The process of bone repair includes these steps: a: Fracture hematoma formsb: Bone is remodeledc: Fibrocartilaginous callus formsd: Bony callus formsThe correct chronological order for these steps is
A. a - b - d - c
B. d - a - b - c
C. b - a - c - d
D. a - c - d - b
E. c - d - b - a
Answer: D
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The volume of fluids secreted by the gastrointestinal tract in a typical day is far greater than the volume of food and drink ingested.
Answer the following statement true (T) or false (F)
When a small amount of HCl or NaOH is added to a solution of Na2HPO4, the pH of the solution barely changes. Based on these observations, all of the following are true concerning the compound Na2HPO4 except
A) Na2HPO4 is able to accept extra hydrogen ions from the HCl. B) Na2HPO4 is able to donate hydrogen ions to the OH- from NaOH. C) Na2HPO4 adsorbs excess H+ and OH- directly onto the surface of its crystalline structure. D) Na2HPO4 is a salt formed from reacting a strong base with a weak acid. E) Na2HPO4 acts as a buffer.
Elastic cartilage and a stratified squamous epithelium are found in which respiratory structure?
a. Bronchiole b. Bronchus c. Epiglottis d. Nasal concha e. Trachea
Bile pigments:
A. are important for fat digestion. B. are formed from catabolism of the globin part of hemoglobin. C. impart color to the bile, feces, and urine. D. are amphipathic molecules that emulsify fats. E. are completely reabsorbed in the distal ileum.