A patient who has lost one liter of blood is conscious with a patent airway, but her extremities are pale and cold to the touch. Vital signs are as follows: pulse is 130, respirations are 22 breaths/min and adequate, blood pressure is 74/56 mmHg, and SpO2 is 95% on room air. What is most needed by this patient to increase perfusion to the cells?
A) Increased blood pressure as a result of paramedics administering IV fluids
B) Administration of oxygen via nonrebreather mask
C) Increased number of red blood cells and plasma volume
D) Keeping the patient warm by covering her with a blanket
C) Increased number of red blood cells and plasma volume
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A) Fingertips B) Elbow C) Wrist D) Knee
The most common complaint(s) associated with a gynecologic emergency is (are):
A) Vaginal discharge B) Upper abdominal pain and vaginal bleeding C) Lower abdominal pain D) Nausea and vaginal discharge
The shaft of the syringe is called the ____________________.
Fill in the blank(s) with the appropriate word(s).
During the process of coherent scattering, an incident low-energy x-ray photon interacts with
a. a single inner-shell electron, ejecting it from its orbit. b. a single outer-shell electron, ejecting it from its orbit. c. an atom and may transfer its energy by causing some or all of the electrons of the atom to momentarily vibrate and radiate energy in the form of electromagnetic waves. d. a scattered photon of lesser energy, annihilating it.