Cancellous bone ______________________________________________
A. is found on the surface of bones and is organized by tubular units called osteons
B. resembles a sponge and the spaces are filled with red or yellow marrow, a soft connective tissue
ANS: B
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Your patient is a 48-year-old female who is alert and oriented after a possible seizure. Her friends state they witnessed her slump to the floor and "shake" for about 15 seconds. She awoke in less than 1 minute and was "a bit groggy" for a few minutes. She does not believe she had a seizure but thinks she may have fainted. Which of the following questions is least important when differentiating seizure and syncope?
A) "Are you allergic to any medications?" B) "What kind of medications do you take?" C) "Do you have a history of seizures?" D) "What happened just before the event?"
PJC and junctional tachycardia are similar in that
A) both require electrical shock to the heart. B) both have heart rates less than 40. C) both have regular but interrupted regularity. D) both can have hidden P waves.