A muscle is recruited to respond to an emergency (a bear appears a few feet away from you in the woods).  Which of the following would be used first as a source of energy by the muscle fibers in that muscle?

Ion channels that open in response to change in membrane potential are called ________ channels.

What is a common reason why patients with COPD may suffer acute dyspnea during meal preparation?

Which of the following refers to a hernial protrusion of a sac-like cyst of meninges, spinal fluid, and a portion of the spinal cord with its nerves through a defect in the vertebral column?

The nurse is educating a patient and the family about different types of stabilization devices. Which statement by the patient indicates that the patient understands the benefit of using a halo fixation device instead of Gardner-Wells tongs?

You and your partner are dispatched to a residence for an “ill person.” When you arrive, you find that the patient, a 44-year-old man, does not speak English. There are no relatives or bystanders present who can act as an interpreter. You should:

The spread of HIV and hepatitis in the health care setting can usually be traced to:

You are transporting a 40-year-old male with respiratory distress. The patient tells you that he recently had a positive tuberculosis (TB) skin test and is currently being evaluated for possible TB. You should:

When decontaminating the back of your ambulance after a call, you should:

A 60-year-old man complains of chest pain. He is conscious and alert and denies shortness of breath. Which of the following questions would be the MOST appropriate to ask him?