MHS Flashcards

(44 cards)

1
Q

How is cystic fibrosis passed on?

A

Recessively inherited Mendelian single gene disorder

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2
Q

How is Huntington’s disease passed on?

A

Dominantly inherited Mendelian disease

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3
Q

What is the most common of all inherited colon cancers and how is it passed on?

A

Hereditary nonpolyposis colorectal cancer (HNPCC)

Dominantly inherited

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4
Q

What are the five stages of grief?

A
Denial
Anger
Bargaining
Depression
Acceptance
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5
Q

Which country has the highest birth rate in women aged 15-19?

A

USA

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6
Q

What are the common causes of premature death in younger (

A
Cervical cancer
Ischaemic heart disease
Suicide
Violence/assault
Homicide
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7
Q

In the hierarchy of evidence what is highest?

A

A meta-analysis and systematic reviews containing 2 or more randomised control trials

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8
Q

In the hierarchy of evidence, what is second best?

A

Randomised control trials

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9
Q

In the hierarchy of evidence, what is least favoured?

A

Case series and expert opinions

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10
Q

Where in he hierarchy of evidence do observational studies rank?

A

4th out of 5

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11
Q

What can observational studies be subcategorised into?

A

Descriptive

Analytical

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12
Q

Name a descriptive observational study.

A

Case series

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13
Q

What are the four analytical observational studies?

A

Ecological
Cohort
Case control
Cross sectional

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14
Q

What are the two most reliable observational studies?

A

Cohort, followed by case-control

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15
Q

What is a case-control study?

A

Starts with cases.
Control are from the same population but do not have the disease
The question regarding the exposure under investigation

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16
Q

What are case-control studies good for determining?

A

Cause of a disease

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17
Q

What are cohort studies good for determining?

A

Outcome of a certain exposure, e.g. a drug

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18
Q

What are the strengths of a case-control study?

A

Investigation of a rare disease
Study of multiple exposures and determinants
Quick and cheap
Investigate long latent periods

19
Q

What are the weaknesses of a case-control study?

A

Recall bias
Selection bias
Confounding factors

20
Q

What is a cohort study?

A

Start with group of people free from disease
Classify into groups according to exposure to potential cause of a disease or outcome
Follow up and identify who goes on to develop disease

21
Q

What are the strengths of a cohort study?

A

Investigate rare causes
Testing multiple effects of a cause
Measurements of tome relationship
Direct measurement of incidence

22
Q

What are the weaknesses of a cohort study?

A

High probability of loss to follow up
Lengthy and costly
There are relative risks and attributable risks

23
Q

What is a beta (type II) random error?

A

Where study concludes that something isn’t better, though in truth it is

24
Q

What is an alpha (type I) random error?

A

Where a study concludes that something is better, though in truth it isn’t

25
What are systematic errors?
Biases in measurements which lead to a situation where the mean of many separate measurements differs significantly from the actual value of the measured attribute
26
What is selection bias?
A statistical bias where there is an error in choosing the individuals or groups to take part in a scientific study
27
What is exclusion bias?
Where particular groups are excluded from the sample
28
What is reporting bias?
The selective revealing or suppression of information by subjects, e.g. PMH, smoking
29
What is the difference between the number of people that die by suicide and those that die by RTA?
Twice as many people die by suicide than road accidents
30
In sociology, what four types of suicide were identified (Durkheim) and briefly explain each one?
Egoistic - self-centred (under integration) Altruistic - for the good of others (over-integration) Anomic - social isolation (under-regulation) Fatalistic - no choice (over-regulation)
31
What is associated with suicide?
``` Drug and alcohol abuse Affective disorders Thought disorders Anxiety disorders Problems in social relationships Physical health problems ```
32
What are the typical features of a "completer" of suicide?
Tend to be older and male Use lethal methods Tend to die in first attempt
33
What are characteristic of an "attempter" of suicide?
More likely to be female Seeking help Use non-fatal methods, such as over-dose
34
What did Safinofsky (2005) show about "attempters" of suicide?
Overwhelming majority of attempters never kill themselves
35
What are the stages of change, set forth in the Stages of Change Model?
``` Precontemplation Contemplation Preparation Action Maintenances Relapse ```
36
What two countries have the highest rates of suicide?
Hungary and Finland
37
What is the suicide ratio of male to female?
3:1 (male:female)
38
Is suicide higher in younger or older people?
Younger people
39
What are the top three most common methods of suicide in men?
Hanging Overdose Carbon monoxide poisoning
40
What is the most common method of suicide in women?
Overdose
41
What are four chronic life difficulties that can lead to self-harm?
Health Housing Finance Relationships
42
What percentage of 'self-harmers' commit suicide within 12 months and also within 8 years?
1-2% within 12 months | 3% at 8 years
43
How common is repetition of deliberate self-harm, and when is it most likely to occur?
Approximately 15% self harm again | Most repeats happen in first 3 months following first episode
44
What are the three main issues that need to be assessed in patients following deliberate self-harm?
Immediate risk of suicide Subsequent risk of further DSH or suicide Any current medical or social problems