Which of the following is considered the body's "first line of defense" when preventing infection and injury?

A) Chemotactic reactions
B) Anatomic barriers
C) Immune response
D) Inflammatory response


B

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Which payroll document is completed to determine the number of exemptions an employee has?

A) W-3 B) W-2 C) W-4 D) 941

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A 7-year-old child was riding his bike downhill and struck a parked car. He was thrown from the bike, impacting his head and back on the roadway. Presently, the patient is alert, oriented, and complaining of a severe headache. His airway is open and his breathing is adequate. A radial pulse is rapid and easily palpated, and his skin is cool and moist. After taking manual spine motion restriction of the head and neck, the EMT should:

A) Secure the patient to the long spine board B) Consider the need for supplemental oxygen C) Perform a rapid trauma exam and obtain vital signs D) Apply a cervical collar and place the patient on the cot

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Prokaryotic cells reproduce through a process known as:

a. mitosis b. meiosis c. binary fission d. sexual reproduction

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How does humidity affect the body's ability to cool?

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