Which of the following is also known as a hemostat?

A hemostat is a surgical instrument used to control bleeding by clamping blood vessels. Clamping forceps serve this primary function by gripping tissues tightly to prevent blood flow during procedures. They provide a secure grasp to allow the surgeon to either ligate a vessel or perform other actions without the risk of excessive bleeding.

Needle holders, while crucial for suturing, do not serve the direct purpose of controlling hemostasis in the same manner as hemostats. A scalpel is primarily a cutting instrument, and a balling gun is used for administering medications in animal husbandry, which does not relate to clamping or controlling blood flow. Thus, clamping forceps is the correct term that aligns with the definition of a hemostat due to their specific function in surgical and emergency settings.