Magnesium has three naturally occurring isotopes: Mg-24 (78.99%, 23.985 amu) Mg-25 (10.00%, 24.986 amu) Mg-26 (11.01%, 25.983 amu) Calculate the average atomic mass of magnesium.  *Give numerical answer in correct significant figures.

A patient is able to perform a wheelchair-to-bed transfer safely but requires the PTA to stand close and provide verbal cues and occasional guarding to prevent loss of balance. Which level of assistance BEST describes this scenario?

A patient’s wheelchair seat is too narrow, causing excessive pressure on the greater trochanters. Which complication is the patient MOST at risk for?

Which of the following actions would MOST likely violate HIPAA regulations?

A patient can perform 75% of a bed-to-chair transfer independently, while the PTA provides physical support for the remaining 25%. Which level of assistance applies?

To allow a patient in a wheelchair to access countertops, what is the RECOMMENDED maximum height?

A patient who uses a wheelchair is transitioning to the bathroom independently. Which modification MOST improves safety?

A PTA is educating a patient’s family on home modifications for safety. For patients who occasionally need to transfer up a few steps, what is the minimum recommended tread depth to allow safe foot placement?

Why might it be inappropriate for Caroline Frank to roll onto her involved side to transition into sit after having hip replacement surgery 3 days ago?

Alicia Keys underwent a surgical procedure yesterday and has been referred for evaluation and treatment of mobility. The physical therapist has asked you to assess her vital signs, including pulse, before beginning any activity. Which of the following methods is MOST accurate for assessing her pulse?