Which of the Following Is Not a Function of Gastric

question 1

Multiple Choice

Which of the following is not a function of gastric hydrochloric acid (HCl) ?

• A) Activate pepsinogen to pepsin
• B) Activate lingual lipase
• C) Emulsify lipids
• D) Destroy ingested pathogens
• E) Convert Fe³⁺ to Fe²⁺

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Definitions:

Agonist

An agonist is a chemical that binds to a receptor and activates the receptor to produce a biological response.

Sarcomeres

The fundamental units of a muscle's myofibril, responsible for muscle contraction.

Z Line (Disc)

A key component in skeletal muscle fibers that anchors the actin filaments and marks the boundary between sarcomeres.

Motor Unit

A single motor neuron and all the muscle fibers it innervates, functioning as a single operational unit in muscle contraction.