Given that one of the angles in a triangle is 60°, select the correct option for each statement.
Cannot be true Might be true
Must be true
(i)
The triangle
is scalene
A
B
С
(ii)
The other two angles
add up to 120°
А
B
С
A
B
The other two angles
of the triangle
are obtuse
The triangle is
right-angled
С
(iv)
A
B
С

Aresearch study is studying the effects of a new drug for osteoporosis alzheimer's disease (ad) for women above the age of 65 years. a group of individuals with osteoporosis is randomized into two groups. one group is treated conventionally, and the second group is treated with the new medication. assessments are made at 3, 6, 12, 36, and 48 months. the conventionally treated group is assessed for ad using a serum blood test, and the treatment group is assessed for ad using a pet radiotracer that binds to beta-amyloid plaques. in comparing these 2 trial arms, the authors of the study may encounter which type of bias? a. selection bias on the risk of developing b. measurement bias c. confounding bias d. recall bias e. lead-time bias