TEST QUESTION: Learning Difficulties

CORRECT ANSWER: B) Lead poisoning


Lead poisoning: Symptoms include developmental delays, poor appetite, learning disabilities, irritability, abdomen pain, hearing loss. Pica (eating non food items-paint chips, ice) in young children, often leads to lead poisoning. Especially if they live in an older home. Some homes used to contain lead in the paint (late 1970’s and earlier). Lead based paint (especially older homes) is the most common source of lead exposure. Also certain toys and household furniture contain lead. Pica is theorized to be related to iron/zinc deficiency.

Asbestos exposure: Shortness of air, coughing, clubbing nails, nail deformities, chest tightness, loss of appetite. Usually from occupational exposure-asbestosis containing industrial materials.

Mercury poisoning: Often found in fish and shellfish. Symptoms: impaired peripheral vision, numbness and tingling, impaired speech, tremors, muscle atrophy, insomnia, weakness, cognitive decline, headaches, twitching

Carbon monoxide poisoning: Symptoms include headaches, cherry colored lips (uncommon), dizziness, blurred vision, confusion, nausea/vomit



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DISCLAIMER: The information posted is not intended to be medical advice. This is for educational purposes only. This information is intended for medical professionals & students. Check with you primary care provider if you have any questions regarding your health. This is not intended to guide in medical decisions or treatment in any way. As always, medical professionals should call the on call provider if any clarifications are needed. This is not intended to guide or direct medical decisions, treatment choices, and or interventions. State and hospital protocols should always be followed accordingly. Med Made Ez (MME) disclaims any liability for the decisions you make based on this information.



  1. Mayo clinic- Lead Poisoning https://www.mayoclinic.org/diseases-conditions/lead-poisoning/symptoms-causes/syc-20354717
  2. WebMD- Lead Poisoning Topic Overview https://www.webmd.com/children/tc/lead-poisoning-topic-overview#1
  3. Epocrates Plus- Lead Toxicity
  4. CDC Lead https://www.cdc.gov/nceh/lead/


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