A skier wiped out while skiing down a large hill. He is conscious and alert and complains of being very cold; he also complains of neck stiffness and numbness and tingling in all of his extremities. A quick assessment reveals that his airway is patent and his breathing is adequate. You should:
A) perform a detailed neurologic exam and carefully palpate his neck.
B) apply a cervical collar and start an IV line with warm normal saline.
C) immobilize his spine and quickly move him to a warmer environment.
D) administer oxygen and perform a detailed secondary assessment.
Answer: C) immobilize his spine and quickly move him to a warmer environment.
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Some flat and irregular bones of the skull have air-filled spaces called ________.
A. trabeculae B. lacunae C. medullary cavities D. epiphyseal spaces E. sinuses
Systemic blood vessels transport blood
A. from the left ventricle through the body to the left atrium. B. from the left ventricle through the body to the right atrium. C. from the right ventricle through the body to the left atrium. D. from the right ventricle through the body to the right atrium. E. from the left ventricle to the lungs.
Which of the following is a sex-linked condition that more often affects males?
A) conjunctivitis B) color blindness C) night blindness D) glaucoma E) cataracts
The trigone is
A. a region where the glomerulus meets the glomerular capsule. B. a group of three neighboring nephrons in a kidney. C. a triangular area on the floor of the urinary bladder. D. a muscle layer that surrounds each kidney.