environmental and nutritional diseases Flashcards
epithelial metaplasia, Bitot’s spots, xerophthalmia, night blindness and immunosuppression are all associated with?
Vitamin A deficiency
what are symptoms of vitamin E deficiency?
neurodegeneration
myopathy
peripheral neuropathy
what are sx of vitamin K deficiency?
hemorrhage
osteoporosis
petechiae
easy bruising
what are causes of vitamin K deficiency?
bile duct obstruction
IBD
liver failure
malnutrition
what are sx of vitamin C deficiency?
scurvy
hyperkeratosis
bleeding gums
reduced cognition
what are sx of thiamin (B1) deficiency?
edema
vomiting
wet and dry beriberi
korsakoff syndrome
what are sx of dry beriberi?
weakness
peripheral neuropathy
wasting of extremities
what are sx of wet beriberi?
cardiomegaly
edema
tachycardia
what sx are associated with wernicke-korsakoff syndrome? (alcoholic and malnutrition)
severe amnesia
invented memories
apathy
damage to thalamus and hypothalamus
what are the sx niacin (B3) deficiency?
pellagra 4Ds: Dermatitis Dementia Diarrhea Death
what are sx of calcium deficiency?
tetany
osteomalacia
osteoporosis
what are sx of potassium deficiency?
arrhythmia
myopathy
HTN
irritability
what is the term for chemicals not produced in an organism but found inside?
xenobiotic
what type of poisoning replaces ability of RBCs to carry oxygen, causes hypoxia, asphyxiation, CNS depression cherry red skin and mucous membranes and is lethal?
carbon monoxide
what type of poison is a breakdown product of uranium from soil, enters homes through cracks in foundation and has a small risk for lung cancer and large risk with occupational exposure (mining)?
radon