When one atom has a stronger attraction for shared electrons than the other atom, a(n) ________ covalent bond is formed.
A. nonpolar
B. polar
C. metallic
D. ionic
Answer: B
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Which organ has three layers of muscle: longitudinal, circular, and oblique?
A. Stomach B. Colon C. Liver D. Spleen
Which of the following is atrophy?
A. Some muscle is replaced by fibrous tissue. B. Muscle mass decreases with age. C. Our diet and lifestyle solely determine the rate and extent of muscle loss. D. Fat is deposited in muscle tissue and muscle fibers shrink.
Blood clots in the limbs put a patient most at risk for ________.
A. disseminated intravascular coagulation (DIC) B. septicemia C. thrombocytopenia D. pulmonary embolism E. hemophilia
The layer of loose connective tissue beneath the digestive epithelium is the
A) submucosal plexus. B) myenteric plexus. C) submucosa. D) muscularis mucosae. E) lamina propria.