Answer:
1. Blade.
2. Nib.
3. Explorer.
4. Shank.
5. Shaft.
Step-by-step explanation:
A. Cutting portion: this is called a blade. It is the part of an instrument that is typically used for cutting other materials.
B. Working end of a condensing instrument: it is called a nib.
C. Sharp end used to explore and detect: explorer. This part of an instrument is used for the purpose of exploration and detection of specific things.
D. Portion that connects shaft or handle to the blade, nib, or point: shank.
E. Handle of the instrument: shaft. This is the portion of an instrument that can be held by an end user.