The world's most frequently consumed stimulant is ________.

A. theophylline
B. theobromine
C. Ritalin
D. caffeine


Answer: D

Health & Biomechanics

You might also like to view...

Diagnostic tests or procedures

a. computed tomography scan b. endoscopy c. magnetic resonance imaging d. prognosis e. ultrasound

Health & Biomechanics

The suffix that means stone is ________.

Fill in the blank(s) with the appropriate word(s).

Health & Biomechanics

ovarian cyst : Cyst on an ovary that is usually __________ and asymptomatic, although in some cases it may cause pelvic pain and dysmenorrhea

Fill in the missing word in the definition for the key term.

Health & Biomechanics

Thought-stopping involves putting an immediate end to a particular stream of thoughts that may be stressful and replacing them with a more positive line of thinking

a. True b. False Indicate whether the statement is true or false

Health & Biomechanics