A single axon of a motor neuron branches within the perimysium to form fine branches that end at an expanded:
A) motor end plate. B) synaptic cleft. C) synaptic terminal. D) None of the above.
C
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You are dispatched to a local mall, where you are met by bystanders who state that the patient was talking to a customer representative when she "passed out." You find an alert and oriented 55-year-old female patient lying supine on the tile floor. The patient tells you that the back of her head is hurting, her neck now hurts, and her arms and legs feel very weak. Which action should you perform first?
A) Open her airway with a jaw-thrust maneuver B) Obtain a full set of vital signs C) Take manual cervical spine motion restriction D) Assess the back of the patient's head for injury
An 80-year-old female with a diagnosis of pneumonia was admitted to the hospital 2 days ago from a nursing home
The patient is responsive only to painful stimuli. She has a peripheral IV and a feeding tube in place. Physical examination reveals: pulse 98 beats/min; respiratory rate 24 breaths/min and shal-low; blood pressure 100/48 mm Hg; and temperature 39.2° C. Auscultation reveals decreased breath sounds with crackles in the bases. The patient has an occasional weak, nonproductive cough. Arterial blood gas on NC 4 L/min is pH 7.42, PaCO2 38 mm Hg, PaO2 40 mm Hg, SaO2 76%, HCO3? 24 mEq/L. A portable chest X-ray shows patchy basilar infiltrates in both lungs. The most appropriate action to take at this time is which of the following? a. Intubate and initiate mechanical ventila-tion. b. Administer a bronchodilator and muco-lytic. c. Initiate noninvasive positive pressure ven-tilation. d. Change the nasal cannula to a nonre-breather mask.
The applications of mechanical principles to living organisms, particularly to human movement
What will be an ideal response?
A closed, or contained, multiple-casualty incident is a situation that:
A) does not have the potential to grow in size or complexity. B) involves no more than 10 patients who are critically injured. C) does not require mutual aid assistance from other agencies. D) is not expected to produce more patients than initially present.