Intrinsic Factor Is Normally Secreted by the Inner Layer of the Stomach

question 49

Multiple Choice

Intrinsic factor is normally secreted by the inner layer of the stomach which is essential for absorption of which of the following vitamins in the small intestine?

• A) Vitamin B₁
• B) Vitamin B₆
• C) Vitamin B₉
• D) Vitamin B₁₂

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Definitions:

Cerebral Cortex

The cerebral cortex is the outer layer of the cerebrum in the brain, playing a key role in consciousness, thought, emotion, reasoning, language, and memory.

Feature Detectors

Nerve cells in the brain that respond to specific features of a stimulus, such as shape, angle, or movement.

Absolute Threshold

The minimum stimulus intensity required to detect a particular stimulus 50% of the time.

Adaptation Threshold

The limit to which an organism or a system can adapt to changes in conditions or stimuli.