During the process of wound healing, hemostasis:
A) permanently stops the wound from bleeding and facilitates healing.
B) is a physiologic process in which the body's platelets are destroyed.
C) occurs when the bone marrow transiently produces more red blood cells.
D) temporarily stops bleeding via vasoconstriction and platelet aggregation.
Answer: D) temporarily stops bleeding via vasoconstriction and platelet aggregation.
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There are ________ platelets per cubic millimeter of the blood
a. 200 to 300 b. 2,000 to 3,000 c. 20,000 to 30,000 d. 200,000 to 300,000
You are active in your local rural rescue squad as a paramedic. Your small town of 500 people does not have a hospital. There is a small community hospital 25 miles away and a large urban hospital 70 miles away. Recently, you have had two chest pain patients go into cardiac arrest and die after reaching the local community hospital, which does not have a cardiac catheterization lab or
fibrinolytic therapy available. Given your rural setting, which of the following should you suggest to the medical director and rescue squad council as a solution? A) Allow paramedics with the rescue squad to perform 12-lead ECGs and carry bedside cardiac marker assays, heparin, and fibrinolytics. B) Suggest fund-raising activities to build a cardiac catheterization lab at the community hospital. C) Develop a general protocol that states that all patients with chest pain of suspected cardiac origin should be transported directly from the scene to the urban hospital 70 miles away. D) Develop a general protocol that states that all patients with chest pain of suspected cardiac origin should be transported to the community hospital for evaluation by the nurse practitioner before transporting to the urban hospital.
Which of the following medical gases support combustion? 1. O2 2. N2O 3. Compressed air 4. CO2
a. 1 and 4 only b. 2 and 3 only c. 1, 2, and 3 only d. 1, 3, and 4 only
Which hormones are made of amino acids and do not cross cell membranes easily?
A. Gonadal B. Prostaglandins C. Steroidal D. Adrenal E. Nonsteroidal