Cholesteatoma, eustachian tube dysfunction, neoplasm, or congenital malformation of the middle ear may block airflow to the mastoid and cause chronic ________

A. mastoiditis B. labyrinthitis


ANS: A

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For the Ishihara test, the patient is shown 14 color plates or pages and must correctly identify ________ to be considered to have color vision within normal limits

a. 7 b. 10 c. 12 d. 14

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A patient has swelling and deformity in her right upper thigh after a motor vehicle crash. You are concerned about an injury to which bone?

A) Humerus B) Patella C) Clavicle D) Femur

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What is considered normal for the PaO2/FiO2 ratio?

a. Greater than 50 b. Greater than 150 c. Greater than 250 d. Greater than 400

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Which of the following is used at the end of a word root to change the meaning of a word?

A) Prefix B) Suffix C) Combining form D) Word root

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