A fractional or double void specimen is used to compare concentrations of ____, such as glucose and ketones.

You have been called to a New Year's party for a male patient who was stabbed in the anterior chest. According to partygoers, the patient went outside with another male and was stabbed. Fifteen minutes later, he was found in the snow and 911 was called. When assessing this patient, what finding would you consider most serious and warrant immediate attention?

A) Complaint of a worsening headache B) Capillary refill of 3 seconds C) Decreased breath sounds to the left lung D) Pain and bruising to the left thigh

Which of the following provide(s) an acceptable estimate of the correct size of endotracheal tube for a pediatric patient? 1. The patient's age in years plus 16, divided by 4 2. The diameter of the little finger 3. A length-based resuscitation tape 4. The child's age in years plus 1

A) 1 and 2 B) 1, 2, and 3 C) 3 and 4 D) 1, 2, 3, and 4