Question

Pethidine is used in obstetrics because: 

a) it is 75% excreted unchanged 

b) it does not cross the placenta 

c) it causes less respiratory depression than an equipotent dose of morphine 

d) it can be used without medical supervision 

e) it does not affect uterine contractility.

Answer 1

a) False; 

b) False; 

c) False; 

d) True; 

e) True