[ Cardiology Services ]
An EKG is a procedure that uses __________ to assess the function of the heart.
A. sound waves
B. electricity

Random Topics:
Conditionals Type IDefinite pronouns (Subject, Object, Reflexive)WH- Question WordsPrepositions of Place & TimeArticles & PrepositionPresent and Past TensesVerb to havePreposition and Word FormQuantifiers MixGrammar and SyntaxOther quiz:
Comparative & Superlative Adverbs › ViewNowadays I ____________________ buy books online. I want to support book stores. (- often)
A. more often
B. most often
C. less often
D. least often
Grammar › View
Marcela always wears _______ in bed – even in the summer.
A. shorts
B. tracksuit
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Phrase or Clause › ViewThe old hangout spot
A. Phrase
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Phrasal Verb › View
Emperor penguins ______ Antarctica.
A. grow into
B. begin to
C. live in
D. try to
