Lisa is beginning a weight-training program to firm up and gain muscular strength. she has decided to do some cycling or treadmill jogging to warm up, stretch before the workout and lift weights that isolate each muscle group in her body. she'll take the time to stretch before she leaves the gym. she is so dedicated that she is going to do this workout every day. after doing this for a few months, what may be the biggest concern?

a. lisa could experience burnout from spending so much time in the gym.
b. lisa could become obsessed with how she looks.
c. lisa might lose her friends because she is devoting too much time to working out.
d. lisa might experience symptoms of overtraining, like weight loss and increased irritability.

A24-year-old g4p2 woman at 34 weeks gestation complains of a cough and whitish sputum for the last three days. she reports that everyone in the family has been sick. she reports a high fever last night up to 102°f (38.9°c). she denies chest pain. she has a history of asthma with no previous intubations. she uses an albuterol inhaler, although she has not used it this week. vital signs are: temperature 98.6°f (37°c); respiratory rate 16/minute; pulse 94 beats/minute; blood pressure 114/78; peak expiratory flow rate 430 l/min (baseline documented in the outpatient chart = 425 l/min). on physical examination, pharyngeal mucosa is erythematous and injected. lungs are clear to auscultation. white blood cell count 8,700 mcl; arterial blood gases on room air (normal ranges in parentheses): ph 7.44 (7.36–7.44); po2 103 mm hg (> 100); pco2 26 mm hg (28–32); hco3 19 mm hg (22–26). chest x-ray is normal. what is the correct interpretation of this arterial blood gas?