35. The starting point (X) on the graph represents a person who had been drinking water ad libitum. Which of the following lettered arrows indicates the change that will occur 60 minutes afterdrinking 1 L of distilled water?OA)1200-Urine osmolalitymOsm/Kg H₂O900-600-300-AEB)B-22DC46Urine flow ratemL/minC)8O D)10E)

Patient is drinking water ad libitum it means Water intake as desired. When person intakes water…

Answered: 35. The starting point (X) on the graph…

Phlebotomy Essentials

6th Edition

ISBN:9781451194524

Author:Ruth McCall, Cathee M. Tankersley MT(ASCP)

Publisher:Ruth McCall, Cathee M. Tankersley MT(ASCP)

Chapter1: Phlebotomy: Past And Present And The Healthcare Setting

Section: Chapter Questions

Problem 1SRQ

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List Paragraph Normal No Spacing Styles Pane Dictate Loop diuretics inhibit the ability of kidneys to reabsorb sodium in the ascending loop. What impact would this have on urine and plasma volume and osmolarity? For each value, would it a) increase, b) decrease or c) stay the same? 田 Urine volume Urine concentration Plasma volume Plasma concentration What condition would you treat with these drugs? How would you expect hormone levels to change in response to the effect of these drugs? (Must discuss specific hormones) words English (United States) E Focus
a:ry i 29 ~O0¥1420 < Jlgull = The clearance test of a substance such as creatinine is used for the estimation of glomerular filtration rate and an index of renal function. Which of the following are the characteristics of substance ideal for estimation of GFR? Not reabsorbed secreted or metabolized in the kidney Freely filtered into Bowman's capsule All of them Stable plasma concentration that is easily measured 0 OO O dihvl haa
Regarding the glomerulus: A) Intracapsular pressure and colloid osmotic pressure act to hold serum in the glomerulus B) Only glomerular capillary pressure and net hydrostatic pressure push serum out of the glomerulus and intracapsular pressure and colloid osmotic pressure act to hold serum in the glomerulus C) Glomerular capillary pressure and net hydrostatic pressure push serum out of the glomerulus D) All of these answers are correct E) The net filtration pressure is normally 10mmHg
24. Measurements are made of the renal tubular fluid concentration of various substances along the length of the proximal tubule and plotted as the tubular fluid to plasma concentration ratio (TF/P). As these substances are reabsorbed along with water, the following profiles are obtained. (All substances are freely filtered at the glomerulus, the TF/P = 1 at the glomerulus.) Glucose is represented by which of the following curves? OA) [Tubular fluid] [Plasma] OB) 3.0- 2.0- 1.0- 0 B O C) E 25 50 75 Proximal tubule length (%) OD) 100 OE)
If the Tm for a particular amino acid is 220 mg/100 ml and the concentration of that amino acid in the blood is 130 mg/100 ml, the amino acid will ________. A) not appear in the urine because it is too large to be filtered B) be actively secreted into the filtrate C) be completely reabsorbed by the tubule cells
1.8 Which of the following is likely to cause the kidney to change the reabsorption of water and/or NaCl? Select one: a. Drinking 1 L of water in a short period of time. (Assume that you weren't dehydrated.) b. Eating a big bag of salty potato chips. c. Forgetting to drink water all day. d. Exercising vigorously in a very hot environment. e. All of the above
36. A 3-month-old boy is brought to the emergency department because of a 2-day history of lethargy. Physical examination shows no other abnormalities. The results of laboratory studies are shown: Serum Na+ 165 mEq/L (N=139-146) CI- 130 mEq/L (N=95-105) 334 mOsmol/kg H₂O (N=282-295) Osmolality Urine 1.001 Specific gravity Osmolality 117 mOsmol/kg H₂O (N>200) He is admitted to the hospital. His urine output is increased. His serum ADH (vasopressin) concentration is 24 pg/mL (N=1-5); aldosterone and renin concentrations are within the reference ranges. The urine osmolality remains unchanged after administration of 1-deamino-8-arginine vasopressin. An MRI of the brain and pituitary gland shows no abnormalities. Ultrasonography shows normal kidneys. The most likely underlying cause of the findings in this patient is a defect in which of the following? A) Angiotensin-converting enzyme B) Aquaporin C) 11a-Hydroxylase D) Renin E) Vasopressin receptors
A 68-year old woman presents with hypertension and oliguria. A CT of the abdomen reveals a hypoplastic left kidney. based on the following laboratory data which of the following is her estimated RPF? Renal artery p-amino hippuric acid (PAH) = 6mg/dL Renal vein PAH = 0.6mg/dL urinary PAH = 25mg/mL urine flow= 1.5mL/min hematocrit = 40%
How are CFU (colony forming units) calculated in urine? (Hint/comment: what is the volume in urine cultures)
Pressure in the renal artery is 100 mm Hg and the pressure in the renal vein is 50 mm Hg. The resistance of the afferent arteriole equals 0.5 mm Hg•min/L and the resistance of the efferent arteriole equals 0.5 mm Hg•min/L. What is the pressure in the glomerulus?
Find how urine flow, urine volume, pH of urine, specific gravity, and silver nitrate affects people who are: a) dehydrated b) normal hydrated c) overhydrated Include information about urinary system and its hormones in the answer.
1) If the excretion of a substance is less than the filtration rate, the substance must be just secreted filtered and secreted filtered and reabsorbed just filtered, secreted, and reabsorbed 2) In the absence of vasopressin, what would happen to the urine concentration?a. It would be concentratedb. It would be dilutec. Vasopressin has nothing to do with urine concentration 3) Blood going from systemic veins through the right ventricle is _________a. high in 02 and high in CO2b. low in hemoglobinc. high in hemoglobind. low in 02 and high in CO2e. low in 02 and low in CO2

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