Nutrition and Ethics Flashcards

1
Q

Define diet

A

The sum of all the foods ingested

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Define nutrients

A

Chemical composition of all foods ingested

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Define food

A

The individual foods ingested

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is the requirement for nutrients defined as ?

A

The amount of nutrients needed for sustain life and prevent a deficiency

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What 3 things make up demand ?

A

Basal requirements
Mechanical work
Substrate turnover

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What things change demand ?

A

Temperature
Exercise
Growth
Processing dietary intake

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Define basal metabolic rate

A

Requirements needed to stay alive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

How is basal metabolic rate measured ?

A

Can be measured directly by direct calorimetry but usually calculated.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Define nutritional failure

A

The failure to meet the nutritional requirements of the body

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Define malnutiriton

A

A state of nutrition in which a deficiency causes measurable effects on the body

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Which cancers is obesity linked to ? (2)

A

Breast and bowel cancer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

BMI <20 ?

A

Underweight

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

BMI <18 ?

A

Causes physical impairment

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Define over-nutrition

A

Intake of nutrients is over supplied

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Define under-nutrition

A

Intake of nutrients is under supplied

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Which scale is used to screen for malnutrition ?

A

MUST - Malnutrition Universal Screening Tool

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Describe the 3 steps of MUST

A

Step 1
BMI
<20 score
<18 score 2

Step 2
Weight loss in the last 3-6 months
5% score 1
10% score 2

Step 3
Has the patient eaten in the last 5 days ?
No score 2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What score of the MUST screening tool suggests risk of malnutrition and in need or serious intervention ?

A

2 or more

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What score of the MUST screening tool suggests concern and need of supplements ?

A

1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What score of the MUST screening tool suggests need for monitoring ?

21
Q

Why are those who are under nourished at risk in hospital ?

A

Impaired wound healing
Impaired immune system
Reduced muscle strength
Lower mood

22
Q

What are the 3 causes of undernutrition ?

A

Intestinal failure
Appetite failure
Access failure - stroke, teeth, obstruction

23
Q

Define short bowel syndrome

A

A group of disorders that are related to poor absorption of nutrients

24
Q

Define ethics

A

The study of moral standards and how they effect conduct

25
What are the 4 medical ethical principles ?
Justice Autonomy Beneficence Non-Maleasance
26
Define justice
Treating everyone equally
27
Define autonomy
Allowing the individual to decide what is best for them and what they want
28
Define Non-maleficence
Do no harm
29
Define beneficence
Doing good and what's best always. Promoting patient wellbeing
30
What is mental incapacity ?
Being unable to act, make decisions, understand or communicate decisions and remember which ones were made.
31
What is basic care classed as ?
Food and fluids. Basic care is needed to make the individual comfortable.
32
What is treatment classed as ?
In most basic forms anything un-natural e.g. feeding tubes
33
What should you agree on when trialling treatment ?
What is the treatment ? How long ? What is the end point ? What will help you make the decision/targets ?
34
Define somatisation
The manifestation of psychological distress by the presentation of physical symptoms
35
What may cause functional symptoms ?
Gut hormones Gut microbiome Change in diet Psychological factors
36
Which 4 groups of medications can cause GI symptoms ?
Opioids Antidepressants Anticholinergics Cocaine
37
What are the appropriate investigations for functional bowel symptoms ?
Coeliac blood tests/biopsy H.pylori status Endoscopy/colonoscopy USS
38
What is re-feeding syndrome ?
Reintroduction of carbohydrates into the diet when there is reduced insulin secretion. Main sources of energy are fat and proteins.
39
How does re-feeding syndrome present ?
Sharp rise in insulin and lethargy is common. | Arrhythmias and seizures seen.
40
How do you combat re-feeding syndrome ?
Start slowly and increase amount of carbohydrates given. Thiamine should be given 30 minutes beforehand and fluid depletion should be corrected. Potassium, magnesium and phosphate needed.
41
What happens to phosphate levels in re-feeding syndrome ?
Rapidly taken up into cells and used so levels decrease.
42
What is a binge eating disorder ?
A person binges, gains weight and fails to compensate
43
What is Bulimia Nervosa ?
Binges, purges and then restricts. Normal or near normal weight.
44
What is Anorexia Nervosa ?
Significant weight loss due to restriction. Over exercising is common and amenorrhoea seen in young females.
45
Why is an MDT approach in a health care setting beneficial ?
Reduces delays Integrates care Improves outcomes
46
Define precision medicine
Treatments tailored to the individual patient based on their predicted response or risk of disease.
47
Define realistic medicine
Putting the patient at the centre of decisions about their care
48
Which members of the health care team are present at MDT meetings ?
``` Gastroenterologists Oncologist Pathologists Surgeons Clinical nurse specialists Radiologists ```