A32 year old g1p0 at 33 weeks ega comes into the emergency department complaining of a severe headache. she has contractions every 3 minutes. she is experiencing flashes of light in front of her eyes. her pregnancy has been uncomplicated until this time, and her only medical problem is mild asthma. her vital signs are: t 36.5 c (97.7 f), bp 172/114, p 78, r 14, and a room air spo2 99%. her lungs have bilateral crackles at the bases, and her cervix is dilated at 3 cm and effaced at 50%. her urinalysis has 2+ protein, and her complete blood count shows: wbc 8,000/mm3, hematocrit 38%, platelets 215,000/mm3. her bun and creatinine are normal, her ast is 250 u/l, and her alt is 316 u/l. the electronic fetal monitor shows a reactive and variable heart tracing at a rate in the 150s. what is the appropriate next step in management for her?

A92-year-old man with a 45-year history of chronic obstructive pulmonary disease is intubated in the icu because of a bout of viral pneumonia that fails to improve after 72 hours of antibiotics. although the inspired fraction of oxygen is 100%, the patient's po2 remains at 57 mmhg. positive-end expiratory pressure (peep) is added to allow the inspired fraction of oxygen. twelve hours after the introduction of peep the patient suddenly become hypotensive. at the same time, his oxygen saturation drops from 92% to 61%. on physical examination, his bp is 80/50 mmhg and his pulse is 124/min. he has distended neck veins and distant heart sounds. which of the following would also most likely be seen on this patient's physical examination? - absence of breath sounds in the right hemithorax- high amplitude carotid artery upstroke- a pleural friction rub- pulsus alternans- splenomegaly

Which statement is false? a. an extinction burst is the complete cessation of the target behavior after the extinction procedure has started. b. extinction procedures should not be used with behaviors that cause serious injury to the subject. c. if the behavior analyst does not have the ability to control the subject's access to reinforcement, an extinction procedure should not be implemented. d. spontaneous recovery of the target behavior will be short-lived, as long as the extinction procedure remains in effect

Most of the phosphorus on earth comes from ?