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Human Physiology 2 Body System - Week 11-Digestion and Metabolism - Lecture 2 Flashcards | StudBud
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Human Physiology 2 Body System - Week 11-Digestion and Metabolism - Lecture 2
Human Physiology 2 Body System - Week 11-Digestion and Metabolism - Lecture 2
28 terms
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Flashcards
28 cards
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Practice quiz
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Questions
28
Answers
1
The 2 types of starch are amylose and amylydase
False
True
2
What is the best treatment for diarrhoea?
Fasting
Oral Rehydration therapy
Saline
Antibiotics
3
Osmotic diarrhoea is
due to inflammation secondary to microbial infection, IBD
due to fructose malabsoption
due to lactose intolerance, enhanced by bacterial breakdown
due to bacterial toxins e.g. cholera toxin
4
Why of the following statements about glycogen is true?
Highly unbranched
Straight chain polymer
α-linkage between sugars
Used as structural element in plants
5
Salivary glands secrete what?
Pancreatic amylopectin
Pancreatic amylase
Salivary amylase
Salivary amylopectin
6
Starch is
α-linkages (1 → 4) between sugars
β- linkages (1 → 2)
α-linkages (1 → 2) between sugars
β- linkages (1 → 4)
7
With in the small intestines water moves in only one directions across intestinal mucosa
True
False
8
What element is drawn into the lumen by an electrical gradient through a paracellular pathway?
Sodium
Potassium
Chloride
Calcium
9
Glucose/Galactose uses what transporter from lumen to cells?
Concentration gradient
Tertiary active transport
Primary active transport
Secondary active transport
10
In secretion of water & electrolytes in the intestines, Cl- enters the lumen through what?
Primary active transport
CATR calcium channel
Osmosis
CFTR chloride channel
11
In the Secretion of Water and Electrolytes in the Intestines water follows what?
Diffuses into the interstitial fluid
Sodium channel
Osmosis
Concentration gradient
12
What is required to break disaccharide bonds?
O2
COO2
H
H2O
13
Carbohydrates are molecules containing what?
Carbon, Carbon dioxide and Oxygen
Carbon, Hydrogen and Nitrogen
Carbon, Hydrogen and Oxygen
Carbon, Carbon dioxide and Nitrogen
14
Chemical digestion is
Breakdown of macromolecular nutrients into smaller molecules
Back and fourth mixing of food in stomach
Back and fourth mixing of macromoles
Breakdown of micromolecular nutrients into smaller molecules
15
What carrier transport glucose/galactose and also water
SGLT
GLUT2
GLUT5
Na+ carrier
16
Complex carbohydrates must be broken down to monosaccharides before they can be absorbed
True
False
17
______?of water is absorbed in the small intestines by osmosis and uptake with nutrients
90%
99%
95%
100%
18
Which of the following are monosaccharides
Glucose and Glucagon
Lactose and Fructose
Lactose and maltose
Glucose and Fructose
19
Secretory diarrhoea is?
due to fructose malabsoption
due to inflammation secondary to microbial infection, IBD
due to lactose intolerance, enhanced by bacterial breakdown
due to bacterial toxins e.g. cholera toxin
20
Glucose activates a reflex causing what?
Blood and electrolyte secretion
Water and enzyme secretion
Blood and enzyme secretion
Water and electrolyte secretion
21
Inflammatory diarrhoea is?
due to bacterial toxins e.g. cholera toxin
due to fructose malabsoption
due to lactose intolerance, enhanced by bacterial breakdown
due to inflammation secondary to microbial infection, IBD
22
Most starch digestion is carried out by
Pancreatic amylase
Trypsin
HCl
Salivary amylase
23
Net osmosis occurs whenever there an osmotic gradient is due to two reasons?
Nutrient uptake and active transport of solutes
Nutrient uptake and passive transport of solutes
Nutrient breakdown and passive transport of solutes
Nutrient breakdown and active transport of solutes
24
In Secretion of H
2
O & Electrolytes in intestines, __? of Cl- from interstitium into enterocytes
Tertiary active transport
Primary active transport
Osmosis
Secondary active transport
25
Why of the following statements about glycogen is true?
Highly branched
α-linkage between sugars
used as structural element in plants - indigestible
Broken chain polymers
26
Fructose carrier is only?
All of the answers
GLUT5
GLUT2
SGLT
27
Which of the following are Disaccharides?
Lactose and Fructose
Lactose and maltose
Glucose and Glucagon
Glucose and Fructose
28
Which of the following is
not
a monosaccharide?
Fructose
Starch
Glucose
Galactose
