Final answer:
An anesthetic can alleviate a patient's apprehension and raise their threshold of pain.
Step-by-step explanation:
The type of medication that can alleviate a patient's apprehension and raise their threshold of pain is an anesthetic.
An anesthetic is a drug used to induce anesthesia, which causes a temporary loss of sensation or awareness.
There are two main types of anesthetics: general anesthetics, which result in a reversible loss of consciousness, and local anesthetics, which cause a reversible loss of sensation for a limited region of the body.