Exam 1: NU 664B NU664B Latest

Exam 1: NU 664B / NU664B (Latest

Update 2025 / 2026) Primary Care of Family I | Test Questions & Answers | 100% Correct | Grade A - Regis

Question:

allergies defined

Answer:

an adverse effect from a specific immune response that is reproducible on exposure to a given food

food is defined as any substance intended for human consumption including, drinks, chewing gum, food additives, and dietary supplements

food allergy is an IgE mediated reaction that is potentially systemic and characteristically rapid in onset

• / 4

Question:

types of food allergies

Answer:

IgE mediated: foods penetrate mucosal barriers and reach specific IgE

antibodies bound to mast cells such as histamine

leukotrienes are released inducing an immediate hypersens reaction leading to symptoms such as wheezing or uticaria

non- IgE mediated

Question:

allergies s/s

Answer:

swelling of the lipds, mouth, uvula and glottis generalized urticaria wheezing severe reactions, anaphylaxis N/V/D cramping light headness or syncope

• / 4

Question:

food intolerance

Answer:

adverse reaction to foods and substance ingested in food

-abnormal physiologic response

*** not immune mediated

Question:

most common food allergies

Answer:

cow's milk allergy is the most common food allergy among infants and young children. resolution is gradual throughout childgood and adolescence

egg allergy is one of the most common food allergies of childhood and it is frequently outgrown during childhood or adolescence

the presence of egg allergy is a marker for subsequent sensitization to aeroallergens, as well as the later development of asthma

peanuts & tree nuts: although it was initially believed to be a lifelong

sensitivity in nearly all cases, subsequent studies have shown that tolerance can develop in appropriately 20-25% of patients 3 / 4

wheat allergy: common childhood food allergies that is usually outgrown by

adolescence

seafood (fish and shellfish): develop in childhood, although adult onset is

believed to be more common

Question:

related conditions to food allergies

Answer:

young children who are sensitized to foods or have confirmed immunoglobulin E (IgE) mediated food allergy are more likely than their non allergic peers to develop allergic rhinitis and asthma

a child with food allergy has between a 50 and 90% chance of subsequently developing asthma

Question:

dx of allergies

Answer:

hx and PE

skin testing

• / 4