Quiz 5

1. 1
   What are types of bias affecting the "internal validity" of a study?
   

   1. Aselection bias (creating groups with different confounders; solved by randomization)
   2. Bperformance bias and detection bias (investigators respectively treating or assessing more positively those subjects on the treatment arm; controlled by blinding interventions and outcome assessments);
   3. Cattrition bias (dropouts of subjects with a negative outcome not included in the final result)
   4. Dall of the above
2. 2What types of bias affect the "internal validity" of a study?
   
   
   
   
   

   1. Aselection bias (creating groups with different confounders; solved by randomization)
   2. Bperformance bias and detection bias (investigators respectively treating or assessing more positively those subjects on the treatment arm; controlled by blinding interventions and outcome assessments)
   3. Cattrition bias (dropouts of subjects with a negative outcome not included in the final result)
3. 3Which symptoms can be associated with a depressive episode?
   1) Insomnia
   2) Disinhibition
   3) Weight loss
   4) Anhedonia
   5) Psychomotor retardation
   

   1. A1. All are correct
   2. B2. 1, 3, 4 and 5 are correct
   3. C3. 1 and 2 are correct
   4. D4. 2, 3, 4, are correct
   5. E5. 3 and 4 are correct
4. 4The panic attack is
   

   1. A5. a severe psychiatric disorder
   2. B1. can only be found in panic disorders
   3. C2. perilous
   4. D3. a risk factor for panic disorder
   5. E4. lasts for a few seconds
5. 5The attrition (=failure) rate from first in man to registration of a drug in medicine is typically ...
   

   1. A50%
   2. B30%
   3. C90%
   4. D99%
   5. E20%
6. 6The prevalence rate of panic disorder is:

   1. A20-30%
   2. B1%
   3. C0,2-0,5%
   4. D10-15%
   5. E3-5%
7. 7Posttraumatic stress disorder is in most cases not associated with
   

   1. AAvoidance of stimuli associated with the trauma
   2. BNightmares
   3. CHyperarousal
   4. DFlashbacks
   5. EDelusions
8. 8Manic-depressive mixed states are
   

   1. A1. More often associated with a good prognosis than pure episodes
   2. B2. Easy to treat
   3. C3. A combination of 2 depressive and 4 manic symptoms
   4. D4. Characterized by fluctuations in mood symptoms of opposite polarity
   5. E5. More frequent in men than in women

Descripción

quiz 4

Autor

Ivette Martorell Serra

Idioma

English

Visitas

12

Etiquetas

clinical neurosciences

Valoración

Aún sin valoraciones

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