The simple way to check for airflow is to see if you can feel the airflow at a distance of about ____ from each register.

Duct systems can be plenum, extended plenum, reducing plenum, or perimeter loop.

One reason for using an extended plenum system is to ____.

The duct pressure equals the velocity pressure plus static pressure.

Airflow pressure in ductwork is measured in inches of ____.

To fasten a duct hanger strap to a floor joist, the nail used would be a ____.

To secure a flexible duct onto a duct collar, the best fastener would be a(n) ____.

For fastening two pieces of rough lumber together, the nail used would be a ____.

The nurse is caring for a hospitalized preschool aged child who says “My teddy bear is scared”. Which of the following is the child demonstrating?  

The nurse assesses an infant who has stronger pulses in the upper extremities than in the lower extremities and higher blood pressure readings in the arms than in the legs.  These findings are indicative of which heart defect?