What is a congenital condition in which tissue extends across the esophagus causing problems with swallowing?

Which of the following statements apply to the use of extrinsic PEEP for the purpose of minimizing auto-PEEP? I. Adding extrinsic PEEP requires less effort on behalf of the patient to trigger a breath. II. The addition of extrinsic PEEP only affects breathing circuit pressure and pressure in the airways. III. The use of extrinsic PEEP increases pulmonary compliance throughout the lungs

A. I, II only B. I, IV only C. I, II, III only D. I, II, IV only

Which of the following should stop the health care worker from collecting blood from a patient's arm vein?

a. heart bypass surgery b. mastectomy c. heart attack that occurred during the previous night d. low blood pressure