Which of the following skin changes is usually associated with aging?
A. There is an increase in the number of elastic fibers in the skin.
B. Skin becomes thicker.
C. The amount of collagen in the dermis increases.
D. Loss of subcutaneous tissue contributes to sagging of the skin.
E. Localized increase in sebaceous glands leads to dry skin.
D
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Enzymes help to speed up chemical reactions by
A. lowering kinetic energy B. lowering activation energy C. increasing kinetic energy D. increasing activation energy
A procedure for identifying the direction of an angular motion vector is called what?
A. right hand rule B. clockwise rule C. both A and B D. no special procedure is needed
A cat presents to a clinic with difficulty breathing, lethargy, and cyanosis. The veterinarian auscultated the thoracic cavity and politely asked to have a radiograph taken of the thorax. Dx: pleural effusion. A thoracocentesis was performed and 300 cc of fluid was aspirated. Rx: Bronchodilator BID. The medical term for difficulty breathing is:
A) tachypnea B) bradypnea C) hyperpnea D) strangpnea E) dyspnea
A renal corpuscle includes the
A) glomerular capsule and renal tubule. B) glomerulus and glomerular capsule. C) renal tubule and collecting tubule. D) glomerulus and renal tubule.