A16-year-old female presents to clinic complaining of worsening fatigue. family history is significant for hypothyroidism and heavy periods in the grandmother. her exam reveals mild tachycardia and oozing around a recent piercing, but is otherwise normal. labs reveal hgb 8.5 g/dl, mcv 58, pt 12.5, ptt 44, and low von willebrand factor activity. which of the following is the most appropriate treatment for her underlying disorder?
a. blood transfusion and iron supplementationb. desmopressinc. factor viii concentrated. cryoprecipitatee. vitamin k

In which way does nicotine cause addiction? by stimulating the brain's pleasure center by increasing blood-sugar levels by decreasing dopamine levels by reducing depression and anxiety

Which of the following is true of vegans?

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?