NURS 611 (NURS611)

Exposure to which substance protects the mucosal barrier of the stomach? 1. Prostaglandins 2. Helicobacter pylori 3. Aspirin 4. Regurgitated bile - A. Prostaglandins Glucose transport enhances the absorption of which electrolyte? a. Sodium b. Potassium c. Phosphate d. Chloride - A. Sodium What is the cause of gastroesophageal reflux disease? a. Excessive production of hydrochloric acid b. Zone of low pressure of the lower esophageal sphincter c. Presence of Helicobacter pylori in th...

It is true that a eukaryotic cell: does not contain histones. is smaller than a prokaryotic cell. lacks a well-defined nucleus. contains structures called organelles. contains structures called organelles. The cell's energy producers are called: mitochondria Movement of a solute molecule from an area of high concentration to an area of low concentration is called diffusion. Which are the roles of relay chains in signal transduction? Transfer the signal Distribute the signal Amplif...

Myasthenia gravis is an autoimmune disease in which a. neuronal demyelination disrupts nerve transmission. b. muscles become increasingly bulky but weakened. c. acetylcholine receptors are destroyed or dysfunctional. d. acetylcholine release from motor neurons is disrupted. - c. acetylcholine receptors are destroyed or dysfunctional Myasthenia gravis is an autoimmune disease in which acetylcholine receptors are destroyed or dysfunctional. Multiple sclerosis is an autoimmune disease in whi...

Tumors are named in accordance with a system based on: Cell type or tissue Organ or size Size or appearance Cell type or shape - Cell type or tissue Substances such as enzymes, antigens, and hormones present in the circulation that can be used for cancer screening, to confirm a diagnosis, or to monitor the clinical course of a malignancy are called: Oncoindicators Tumor traits Tumor markers Oncogens - Tumor markers A person's genetic predisposition to cancer may be revealed by the p...

A urologist is discussing a structure that supplies blood to the medulla. What is the urologist describing? A. Renal arteries B. Arcuate arteries C. Peritubular capillaries D. Vasa recta - D. Vesa recta The vasa recta is a network of capillaries that forms loops and closely follows the loops of Henle and is the only blood supply to the medulla. When teaching about sodium reabsorption, which information should the nurse include? The majority of sodium reabsorption takes place in the: A....

How much urine can the urinary bladder usually hold? a. 150 to 250 mL b. 300 to 400 mL c. 450 to 550 mL d. 600 to 700 mL - 300 to 400 mL Which type of calculi in the ureter is found most often in clients with spinal cord injuries? a. Calcium b. Struvite c. Uric acid d. Cystine - Struvite A nurse is teaching student nurses about the epidemiology of lower urinary tract infections (UTIs). Which statement made by a student nurse indicates a need for further learning? a. "Young adult w...

Nicotine increases atherosclerosis by the release of which neurotransmitter? (Points : 0.5) Histamine Nitric oxide Angiotensin II Epinephrine - D. Epinephrine Nicotine stimulates the release of catecholamines (epinephrine and norepinephrine), which increases the HR and causes peripheral vascular constriction. As a result, blood pressure increases as do both cardiac workload and oxygen demand. The pulsus paradoxus that occurs as a result of pericardial effusion is caused by a dysfuncti...

Increased platelet function, and consequent hypercoagulability, can be caused by: - Vascular damage Disseminated intravascular coagulation (DIC) is characterized by: - hemorrhage Sue is fatigued and some blood tests are done. Her results include Hct 40%; Hgb 8g/dL; WBC 8,000; platelets 175,000. The nurse should interpret Sue's blood work as indicative of: - low hemoglobin/anemia The patient is an average-sized adult and has abnormal microcytic hypochromic red blood cells due to a long-te...

Which statement best differentiates cardiac afterload from cardiac preload? - Cardiac afterload is the amount of resistance that the ventricle must overcome How does the heart function when a client is diagnosed with heart failure? - The contractility and stroke volume decreases. What is oncotic pressure? - A force that attempts to pull fluid from the interstitial and intracellular space How is chronic heart failure different from acute heart failure? - Chronic heart failure gradually dev...

Hypocalcemia; Intermittent muscle spasms and complaints of numbness around her mouth - A female client with a history of chronic renal failure has a total serum calcium level of 7.9 mg/dL; nurse should focus on which manifestation associated with this calcium level? Cardiometabolic disorders - A client has been diagnosed with upper body obesity along with central fat distribution; therefore is at a greater risk for developing: Hyperarousal - A female client experienced a random assault sev...