The table shows that the pressure in the middle ear is less than 1 mmHg. Note that the pressure of 1 mmHg is equal to 133.3 Pa. It appears that the normal pressure in the middle ear can vary between 500 Pa and -2000 Pa.
Explain:
a) How is it possible to have negative pressure in the middle ear?
b) How the pressure values in the middle ear (between 500 Pa and -2000 Pa) are compatible with the functioning of the middle ear.

Maggie graphed the image of a 90 counterclockwise rotation about vertex a of . coordinates b and c of are (2, 6) and (4, 3) and coordinates b’ and c’ of it’s image are (–2, 2) and (1, 4). what is the coordinate of vertex a.

Mr rogers is 2 days postoperative of a thoracotomy of removal of a malignant mass in his left chest. his pain is being managed via epidural catheter with morphine. as the nurse assumes care of mr rogers, he is alert and fully oriented and states that his current pain is 2 on a 1 -to-10 scale. his vital signs are 37.8-92-12, 138/82. what are benefits of epidural versus systemic administration of opioids? the nurse monitors mr roger’s respiratory status and vital signs every 2 hours. what is the rationale for this frequent assessments? the nurse monitors mr rogers for what other complications of epidural anelgesis?

You are caring for a 52-year- old woman who has been prescribed a major antipsychotic (neuroleptic) agent. after explaining the potential side effect, the client refuses to take the medication. how would you feel about taking a major antipsychotic (neuroleptic) agent, realizing the many side effects that these medications can cause? for psychoactive medications to be effective, client adherence is essential. how would you respond to a client who continually fails to follow his or her medication regimen?