Narrowing in the lumen of a blood vessel is termed

Which of the following would clearly be detrimental to a patient in cardiac arrest?

A) Ventilating just until the chest rises B) Performing CPR before defibrillation C) Interrupting CPR for more than 10 seconds D) Ventilating without supplemental oxygen

Which of the following is probably the most common route of local anesthesia?

A) epidural B) spinal C) topical D) infiltration