Renal Physiology Exam Questions and Correct Answers Latest Update 2025
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Module
Renal Physiology
Institution
Renal Physiology
Renal Physiology Exam Questions and Correct Answers Latest Update 2025
Out of the 4 hormones the kidney releases, which one is a steroid? Which are proteins? - Answers Calcitriol is the steroid
Erythropoeitin, renin, and renalase are the proteins
Calcitriol increases the intestinal absorption of...
Renal Physiology Exam Questions and Correct Answers Latest Update 2025
Out of the 4 hormones the kidney releases, which one is a steroid? Which are proteins? - Answers
Calcitriol is the steroid
Erythropoeitin, renin, and renalase are the proteins
Calcitriol increases the intestinal absorption of ___ and ___ - Answers Ca2+; HPO4 2-
What is the stimulus for release of erythropoietin? - Answers Low partial pressure O2
An insufficiency of what hormone will cause normocytic normochromic insufficiencty? - Answers
Erythropoietin
What 3 things does renin regulate? - Answers Na+ balance
K+ balance
Blood pressure
Renalase breaks down ____________ in the blood - Answers Catecholamines
How would deficiency in renalase affect blood pressure? - Answers It would raise it (Catecholamines
would not be broken down)
What is normal blood osmolarity close to? - Answers 290 mOsm/L
What is the apex of the renal medulla called? - Answers Renal papilla
The functional unit of the kidney is called the __________ - Answers Nephron
What is postrenal azotemia? What can it be caused by? - Answers Accumulation of nitrogenous wastes;
can be cause by obstruction of ureters from kidney stones
Which part of the kidney has a dense capillary network and high flow rate? Which has a low flow rate? -
Answers Cortex; medulla
What does the renal corpuscle consist of? (part of the nephron) - Answers Glomerulus
Bowman's Capsule
What does the renal tubule consist of? (Part of the nephron) - Answers Proximal tubule
Loop of Henle
Distal Tubule
Collecting duct
, At what point does tubular fluid become urine? - Answers When several collecting ducts join to become
the papillary duct
Do humans have more juxtamedullary nephrons or cortical nephrons? - Answers Cortical;
Juxtamedullary nephrons are helpful in conserving water during dehydration though
The efferent arteriole in the cortex gives rise to the ______________; Which vessels only surround
juxtamedullary collecting ducts and limbs of Henle's loop? - Answers Peri tubular capillaries; Vasa recta
A unique feature of the renal circulation is that it contains ___ capillary beds arranged in series -
Answers 2
What is the balance equation? - Answers E = F + S - R
What percentage of plasma is filtered in the glomerulus? How much of that is usually excreted after
reabsorption has taken place? - Answers 20%; 1%
What is plasma? - Answers The aqueous component of blood
Plasma occupies ___% of blood volume; the rest is ___ - Answers 55%; the rest is RBCs aka hematocrit
What is serum? - Answers Plasma without fibrinogen
Out of plasma, interstitial fluid, and intracellular fluid, which one occupies the greatest volume in the
human body? - Answers Intracellular fluid (2/3 of total body water)
What is the 20, 40, 60 rule? - Answers ECF = 20%
ICF = 40%
TBW = 60% of body what
If you have questions about what it's like to be a scrub, who should you call? - Answers Atif Khan
If you have more muscle mass will your ratio of TBW to body weight increase or decrease? - Answers
Increase; this is why younger people have a higher ratio than old people
What is the major cation in the plasma? What about the second most? - Answers Na+; K+
What is the major cation in the ISF? Second most? - Answers Na+; K+
What is the major cation in the ICF? Second most? - Answers K+; Mg2+
What is the major anion in the plasma? Second most? - Answers Chloride; bicarbonate
What is the major anion in the ISF? Second most? - Answers Chloride; Bicarbonate
What is the major anion in the ICF? Second most? - Answers Phosphate; Protein
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