Narrowing of arteries due to a buildup of fatty deposits is called ______.
a. coronary heart disease; myocardial infarction
b. myocardial infarction; heart attack
c. arteriosclerosis; atherosclerosis
d. atherosclerosis; arteriosclerosis
e. heart attack; coronary heart disease, while hardening of the arteries is called
Question 2
Sleep spindles are to sleep as delta waves are to sleep.
a. stage 1; stage 3
b. stage 3; stage 4 c. stage 2; REM
d. stage 1; REM
e. stage 2; stage 3