PATHOPHYSIOLOGY ACTUAL EXAM 2 125 QUESTIONS AND ANSWERS.

PATHOPHYSIOLOGY ACTUAL EXAM 2
125 QUESTIONS AND ANSWERS
How does food become fuel?

- Neural Control

- parasympathetic turns on digestion

- sympathetic turns off digestion




Pathway for Digestion

1. Sensory pathways for food

2. Stimulation of parasympathetic NS

3. Activation of cerebral cortex, hypothalamus, and medulla
oblongata

4. Stomach stretch and pH changes activate secretion activity

5. changes in pH and distention in duodenum

6. inhibits stomach secretion




Enteral - Defintion

- utilizes GI tract

,- goes by mouth

- feeding tubes




Three Types of Enteral Tubes

1. Nasogastric - ends in stomach

2. Nasoduodedenol/Jejunol- ends in small intestine

3. PEG/PEJ Perocutaneous Endoscopic Gastronomy - permenant




Types of Feeds in Tubes

1. Bolus

2. Continuous




Parental Feeding (Dfn, feed type, PT)

- nutrients delivered directly to the blood stream

- peripheral or central catheters

- solution is customized

- cannot be taken off for PT

, - continuous feed




What type of feed cannot be taken off for PT?

- parental feeding




Accessory Components of Digestion

1. Salivary Glands

2. Liver

3. Gallbladder

4. Pancreas

5. Sphincters




Pharynx/Larynx

- beginning of peristalsis

- contains epiglottis, lower sphincter

- p: throat, l: voicebox