The size difference between the tympanic membrane and the oval window causes vibrations to
A) amplify.
B) change tone.
C) become more frequent.
D) become faint.
E) None of the answers are correct.
A) amplify.
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The different types of muscle tissue differ from each other by
a) microscopic anatomy. b) location. c) type of Control. d) both microscopic anatomy and location. e) All of these choices are correct.
Which of the following statements is not true of ribs?
a. All ribs attach to vertebrae. b. All ribs attach to the sternum. c. There are three pairs of false ribs. d. All of the above are true of ribs.
In the centrifuged sample of blood illustrated, number 2 indicates
A. leukocytes. B. leukocytes and platelets. C. platelets. D. plasma. E. erythrocytes.
When bone forms by intramembranous ossification, the ossification centers are within
A. elastic cartilage. B. compact bone. C. hyaline cartilage. D. spongy bone. E. mesenchyme.