NSG5003 Midterm Exam (Version 2, Latest, 2020): Advanced pathophysiology, Exams of Nursing

Download NSG5003 Midterm Exam (Version 2, Latest, 2020): Advanced pathophysiology and more Exams Nursing in PDF only on Docsity! NSG5003 Midterm Exam (Version 2, Latest, 2020): Advanced pathophysiology: South University What causes the rapid change in the resting membrane potential to initiate an action potential? Question 1 options: Potassium gates open and potassium rushes into the cell, changing the membrane potential from negative to positive Sodium gates open and sodium rushes into the cell, changing the membrane potential from negative to positive. Sodium gates close, allowing potassium into the cell to change the membrane potential from positive to negative. Potassium gates close, allowing sodium into the cell to change the membrane potential from positive to negative. Save Question 2 (5 points) What is a consequence of leakage of lysosomal enzymes during chemical injury? Question 2 options: Enzymatic digestion of the nucleus and nucleolus occurs, halting deoxyribonucleic acid (DNA) synthesis. Influx of potassium ions into the mitochondria occurs, halting the adenosine triphosphate (ATP) production. Edema of the Golgi body occurs, preventing the transport of proteins out of the cell. Shift of calcium out of the plasma membrane occurs, destroying the cytoskeleton. Save Question 3 (5 points) In hypoxic injury, sodium enters the cell and causes swelling because: Question 3 options: The cell membrane permeability increases for sodium during periods of hypoxia. Adenosine triphosphate (ATP) is insufficient to maintain the pump that keeps sodium out of the cell. The lactic acid produced by the hypoxia binds with sodium in the cell. Sodium cannot be transported to the cell membrane during hypoxia. Save Question 4 (5 points) What mechanisms occur in the liver cells as a result of lipid accumulation? Question 4 options: Obstruction of the common bile duct, preventing the flow of bile from the liver to the gallbladder Increased synthesis of triglycerides from fatty acids and decreased synthesis of apoproteins Increased binding of lipids with apoproteins to form lipoproteins Increased conversion of fatty acids to phospholipids Save Question 5 (5 points) Which solution is best to use when cleaning a wound that is healing by 101. During an Immunoglobulin E (IgE)-mediated hypersensitivity reaction, the degranulation of mast cells is a result of which receptor action? Question 5 options: Histamine bound to H2 Question 10 (5 points) Oncogenes are genes that are capable of: Question 10 options: Undergoing mutation that directs the synthesis of proteins to accelerate the rate of tissue proliferation Directing synthesis of proteins to regulate growth and to provide necessary replacement of tissue Encoding proteins that negatively regulate the synthesis of proteins to slow or halt the replacement of tissue Undergoing mutation that directs malignant tissue toward blood vessels and lymph nodes for metastasis Save Question 11 (5 points) After the baroreceptor reflex is stimulated, the resulting impulse is transmitted from the carotid artery by which sequence of events? Question 11 options: From the vagus nerve to the medulla to increase parasympathetic activity and to decrease sympathetic activity From the glossopharyngeal cranial nerve through the vagus nerve to the medulla to increase sympathetic activity and to decrease parasympathetic activity From the glossopharyngeal cranial nerve through the vagus nerve to the medulla to increase parasympathetic activity and to decrease sympathetic activity From the glossopharyngeal cranial nerve through the vagus nerve to the hypothalamus to increase parasympathetic activity and to decrease sympathetic activity Save Question 12 (5 points) Regarding the endothelium, what is the difference between healthy vessel walls and those that promote clot formation? Question 12 options: Inflammation and roughening of the endothelium of the artery Hypertrophy and vasoconstriction of the endothelium of the artery Excessive clot formation and lipid accumulation in the endothelium of the artery Evidence of age-related changes that weaken the endothelium of the artery Save Question 13 (5 points) What is the expected electrocardiogram (ECG) pattern when a thrombus in a coronary artery permanently lodges in the vessel and the infarction extends through the myocardium from the endocardium to the epicardium? Question 13 options: Prolonged QT interval ST elevation myocardial infarction (STEMI) ST depression myocardial infarction (STDMI) Non-ST elevation myocardial infarction (non-STEMI) Save Question 14 (5 points) A patient reports sudden onset of severe chest pain that radiates to the back and worsens with respiratory movement and when the patient is lying down. These clinical manifestations describe: Question 14 options: Myocardial infarction (MI) Pericardial effusion Restrictive pericarditis Acute pericarditis Save Question 15 (5 points) Respirations that are characterized by alternating periods of deep and shallow breathing are a result of which respiratory mechanism? Question 15 options: Decreased blood flow to the medulla oblongata Increased partial pressure of