NURS 6501 Midterm Exam Course NURS-6501N-• Question 1 The action of platelet-derived growth factor is to stimulate the production of whichcells?Selected Answer: Platelets• Question 2 1 out of 1 pointsA healthcare professional is educating a patient about asthma. The professional states that goodcontrol is necessary due to which pathophysiologic process? Selected Answer: Uncontrolledinflammation leads to increased bronchial hyperresponsiveness and eventual scarring. • Question 3 1out of 1 points What is an expected change in the cardiovascular system that occurs with aging?Selected Answer: Arterial stiffening • Question 4 1 out of 1 points People diagnosed withneurofibromatosis have varying degrees of the condition because of which genetic principle?Selected Answer: Expressivity • Question 5 1 out of 1 points When endothelial cells are injured, whatalteration contributes to atherosclerosis? Selected Answer: Cells are unable to make the normalamount of vasodilating cytokines. • Question 6 1 out of 1 points A healthcare professional cares forolder adults in a skilled nursing facility. What should the professional assess for in these individualsrelated to cardiovascular functioning? Selected Answer: Increased rate of falling and dizzy spells •Question 7 1 out of 1 points What physical sign does the healthcare professional relate to the resultof turbulent blood flow through a vessel? Selected Answer: Murmur heard on auscultation •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 1 out of 1 points Once theyhave penetrated the first line of defense, which microorganisms do natural killer (NK) cells activelyattack? Selected Answer: mycoplasma • Question 10 1 out of 1 points Which gastric hormoneinhibits acid and pepsinogen secretion, as well as decreases the release of gastrin? Selected Answer:Somatostatin • Question 11 1 out of 1 points What is the single most common cause of cellularinjury? Selected Answer: Hypoxic injury • Question 12 1 out of 1 points A professor has taught thestudents about the sources of increased ammonia in patients with hepatic encephalopathy. Whatstatement by a student indicates the professor should review this material? Selected Answer:Accumulation of short-chain fatty acids are a source of increased ammonia. • Question 13 1 out of 1points Surfactant produced by type II alveolar cells facilitates alveolar distention and ventilation bywhich mechanism? Selected Answer: Decreasing surface tension in the alveoli • Question 14 1 out of1 points A patient is brought to the Emergency Department with a gunshot wound to the chest. Thehealthcare professional assesses an abnormality involving a pleural rupture that acts as a one-wayvalve, 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 tubePreview Mode
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