A connective tissue sheath around cartilage is the ________.
A. ligament
B. endosteum
C. epiphyseal line
D. perichondrium
E. periosteum
Answer: D
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Enzymes are often useful as diagnostic tools. How?
A) The liver releases enzymes that accumulate in the urine. B) Enzymes destroy pathogenic bacteria so blood levels of bacteria decline. C) Damaged cells release enzymes into the blood that can be detected. D) Enzymes destroy damaged cells so X-rays reveal smaller body organs.
Which of the following statements about enzymes is FALSE?
A. Enzymes are consumed during a chemical reaction. B. Enzymes decrease the free energy of activation of specific reactions. C. Enzymes have unique pH and temperature optima. D. Enzymes increase chemical reaction rates.
When two pairs of electrons are shared between two atoms, a ________ bond is formed.
A. quadruple ionic B. double covalent C. double ionic D. single covalent
A 9-year-old girl has crashed into her neighbor's brick fence while riding her bike and is brought to the emergency department Chapter 5 Abdomen 235 236 BRS Gross Anatomy with a great deal of abdominal pain. Her radiogram and angiogram show laceration of the superior mesenteric artery immediately distal to the origin of the middle colic artery. If collateral circulation is discounted, which of the following organs may become ischemic?
(A) Descending colon (B) Duodenum (C) Pancreas (D) Ascending colon (E) Transverse colon