In order to prevent injury during your weight-training session, it is necessary to
a. do performance testing prior to setting up your workout routine, stretch before and after each workout, get the proper amount of rest and nutrition, and modify your workout as needed
b. have your friend check your workout to be sure it is well-designed, exercise only three days a week, and allow for adequate rest between workouts
c. never change your workout routine, stretch before and after each workout, allow time to warm up and cool down, and adjust your form as needed
d. use slow bouncing movements to warm up and stretch before each workout, follow a plan that includes proper sets and repetitions, adjust your workout and form as needed, and workout every day

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?