A mild brain injury is commonly known as a(n) ________.
A. ischemic attack
B. hemorrhage
C. blood clot
D. concussion
Answer: D
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There are four types of papillae on the tongue. Select the exception.
A. Papiform B. Vallate C. Foliate D. Fungiform E. Filiform
Which of the following is NOT a tissue layer found in the skeletal bone?
A) Periosteum B) Bone marrow C) Enamel D) Cancellous bone
What changes in the blood levels of respiratory gases result from hyperventilation?
A. Oxygen and carbon dioxide levels rise. B. Oxygen and carbon dioxide levels fall. C. Oxygen levels rise and carbon dioxide levels fall. D. Oxygen levels do not change but carbon dioxide levels fall.
Which leukocytes are active phagocytes?
A) neutrophils and monocytes B) lymphocytes and monocytes C) eosinophils and basophils D) reticulocytes and erythrocytes