Which laryngeal cartilage is primarily responsible for preventing food, liquids, and foreign bodies from entering the lower airways?

The EKG is a recording of the

A) brain's electrical activity. B) heart's electrical and mechanical activity. C) heart's mechanical activity. D) heart's electrical activity.

What happens if a provider does not provide an itemized statement to the Medicare beneficiary upon his/her request within thirty days?

A. Nothing because providers are not required to provide Medicare beneficiaries itemized statements. B. The practice is closed for failure to respond. C. The provider may be fined $100 per outstanding request. D. The Medicare beneficiary is required to request an itemized statement again after thirty days.