Nutrition Flashcards
1
Q
Duodenum
A
- Powerhouse for absorption
- Preferred site for absorption of calcium, magnesium, iron, folate
- 10 inches long
2
Q
Jejunum
A
- Absorption of 90% of nutrients, calcium, zinc, drugs
- 6-10 feet long
3
Q
Ileum
A
- Absorption of B12, bile salts
- 10-13 feet long
4
Q
Transverse colon
A
- Absorbs water, electrolytes
5
Q
Stomach
A
- Mix/dilute chyme
- Digest protein
- Acidic
- Add intrinsic factor
6
Q
Short bowel syndrome
A
- Intestinal dysfunction –> malabsorptive
- Small bowel length
- Loss of function of long segments of small bowel
7
Q
Short bowel syndrome characterizations
A
- Maldigestion
- Malabsorption
- Malnutrition
8
Q
Results of short bowel syndrome
A
- Inability to maintain nutritional. fluid, electrolyte homeostasis while consuming normal/healthy diet
9
Q
Causes of short bowel syndrome
A
- Small bowel resection
- Functional (luminal absorption failure)
- Birth defects
10
Q
Short bowel syndrome adaptation
A
- Compensatory
- Intestinal villi grows in length and thickness
11
Q
S/S of short bowel syndrome (9)
A
- Severe diarrhea
- Dehydration
- Malnutrition
- Steatorrhea
- Fatigue
- Pain
- Vitamin/mineral deficiencies
- Edema
- Weight loss
12
Q
Electrolyte imbalances in short bowel syndrome
A
- Hyponatremia
- Hypokalemia
- Hypomagnesemia
13
Q
Iron
A
Necessary in RBC production, component of Hgb
14
Q
Iron deficiency
A
- Anemia
- Weakness
- Fatigue
15
Q
Folate
A
Synthesis of protein and rapidly dividing cells (GI lining/fetus), maintenance of mature RBCs
