:
| a. | is usually due to a solitary adenoma | |
| b. | usually occurs as new disease as a result of HCG stimulation of the thyroid | |
| c. | occurs once in every five hundred pregnancies | |
| d. | may be treated with radioactive iodine as the drug does not cross the placenta | |
| e. | carries little extra risk to the baby | |
| f. | the baby is at risk of neonatal hyperthyroidism | |
| g. | the baby is at risk of neonatal hypothyroidism | |
| h. | beta-blocking drugs are contra-indicated | |
| i. | the major maternal risk is congestive cardiac failure |