What is the final magnification of an image if the ocular lens is 15´ and the objective lens is 50x?

Medial thigh muscles are mainly innervated by the:

a. Obturator nerve b. Femoral nerve c. Tibial nerve d. Common fibular nerve

You are caring for a child with muscular dystrophy who is on a home ventilator. The boy's father called 911 after noticing his son repeatedly attempting to cough—something that is atypical for this patient. The father states that he believes the child's tracheostomy tube may be dislodged, and he is unsure what to do. Your assessment reveals that the inner cannula appears to be dislodged. Which

of the following is your best course of action? A) Detach the home ventilator, orally intubate the trachea, and reattach the ventilator to the ET tube. B) Deflate the cannula cuff and remove the cannula, then hyperventilate the patient. C) Transport, with an early alert that a respiratory therapist will be needed. D) Attempt to reposition the inner cannula with sterile Magill forceps.