Blood supply to the brain forms a circular pathway called the
A. hepatic portal system.
B. jugular anastamosis.
C. circle of Willis.
D. brachiocephalic circle.
E. hypophyseal portal system.
Answer: C
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An abnormal shortening of a muscle that is not stimulated by the nervous system is called __________.
Fill in the blank(s) with the appropriate word(s).
Which of the light micrographs in the figure below shows the type of epithelial tissue that lines the kidney tubules?
a) A b) B c) C d) D e) E
Which of the following is not an example of a sagittal plane movement?
A. flexion B. hyperextension C. lateral flexion D. plantar flexion
Obstruction of the ________ will cause a more severe myocardial infarction (MI) than the obstruction of any of the others.
A. left marginal vein B. left coronary artery (LCA) C. circumflex branch D. posterior interventricular vein E. anterior interventricular branch