Final Exam Review Nurs 6531 Deck 1 2023 with complete solution questions and answers

What are signs & symptoms of SIADH (Syndrome of inappropriate antidiuretic hormone)? Increased production of ADH (antidiuretic hormone), hyponatremia, concentrated urine (from excess water resorption), elevated urine osmolality, mental status changes from cerebral edema. Diabetes insipidus is associated with what sodium level? Hypernatremia Psychogenic polydipsia results in urine that is: diluted with low osmolality and hyponatremia How would you determine the cause of a patient's AKI who presents with decreased urine output, history of neurogenic bladder, chronic foley, dark urine, and Cr increase from 1.3 to 2.1 over 3 months? Flush the foley catheter to see if urine comes out and assess the patency of the catheter. This action will unblock clogged sediment or biofilm from chronic bacteriuria. When a female patient presents to the ER after sexual assault, what medications should be offered prior to discharge? Ceftriaxone, azithromycin, Plan B, and Metronidazole. Manifestations of Conn syndrome (hyperaldosteronism)? hypernatremia, hypokalemia, and hypertension What causes Cushing syndrome? Increased levels of glucocorticoids, can be exogenous (from therapy) or endogenous (from adenoma or neoplasm). Manifestations of Cushing syndrome? hypertension, truncal obesity, osteoporosis, skin fragility, and hyperglycemia. What differentiates primary adrenocortical insufficiency from secondary adrenocortical insufficiency? Skin hyperpigmentation is present in primary adrenocortical insufficiency What is Trousseau's sign? A carpal spasm elicited by compression of the upper arm with a BP cuff that indicates hypocalcemia. What is Chovstek's sign? A hemifacial tic that is induced by tapping the facial nerve below the maxilla that indicates hypocalcemia. What is Babinski's sign? An upward response (extension) of the hallux when the sole of the foot is stimulated with a blunt instrument. Can identify spinal cord disease in adults. What is Romberg's sign? Loss of balance in standing when eyes are closed. Usually indicating a loss of proprioception or lesion in the cerebellum. What is Homan's sign? pain on passive dorsiflexion of ankle, associated with DVT. What is the clinical presentation of Goodpasture's syndrome? Urinalysis: Specific gravity: 1.020. pH 5.5, 1+ albumin and large blood present. Chest XR positive for bilateral diffuse infiltrates. BUN 30, Cr 3.0 Symptoms: dyspnea with hemoptysis What is Goodpasture syndrome? Damage to alveolar and renal glomerular basement membranes by cytotoxic antibody. Initial treatment for Goodpasture's syndrome? Hospitalization, pulse dose of steroids, begin plasmapheresis and cyclophosphamide therapy. Characteristics of Grave's disease Ophthalmopathy (lid retraction, scleral show, proptosis) and hyperthyroidism What organism causes the formation of a staghorn calculus? Proteus mirabilus What organism causes Toxic shock syndrome? Staphylococcus aureus What electrolyte disturbance is most likely to lead to tetany and neuromuscular irritability? Hypocalcemia Features of hypercalcemia include? "Stones, groans, moans, and bones." Delerium and renal stones When you see hypochloremia, the patient may have? Metabolic Alkalosis Hyperkalemia is associated with what cardiac abnormalities? peaked T-waves, wide QRS, and ventricular arrhythmias. A patient presents with arcus cornea, LDL 285, TG 110, HDL 45, and father died of an MI at age 45. What is his most likely diagnosis? Heterozygous familial hypercholesterolemia A fasting blood glucose level of 130 mg/dL indicates: Diabetes What are risk factors for ectopic pregnancy? smoking, previous tubal surgery, previous ectopic pregnancy, exposure to diethylibestrol, current IUD, PID, advanced maternal age, infertilitiy for more than 2 years. What hormones are most critical to replace in a patient at risk for anterior pituitary insufficiency? Glucocorticoids, and thyroid hormone What is diabetes insipidus? a disorder caused by inadequate amounts of ADH which causes excessive water loss CKD Stage 1 GFR 90 with evidence