NUTRITION PATHOLOGY!!!!1 Flashcards

0
Q

An appropriate diet should provide

A

energy, carbs, fats, proteins
essential & nonessential AA and fatty acids
vitamins and minerals

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1
Q

malnutrition

A

absence of an appropriate diet

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3
Q

Primary malnutrition

A

one or a combination of previous components are missing from the diet

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3
Q

Three common causes of secondary malnutrition

A

GI diseases - diarrhea, surgery decreases absorption of vitamins
Chronic wasting disease - cancer and cachexia
acute illness - blood loss leads Iron deficiency

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4
Q

Secondary malnutrition

A

supply of nutrients is adequate but insufficient due to malabsorption, impaired utilization, storage, excess losses or increased demand

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5
Q

Types of malnutrition seen in Poor, homeless, elderly

A

protein-energy malnutrition (PEM)

trace nutrient deficiencies

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6
Q

In US, Primary malnutrition seen in

A

neglect and ignorance

-some communities, Long term care facilities, acute care hospitals

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7
Q

Common failures in primary nutrition seen for which demographic of ppl?

A

infants, teens, pregnant women - increased nutritional needs

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8
Q

Fe deficiency

A

microcytic anemia

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9
Q

Vit D deficiency

A

osteomalisia

rickets

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10
Q

Folic acid deficiency

A

fetal neural tube defects

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11
Q

Sometimes primary malnutrition is due to ignorance about nutritional content, some examples include

A
iron deficiency in infants who are given Bovine or soy based milk (human milk has iron) 
Polished rice -> thiamine deficiency 
Iodine deficiency (Goiters)
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12
Q

Self imposed malnutrition

A

Alcoholism
Bulimia
fad diets

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13
Q

Failure to recognize thiamine deficiency in chronic alcoholism can result in

A

irreversible brain damage (wernicke korsakoff encephalopathy)

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14
Q

Acquired PEM - Alcoholism

A

lacking in several vitamins
from combo - dietary deficiency, malabsorption, abnormal utilization or storage, increased metabolic needs, increased loss of B6, B1, Folate, vit A

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16
Q

lack of Pyridoxine (B6)

A

seizures, chelosis (seen at edge of the mouth)

Anemia, depression

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16
Q

Folate deficiency

A

Macrocytic anemia

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17
Q

lack of Thiamine B1

A

Dry beriberi - neurologic
Wet beriberi - cardiac
Wenicke-Korsakoff syndrome (alcoholics)

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19
Q

Vit A deficiency

A

night blindness

20
Q

Anorexia

A

Self-induced starvation resulting in marked weight loss

21
Q

Bulimia

A

A condition where pt binges on food and then induces vomiting

22
Q

What does illness tend to do to the basal metabolic rate and why?

A

Increase because more requirements needed for TNF and IL-1

23
Q

What are the characteristics of Protein-Energy Malnutrition (PEM)?

A

Range of symptoms focused on a dietary intake of protein and/ calories to meet the body’s needs

24
Q

If there is an issue with the somatic compartment of proteins (in skeletal muscle) what could it be?

25
If there is an issue with the visceral compartment of proteins (like in the organs) what could it be?
Kwashiorkor
26
When would secondary PEM be observed in a pt?
Chronically ill or hospitalized pts | Cachexia pts with advanced cancer
27
What substance will irreversibly bind to biotin which can cause a B7 deficiency?
Raw eggs - avidin
28
Vit B2 (riboflavin) deficiency
Cheliosis
29
Vit B3 (niacin) deficiency
Pellagra, diarrhea, insomnia, dementia, dermatitis | Casal's necklace
30
Vit B5 (panthothenic acid) deficiency
Ance, paresthesia
31
Vit B7 (biotin) deficiency
Vit H-none in adult, growth and CNS disorder and cradle cap in infants
32
Vit B9 (folic acid) deficiency
Vit M-macrocytic anemia | Assistant to B12, neutral tube defects (spina bifida)
33
Vit B12 (cobalamins) deficiency
Assn with pernicious anemia, macrocytic anemia
34
What are the functions of Vit A?
Maintaining normal vision in reduced light Potentiating the difference of specialized epithelial cells, mainly mucus-secreting cells Enhancing immunity to infections Retinoids, B-carotene, antioxidative agents
35
What is a major source of Vit D?
Endogenous synth by way of the energy from solar or UV light radiation
36
1,2OH2D from Vit D stimulates the uptake of what?
Ca++ and PO4
37
Describe rickets.
Vit D deficiency Osteomalacia in adults Dec synth of Ca++ leading to bone weakness
38
Describe scurvy.
Vit C deficiency | Bone disease in growing children and by hemorrhages and healing defects in children and adults
39
Describe vit E.
Major antioxidant Scavenges free radicals Spinocerebellar degeneration (deficiency)
40
Describe vit K.
Cofactor in hepatic carboxylation of procoagulants -Factor II prothrombin, VII, IX and X; and proteins C and S Bleeding diathesis (deficiency)
41
Which trace element is the most common deficiency?
Iron
42
What is iron essential for?
Component of hemoglobulin as well as several iron-containing metalloenzymes
43
What could occur if someone is deficient in iron?
Hypochromic microcytic anemia
44
What is iodine a component of?
Thyroid hormone
45
What happens in an iodine deficiency?
Goiter and hypothyroidism
46
What is copper a component for?
``` Cytochrome c oxidase Dopamine b-hydroxylase Tyrosinase Lysyl oxidase Cross-linking ```
47
If there isn't enough copper uptake what occurs?
Muscle weakness Absorption interference Neuro defects Abnormal collagen-linking