The ________ acts as a preamplifier that enhances the sensitivity of hearing
A) pinna
B) inner ear
C) middle ear
D) eardrum
A
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What is the hematocrit?
A) The concentration of platelets found in a blood sample B) The mass percentage of blood made up of red and white blood cells C) The ratio of the number of white blood cells to the number of platelets D) The volume of whole blood occupied by packed red blood cells
A patient with head, neck, and back pain has just been fully immobilized to a long backboard. Which of the following instructions should you provide to your team next?
a. "Loosen the collar so you can palpate the back of the neck." b. "Maintain manual in-line spinal stabilization until he is on the stretcher." c. "Check for CMS before we move him to the stretcher." d. "Remove the chest straps so he can breathe more easily now that his head and legs are secured."
Which of the following is a type of central processing unit (CPU)?
Microprocessor Motherboard Modem Software
Which is a disadvantage of using ultraviolet (UV) irradiation as a means of disinfection?
a. The rays can kill selective vegetative bacteria, fungi, and lipoprotein viruses. b. UV rays may cause skin burns. c. UV rays produce nonionizing radiant energy. d. Pathogens have effective contact with the UV rays for destruction.