What is the Shi'ur for a bone?

1.   ?    Large enough to make a spoon.
2.   ?    Large enough to make a key.
3.   ?    Large enough to make the teeth of a key.
4.   ?    Machlokes A&B.
5.   ?    Machlokes A&C.

בבית כסא קבוע ie one normally used how many rocks may one bring in without worrying about מוקצה ?

1.   ?    Handful.
2.   ?    3 מקורזלות nut sized.
3.   ?    3 מקורזלות egg sized.
4.   ?    3 various size.
5.   ?    Machlokes A&B&C.

One may take a chip of wood to remove food between his teeth.

1.   ?    True, any.
2.   ?    True, non Muktza.
3.   ?    False.
4.   ?    Machlokes A&B.
5.   ?    Machlokes B&C.

Under what circumstances does Rav Sheishes permit taking a small mortar into the bathroom to use instead of the stones?

1.   ?    All. (kovod Habriyos)
2.   ?    None.
3.   ?    If it is still seen from a previous use.
4.   ?    If he decided to use it before שבת .
5.   ?    Machlokes B&D.

Rav Huna's reason for forbidding relieving oneself in someone else's field is _______ .

1.   ?    spoiling the furrows
2.   ?    he might come to pull out some of the grass
3.   ?    Choresh
4.   ?    Boneh
5.   ?    Machlokes C&D.

May one use clay to clean oneself?

1.   ?    Yes.
2.   ?    Only during the week.
3.   ?    Never,it is dangerous.
4.   ?    Never it is subject to witchcraft.
5.   ?    Machlokes C&D.