Dental plaque
A) anchors teeth to their bony sockets.
B) protects teeth from bacteria-induced tooth decay.
C) is calcified organic matter on the surface of teeth.
D) consists of food particles trapped in a sticky matrix.
E) forms a bone-like protective layer.
D) consists of food particles trapped in a sticky matrix.
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Angie received an injection in her deltoid muscle. Her arm is now sore and she refuses to move it. What action can she not perform?
What will be an ideal response?
How are interstitial lamellae different from the concentric lamellae?
A) Interstitial lamellae's osteocytes are not alive. B) Interstitial lamellae are only found in spongy bone. C) Interstitial lamellae are partial osteons located between the concentric lamellae of complete osteons. D) Interstitial lamellae are not connected to the bone blood supply.
________ secrete mucus.
A. Goblet cells B. Fibroblasts C. Adipocytes D. Reticular cells
A 60-year-old woman comes to the emergency department with shortness of breath. An arterial blood sample is obtained
PO2: 75 mm Hg (normal: 75 to 100 mm Hg) PCO2: 58 mm Hg (normal: 33 to 44 mm Hg) [HCO3-]: 24 mEq/L (normal: 22 to 28 mEq/L) pH: 7.24 (normal: 7.35 to 7.45) What is this woman's acid-base disorder? A. metabolic acidosis B. metabolic alkalosis C. acute respiratory acidosis D. acute respiratory alkalosis E. chronic respiratory acidosis