Question 1 The action of platelet-derived growth factor is to stimulate the production of which cells? Selected Answer: Platele ts Question 2 1 out of 1 points A healthcare professional is... educating a patient about asthma. The professional states that good control is necessary due to which pathophysiologic process? Selected Answer: Uncontrolled inflammation leads to increased bronchial hyperresponsiveness and eventual scarring. Question 3 1 out of 1 points What is an expected change in the cardiovascular system that occurs with aging? Selected Answer: Arterial stiffening Question 4 0 out of 1 points People diagnosed with neurofibromatosis have varying degrees of the condition because of which genetic principle? Selected Answer: Dominan ce Question 5 0 out of 1 points When endothelial cells are injured, what alteration contributes to atherosclerosis? Selected Answer: The release of toxic oxygen radicals that oxidize low-density lipoproteins (LDLs) Question 6 1 out of 1 points A healthcare professional cares for older adults in a skilled nursing facility. What should the professional assess for in these individuals related to cardiovascular functioning? Selected Answer: Increased rate of falling and dizzy spells WALDEN UNIVERSITY NURS 6501 ADVANCED PATHOPHYSIOLOGY MIDTERM Question 7 0 out of 1 points What physical sign does the healthcare professional relate to the result of turbulent blood flow through a vessel? Selected Answer: Bounding pulse felt on palpation Question 8 1 out of 1 points What are tumor cell markers? Selected Answer: Hormones, enzymes, antigens, and antibodies that are produced by cancer cells Question 9 0 out of 1 points Once they have penetrated the first line of defense, which microorganisms do natural killer (NK) cells actively attack? Selected Answer: Bacteri a Question 10 1 out of 1 points Which gastric hormone inhibits acid and pepsinogen secretion, as well as decreases the release of gastrin? Selected Answer: Somatosta tin Question 11 1 out of 1 points What is the single most common cause of cellular injury? Selected Answer: Hypoxic injury Question 12 1 out of 1 points A professor has taught the students about the sources of increased ammonia in patients with hepatic encephalopathy. What statement by a student indicates the professor should review this material? Selected Accumulation of short-chain fatty acids are a source of Answer: increased ammonia. Question 13 1 out of 1 points Surfactant produced by type II alveolar cells facilitates alveolar distention and ventilation by which mechanism? Selected Answer: Decreasing surface tension in the alveoli Question 14 1 out of 1 points A patient is brought to the Emergency Department with a gunshot wound to the chest. The healthcare professional assesses an abnormality involving a pleural rupture that acts as a one-way valve, permitting air to enter on inspiration but preventing its escape by closing during expiration. What action by the healthcare professional is the priority? Selected Answer: Assist with a chest tube insertion. Question 15 1 out of 1 points What is the only surface inside the nephron where cells are covered with microvilli to increase the reabsorptive surface area called? Selected Answer: Proximal convoluted tubules Question 16 1 out of 1 points A patient is having an IgE-mediated hypersensitivity reaction. What action by the healthcare professional is best? Selected Answer: Give the patient an antihistamine. Question 17 1 out of 1 points A patient has been diagnosed with a renal stone. Based on knowledge of common stone types, what self-care measure does the healthcare professional plan to teach the patient when stone analysis has returned? Selected Answer: Ingest 1000 mg of calcium a day. Question 18 1 out of 1 points Which hormone is required for water to be reabsorbed in the distal tubule and collecting duct? Selected Answer: Antidiuretic hormone Question 19 1 out of 1 points The cardiac electrical impulse normally begins spontaneously in the sinoatrial (SA) node because of what reason? Selected Answer: It depolarizes more rapidly than other automatic cells of the heart. Question 20 1 out of 1 points What is one function of the tumor cell marker? Selected Answer: To screen individuals at high risk for cancer Question 21 1 out of 1 points When comparing the clinical manifestations of both diabetic ketoacidosis (DKA) and hyperglycemic hyperosmolar nonketotic syndrome (HHNKS), which condition is associated with only DKA? Selected Answer: Kussmaul respirations Question 22 1 out of 1 points Which cAMP-mediated response is related to antidiuretic hormone? Selected Answer: Increased retention of water Question 23 0 out of 1 points The student wants information about a patient's renal function. What test does the healthcare professional tell the student to evaluate? Selected Answer: Serum blood urea nitrogen and creatinine Question 24 1 out of 1 points What is the most important cause of pul [Show More]
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