Although She Is Normally Not Aware of Its Existence, Ingrid

question 213

Multiple Choice

Although she is normally not aware of its existence, Ingrid discovers that she has a blind spot in her vision by closing one eye and focusing on a fixed point. What explains why Ingrid has this blind spot in her vision?

• A) She suffers from retinal degeneration.
• B) She is experiencing sensory adaptation.
• C) No photoreceptors are located where the optic nerve leaves the eye.
• D) There is insufficient light to activate her rods.

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Definitions:

Immunoglobulins

Proteins in the immune system that function as antibodies, helping to protect the body from pathogens.

Allergies

Immune system reactions to a substance that most people tolerate, characterized by symptoms like itching, sneezing, or rashes.

Intradermal Allergy Testing

A method to identify specific allergens that cause allergic reactions by injecting small amounts of allergens into the skin's surface and observing the reaction.

Epinephrine

A hormone and medication, also known as adrenaline, used to treat allergic reactions and cardiac arrest among other conditions.