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What enzyme produced by the juxtaglomerular apparatus of nephrons converts angiotensinogen to another protein called angiotensin I?


An infection of the kidneys due to bacteria migrating from the bladder through the ureters to the kidneys is referred to as ________


Which hormone reduces blood volume and pressure as well as increasing urine volume?

Atrial natriuretic peptide (ANP)

The hormone whose activity is reduced due to the presence of caffeine is ______

Antidiuretic Hormone

An abrupt cessation of kidney function is called? _____

Renal failure

Thick, smooth muscle located at the junction of the bladder and urethra that aids in pushing stored urine into the urethra is called the ________

Internal urethral sphincter

The hormone erythropoietin (EPO) acts to stimulate cells that are located in the _______ of an adult.

red bone marrow

A hormone secreted by the hypothalamus that regulates the amount of water reabsorbed by the distal convoluted tubules and the collecting ducts of the nephrons is known as ________

ADH (Anti-diuretic hormone)

What disease is characterized by the excretion of large amounts of dilute urine caused by a deficiency of ADH?

Atrial natriuretic peptide (ANP)

What hormone regulates the reabsorption of sodium by the distal convoluted tubules and collecting ducts?


A region of the nephron that regulates the blood pressure in the afferent arteriole, which causes the stimulation and release of aldosterone is the ________

Juxtaglomerular Apparatus.

The nephron is under hormonal control for sodium and water reabsorption at the ______

distal convoluted tubule

The urinary system of humans is capable of removing excess amounts of all the following materials from the blood except:


A person has glucose in his or her urine as determined by a urinalysis. The area of the nephron that must be malfunctioning to allow glucose to be passed into the urine is the ________

proximal convoluted tubule

One of the problems associated with eating high amounts of protein in the diet is the production of large amounts of _____ by the cells.


What is important about Na+ and Cl- in the nephron?

Determines where water goes

Under the influence of atrial natriuretic hormone (ANP), you would expect to see ___________and ___________________.

Decreases blood volume and pressure, Production of dilute urine

Complications associated with kidney failure are:

All are complications associated with kidney failure

A person has been stranded for forty-eight hours with virtually no drinking water. All of the following would be expected but which one of the following:

An increase in plasma volume

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