of renal damage, as indicated by proteinuria. CKD Stage 2 GFR 60-89 CKD Stage 3a GFR 45-59 CKD Stage 3b GFR 30-44 What is the diagnosis and initial treatment of a patient with history of nonfunctional pituitary macroadenoma with severe retro-orbital headache, nausea, vomiting, mental status change, right third nerve palsy with stiff neck, and pituitary adenoma (enlarged) hemorrhage? Pituitary apoplexy dexamethasone 2mg IV q 6hr then surgery if mental status change present. What causes hypocalcemia in patients with end stage renal disease? Decreased conversion of Vitamin D. What condition is associated with recurrent nephrolithiasis? Primary hyperparathyroidism What stabilizes the cardiac membrane in treatment of hyperkalemia? Calcium gluconate What medication acts rapidly to antagonize the membrane effects of potassium in hyperkalemia? Calcium is cardioprotective What is the most common cause of euvolemic hyponatremia? SIADH (syndrome of inappropriate antidiuretic hormone secretion) What causes are associated with hypervolemic hyponatremia? Cirrhosis and CHF What is a long-term complication of radio-active iodine therapy? Hypothyroidism 80% of acute pyelonephritis cases in women are caused by what pathogen? E coli Most common cause of acute scrotal pain in adults? epididymitis What are predisposing factors for hypocalcemia? hypoparathyroidism, pancreatitis, vitamin D deficiency, chronic alcohol use disorder, and medications such as phenytoin, cisplatin, and estrogen. What are prerenal causes of AKI? decrease in extracellular fluid volume, decreased renal blood flow, or altered intrarenal hemodynamics. Post-renal causes of AKI benign prostatic hyperplasia, bladder cancer, nephrolithiasis, neuromuscular disorders, prostate cancer, strictures, trauma What is are intrinsic causes of renal failure? Acute glomerulonephritis, ischemic injury, nephrotoxins, malignant hypertension What classification of drugs cause urinary retention? anticholinergics (ipratropium) Common secondary causes of nephrotic syndrome lupus and diabetes Presenting symptoms of nephrotic syndrome loss of appetite, fatigue, ascites, lower extremity edema, proteinuria, low blood albumin, and hyperlipidemia. What is the initial insulin loading dose for a patient in DKA? 0.1 to 0.15 units/kg/hr with hourly glucose monitoring What is Hashimoto's thyroiditis? autoimmune destruction of thyroid gland, Anti-thyroid stimulating hormone (TSH) receptor antibodies inhibit release of thyroid hormone. What would you do first for an incidental finding of an adrenal mass? Overnight dexamethasone suppression test. Clinical signs of PCOS oligomenorrhea, infertility, hirsutism, obesity, and 2/3 Rotterdam criteria: oligo-ovulation or anovulation clinic of biochemical signs of hyperandrogenism polycystic ovaries on US Treatment for simple cystitis 5 days of nitrofurantoin Define the acronym MUDPILES Acronym for identifying a high anion gap metabolic acidosis: Methanol Uremia Diabetic ketoacidosis Paraldehyde Iron, isoniazid Lactate Ethanol, ethylene glycol Salicylates First-line evaluation of vulvovaginal candidiasis wet mount Prolonged nausea and vomiting can result in: Metabolic alkalosis loss of gastric acid Clinical signs/symptoms of uremic pericarditis worsening anemia, absence of diffuse ST-segment T-wave elevations, fever, pleuritic chest pain, pain that increases in recumbent position. Hemodialysis treatment should be heparin free. What is hepatorenal syndrome? chronic or acute renal disease with advanced hepatic failure and portal hypertension. What complaint is common with patients who have acute on chronic urinary retention? urinary incontinence Aside from potassium chloride as a supplement, what can be used to treat hypokalemia? Magnesium For a patient who is lethargic and hyperkalemic, what is the first line therapy? Calcium gluconate or calcium chloride Priapism is a known side effect of what medication? Trazodone What is the maximum compensation of PaCO2 in metabolic acidosis? 26 signs of preeclampsia BP 140/90 proteinuria 300 mg of protein in urine in 24 hours headache visual changes 2+ pitting edema