Which of the abdominal muscles is responsible for taking in a breath?
A. External oblique
B. Rectus abdominis
C. Transverus abdominis
D. Internal oblique
E. None of these choices is correct.
Answer: E
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The arachnoid mater is
a. the innermost meningeal layer. b. a delicate, richly vascularized meningeal layer that is "cobwebby" in appearance. c. a tough, inelastic membrane that covers the central nervous system. d. involved with the formation of cerebrospinal fluid. e. more than one of these answers is correct.
In the centrifuged sample of blood illustrated, number 2 indicates
A. leukocytes. B. leukocytes and platelets. C. platelets. D. plasma. E. erythrocytes.
The joint between the left and right parietal bones is called the ________.
A. coronal suture B. parietal joint C. lambdoid suture D. sagittal suture E. cranial joint
Which of the following is not true of a thoracic vertebra?
A) The body is more massive than those of cervical vertebrae but less than those of lumbar vertebrae. B) The spinous process is pointed and angled sharply downward. C) It usually has a facet at the end of each transverse process for attachment of a rib. D) The body has facets as points of articulation for ribs. E) It has a pair of transverse foramina.