Miscellaneous

Question 1

T-test compares

Answer 1

Compares two means

Question 2

Analysis of variance (ANOVA) compares

Answer 2

Compares three or more means

Question 3

Chi-squared test compare

Answer 3

Percentages for proportions; non-numeric or nominal data

Question 4

Prehns sign

Answer 4

Pain relieve with elevation of testicules.

Positive prehns in epididymitis but negative in testicular torsion

Question 5

High mixed venous oxygen saturation in the setting of hypotension a suggestive of

Answer 5

septic shock.
Mixed venous oxygen saturation is high due to hyperdynamic circulation and improper distribution of cardiac output and inability of tissues to extract adequately oxygen