28o 
Examination  Questions. 
An  .  Jonr.  Pharro. 
May,  189-5. 
B — Pepsin,  (i)  Give  the  official  name  of  pepsin.  (2)  What  is  the  official  descrip- 
tion ?  (3)  Is  it  a  chemical  compound?  (4)  What  are  its  medical  uses?  (5) 
How  is  its  value  estimated?    (6)  Describe  a  process  for  making  scale  pepsin. 
C — Silver.  ( 1 )  How  does  silver  usually  occur  in  nature  ?  (2)  Give  its  symbol 
and  atomic  weight.  (3)  Give  its  specific  gravity.  (4)  Describe  two  tests  for  silver 
salts.  ( 5)  Name  six  official  preparations  of  silver.  (6)  How  may  its  oxygen  com- 
pound be  prepared  ?  (7)  What  official  precautions  should  be  observed  in  dis- 
pensing this  substance  ? 
D — Massa  Hydrargyri.  (1)  What  ingredients  are  used  in  preparing  it? 
(2)  What  percentage  of  metal  does  it  contain  ?  (3)  Give  the  common  names 
for  this  preparation.  (4)  Why  is  long-continued  trituration  necessary?  (5) 
Give  a  test  for  absence  of  mercuric  oxide.  (6)  Give  a  test  for  limit  of  mercu- 
rous  oxide.    (7)  What  are  its  medical  properties  ?    (8)  What  is  its  dose  ? 
E — Spanish  Flies.  (1)  Give  the  official  title,  the  Latin  name  of  the  insect 
and  the  order  to  which  it  belongs.  (2)  Give  the  commercial  sources  of  this 
drug.  (3)  Which  flies  are  most  highly  esteemed,  and  how  may  they  be  recog- 
nized ?  (4)  Give  the  name  of  the  vesticating  principle.  What  is  its  best  sol- 
vent ?  (5)  Give  a  process  for  obtaining  this  principle.  What  is  the  usual  per- 
centage of  it  in  Spanish  flies  ?  (6)  Name  the  official  preparations  of  Spanish 
flies,  and  give  the  ingredients  of  each.  (7)  What  are  the  medical  properties 
and  dose  of  Spanish  flies  ?  (8)  How  does  the  official  process  for  blistering 
cerate  differ  from  that  of  the  previous  Pharmacopoeia  ? 
F—  Potassium  Hydrate.    (1)  Give  a  method  of  preparing  potassium  hydrate. 
(2)  In  what  form  does  it  usually  occur  in  the  shops?  (3)  Describe  (a)  the 
physical  and  (b)  the  chemical  properties  of  the  official  compound.  (4)  What 
impurities  are  liable  to  be  present  ?  (5)  What  is  the  quantitative  method  of 
determining  its  value.  (6)  Give  four  reagents  for  the  detection  of  potassium 
salts. 
G — (1)  How  would  you  distinguish  a  root-drug  from  a  rhizome-drug.  (2) 
Write  the  pharmacal  names  of  two  root-drugs  which  possess  laticiferous  tissue. 
( 3 )  Write  the  pharmacal  name  of  a  monocotyl  rhizome-drug  that  contains  oleo- 
resin  cells.  (4)  Write  the  pharmacal  names  of  two  drugs,  one  a  root-drug  and 
the  other  a  bark-drug,  each  of  which  contains  mucilage  cells.  (5)  Write  the 
name  of  the  most  potent  principle  in  each  of  the  following  drugs  :  Digitalis, 
veratrum  viride  and  jaborandi.  (6)  Name  three  poisonous  alkaloids,  one 
derived  from  a  root-drug,  one  from  a  leaf-drug  and  the  other  from  a  seed-drug. 
(7)  Name  a  fruit  drug,  which,  on  pulverization  and  treatment  with  solution  of 
potassium  hydrate,  emits  a  volatile  alkaloid  which  has  an  odor  similar  to  that 
of  mice.  (8)  Name  a  bark-drug  from  which,  on  heating  in  a  test  tube,  there  is 
distilled  a  purple  liquid  that  accumulates  in  droplets  on  the  cooler  portions  of 
the  tube.  (9)  Name  two  official  drugs,  both  of  which,  in  medicinal  doses,  slow 
the  heart's  action,  but  one  strengthens  it,  while  the  other  greatly  depresses  it. 
( 10)  Name  a  cholagogue  bark -drug  and  a  cholagogue  rhizome-drug. 
H — Iron.  (1)  What  two  well-defined  series  of  compounds  does  this  metal 
form?    (2)  State  the  valence  of  each  series.    (3)  How  is  reduced  iron  made  ? 
(4)  What  compounds  of  iron  with  the  halogens  are  official  ?  (5)  What  three 
forms  of  ferrous  sulphate  are  official  ?  (6)  What  iron  salt  is  contained  in 
"Liquor  Ferri  Tersulphatis  ?"  (7)  How  does  "  Monsel's  Solution  "  differ  in 
the  character  of  its  iron  compound  from  "Liquor  Ferri  Tersulphatis?" 
