Misc

Question 1

BMI =

Answer 1

weight in kg / (height in meters)^2

Question 2

normal BMI, obese, morbidly obese

Answer 2

18.5-24.9, >30, >40

Question 3

What brain waves are associated with each stage of sleep?

Answer 3

BATS Drink Blood
Awake & alert           - Beta
Awake (eyes closed) - Alpha
I. light sleep              - Theta
II. deeper sleep          - Sleep spindles, K-complexes
III. deepest non-REM - Delta
REM                        - Beta

Question 4

Serotonergic predominance of the ______ is key to initiating sleep.

Answer 4

Raphe nucleus

Question 5

What is the primary neurotransmitter in REM sleep?

Answer 5

ACh

Question 6

What part of the brain controls the circadian rhythm?

Answer 6

Suprachiasmatic nucleus of the hypothalamus. (SCN)

Question 7

What is the relationship between p-value and sample size?

Answer 7

A high p-value (e.g. >0.05) may indicate a small sample size. High p-value means low power.

Question 8

This test checks the difference between the means of 2 groups.

Answer 8

t-test

Question 9

Test that checks the means between 3 or more groups

Answer 9

ANOVA

ANalysis Of VAriance of 3 or more variables

Question 10

checks the difference between 2 or more percentages or proportions from categorical outcomes.

Answer 10

chi-squared