What is the heart's response to stimulation of the vagus nerve?
A. It contracts with greater force.
B. It speeds up.
C. It slows down.
D. It beats more regularly.
Answer: C
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A 57-year-old male patient has fallen 20 feet while setting up holiday lights on his roof. He impacted the ground feet first and has suffered open fractures to both tibias, with both bones protruding through the skin. Your assessment reveals him to be responsive to painful stimuli. His airway is open, his breathing is rapid, and his radial pulse is weak. The skin is cool and diaphoretic. Vital
signs are: pulse 132, respirations 24, and BP 106/90 mmHg. According to family, he has no medical history. Your partner is providing positive pressure ventilation. At this point in the patient's care, it is a priority for you to: A) cover the patient with a blanket. B) look for other injuries. C) notify the hospital. D) immobilize the fractures.
Which of the following are the most common sites for the percutaneous sampling of arterial blood for blood gas analysis?
1. Earlobe 2. Radial artery 3. Brachial artery 4. Side of the heel a. 1 and 2 c. 3 and 4 b. 2 and 3 d. 1 and 4
Explain why different food pyramids may be necessary for various cultures
What will be an ideal response?
Which flow pattern occurs in airways at low flow rates and low pressure-gradients?
A. turbulent flow B. laminar flow C. tracheobronchial flow D. transitional flow