A device that information can be written to is called

Digoxin is a paradoxical drug, which means:

A) its many effects on the lungs make it an effective bronchodilator. B) its many effects on the heart make it both an ineffective antiarrhythmic and an antidysrhythmic. C) its many effects on the heart make it both an effective antiarrhythmic and a potent prodysrhythmic. D) its many effects on the lungs make it an ineffective bronchodilator.

Which of the following thoracic ultrasound findings is consistent with the presence of a pneumothorax?

A. presence of gliding sign B. absence of A-lines C. presence of barcode sign D. presence of seashore sign