arterial carbon dioxide (PaCO2), decreased acid-base balance (pH), and decreased partial pressure of arterial oxygen (PaO2) Stimulation of stretch or J-receptors Fatigue of the intercostal muscles and diaphragm Save Question 16 (5 points) Which cytokines activated in childhood asthma produce an allergic response? Question 16 options: IL-1, IL-2, and interferon-alpha (IFN-α) L-8, IL-12, and tumor necrosis factor–alpha (TNF-α) IL-4, IL-10, and colony-stimulating factor (CSF) IL-4, IL-5, and IL-13 Save Question 17 (5 points) Renal diseases, such as acute tubular necrosis and glomerulonephritis Gastrointestinal diseases, such as peptic ulcer disease and Crohn disease Muscular diseases, such as muscular dystrophy and fibromyalgia Save Question 22 (5 points) What is a consequence of plasma membrane damage to the mitochondria? Question 22 options: Enzymatic digestion halts deoxyribonucleic acid (DNA) synthesis. Influx of calcium ions halts adenosine triphosphate (ATP) production. Edema from an influx in sodium causes a reduction in ATP production. Potassium shifts out of the mitochondria, which destroys the infrastructure. Save Question 23 (5 points) In addition to osmosis, what force is involved in the movement of water between the plasma and interstitial fluid spaces? Question 23 options: Oncotic pressure Buffering Net filtration Hydrostatic pressure Save Question 24 (5 points) Venous obstruction is a cause of edema because of an increase in which pressure? Question 24 options: Capillary hydrostatic Interstitial hydrostatic Capillary oncotic Interstitial oncotic Save Question 25 (5 points) At the arterial end of capillaries, fluid moves from the intravascular space into the interstitial space because: Question 25 options: The interstitial hydrostatic pressure is higher than the capillary hydrostatic pressure. The capillary hydrostatic pressure is higher than the capillary oncotic pressure. The interstitial oncotic pressure is higher than the interstitial hydrostatic pressure. The capillary oncotic pressure is lower than the interstitial hydrostatic pressure. Save Question 26 (5 points) Secretion of antidiuretic hormone (ADH) and the perception of thirst are stimulated by: Question 26 options: A decrease in serum sodium An increase in plasma osmolality An increase in the glomerular filtration rate A decrease in osmoreceptor stimulation Save Question 27 (5 points) Some older adults have impaired inflammation and wound healing because of which problem? Question 27 options: The circulatory system cannot adequately perfuse tissues. Complement and chemotaxis are deficient. Underlying chronic illnesses exist. The number of mast cells is insufficient. Save Question 28 (5 points) Lead poisoning affects the nervous system by: Question 28 options: Interfering with the function of neurotransmitters Inhibiting the production of myelin around the nerves Increasing the resting membrane potential Altering the transport of potassium into the nerves Save Question 29 (5 points) Save Question 32 (5 points) Hemoprotein accumulations are a result of the excessive storage of: Question 32 options: Iron, which is transferred from the cells to the bloodstream Hemoglobin, which is transferred from the bloodstream to the cells Albumin, which is transferred from the cells to the bloodstream Amino acids, which are transferred from the cells to the bloodstream Save Question 33 (5 points) Hemosiderosis results in what substance being stored in excess as hemosiderin in cells of many organs and tissues? Question 33 options: Hemoglobin Ferritin Iron Transferrin Save Question 34 (5 points) What two types of hearing loss are associated with noise? Question 34 options: Acoustic trauma and noise induced High frequency and low frequency High frequency and acoustic trauma Noise induced and low frequency Save Question 35 (5 points) What type of necrosis results from ischemia of neurons and glial cells? Question 35 options: Coagulative Liquefactive Caseous Gangrene Save Question 36 (5 points) During cell injury caused by hypoxia, sodium and water move into the cell because: Question 36 options: Potassium moves out of the cell, and potassium and sodium are inversely related. The pump that transports sodium out of the cell cannot function because of a decrease in adenosine triphosphate (ATP) levels. The osmotic pressure is increased, which pulls additional sodium across the cell membrane. Oxygen is not available to bind with sodium to maintain it outside of the cell. Save Question 37 (5 points) In decompression sickness, emboli are formed by bubbles of: Question 37 options: Oxygen Nitrogen Carbon monoxide Hydrogen Save Question 38 (5 points) What is an example of compensatory hyperplasia? Question 38 options: Hepatic cells increase cell division after part of the liver is excised. Skeletal muscle cells atrophy as a result of paralysis. The heart muscle enlarges as a result of hypertension. The size of the uterus increases during pregnancy. Save Question 39 (5 points) Current research has determined that chemical-induced cellular injury: Question 39 options: Affects the permeability of the plasma membrane Is often the result of the damage caused by reactive free radicals Is rarely influenced by lipid peroxidation