First things first. It is essential to understand the meaning of collateral and recurrent arteries. Recurrent arteries turn back so as to reverse direction. Collateral arteries refer to side branches of the major arteries. Mnemonic: M.R. Deep On the posterior aspect of the shaft of the humerus: Profunda brachii (Deep…
Relevant terms and definitions: 1. Pure tone: A single frequency sound 2. Audiometer: Equipment used to generate pure tones of varying frequency and loudness and control their presentation 3. Air conduction (AC) threshold: lowest level dB HL (hearing threshold) at which the subject perceives 50% of pure tones introduced via earphones or speakers…