Which of the following cell structures are tubular and usually found in pairs?

Which of the following statements concerning insulin pumps is false?

a. They have an external on/off button. b. They are implanted in the patient's chest. c. They supply insulin via a catheter. d. They are commonly found on a patient's belt.

Following a head injury, a young female is semiconscious and is bleeding from the nose and left ear. You should:

A: place a pressure dressing over her ear to prevent blood loss. B: control the bleeding from her nose by pinching her nostrils closed. C: insert a nasal airway to keep her tongue from blocking the airway. D: cover her ear and nose with a loose gauze pad to collect the blood.