March test

Created by Klahr 

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59 terms

Which of the following is correct concerning the kidneys?

They are located behind the peritoneum

A renal corpuscle includes the

Glomerulus and Bowmans capsule

Which indicates the parts of a renal tubule in the correct sequence from beginning to end?

Proximal convoluted tubule, descending limb of the loop of Henle, ascending limb of the loop of Henle, distal convoluted tuble.
Remember by: Please decreas ascending distal

If the atreriole that supplies blood to the glomerulus becomse constricted

The glomerular filtration rate decreases

Reabsorption of glucose occurs primarily through the

Proximal convoluted tubule

The hormone ADH functions to promote water reabsorption through the wall(s) of the

distal convoluted tubule and collectiong duct

Which of the following would increase the rate of glomerular filtration

increased blood pressure

which of the following is not considered a function of the kidneys?

the formation of plasma proteins

True or False?
The urethra transports urine from the kidney to the urinary bladder?

False
(the Ureters do)

True or False?
The efferent arteriole supplies blood to the capillary of the glomerulus?

False
(the "A" afferent does)

True or False?
If the osmotic pressure of the blood plasma is decreased, the glomerular filtrate rate is increased?

True

True or False?
When the concentration of water in body fluids increases, the secretion of ADH increases?

False
(It decreases)

True or False?
Water reabsorption occurs throughout the length of the renal tubule by the process of "osmosis"

False

True or False?
ADH is produced by cells withing the "hypothalamus"?

True

True or False?
The juxtaglomerular apparatus consists of the juxtaglomerular cells and the cells of the "macula densa"?

True

True or False?
The triangular area on the internal floor of the urinary bladder with an opening at each of its angles is called the "trigone"?

True

True or False?
The bundles of interlaced muscular fibers in the wall of the urinary bladder comprise the "detrusor muscle"?

True

What is Renal sinus?

A hollow chamber within the kidney

What is the renal cortex?

Outer tissue of the kidney

What is the Vasa Recta?

specialized capillary loops

What is the renal pyramid?

Conical mass of tissue withing the renal medulla

What is the renal papilla?

elevation that projects into the renal sinus

The external urethral sphincter composed of?

composed of voluntary muscle

what is the detrusor muscle composed of?

composed of smooth muscle

Where is the external urethral orifice?

located at the tip of the penis

What is the mucous coat?

it is the inner lining of teh ureter

What is the serous coat?

it is the outer layer of teh urinary bladder

As a result of excessively low arterial blood pressure, the glomerular hydrostatic pressure?

drops and filtration decreases.

Aldosterone from the adrenal cortex causes sodium ions to be?

conserved and water to be conserved

The movement of water and electrolytes between fluid compartments is regulated primarily by?

hydrostatic pressure and osmotic pressure.

The thirst center is located in the?

Hypothalamus

During the act of drinking water, the desire for water is usually inhibited by?

distension of the stomach

The hormone aldosterone functions to promote the?

Reabsorption of sodium (Na)

Acid-base buffer systems minimize pH changes by?

converting strong acids to weak acids

Which of the following most closely represents the precentage of water by weight in an adult male?

65%

True or False?
In a healthy body the quantity of water within the body remains relatively stable at all times?

True

True or False?
Any factor that alters water balance will also alter electolyte balance?

True

The hormone ADH is released from the anterior lobe of the pituitary gland?

False

True or False?
Parathyroid hormone increases phosphate reabsorption from the renal tubules?

False

True or False?
The kidneys help to regulate the hydrogen ion concentration of body fluids by altering the rate at which hydrogen ions are secreted?

True

True or False?
The intracellular fluid compartment includes all water and electrolytes enclosed by "cell membrane"?

True

True or False?
The primary regulator of water intake is the mechanism of thrist?

True

True or False?
The primary mechanism that regulates the concentration of sodium ions in extracellular fluid involves a hormone secreted by the "adrenal cortex"?

True

True or False?
The concentration of calcium ions in extracellular fluid is regulated primarily by a hormone secreted by the "thymus gland"?

False

The differences between the nervous system and the endocrine system do not include?

The nervous system is slow acting and the endocrine system is fast acting.

The small elevations that project into the renal sinus from the renal pyramids are the?

Renal Papillae

The blood supply to the nephrons is via the?

"A" afferent arterioles
(A= Alloha/welcome....blood lmao)

The structure of the renal corpuscle consists of the?

Glomerulus and the Bowman's capsule

Blood leaves the glomerulus via?

"E" efferent
(E = Exits/leaves)

The amount of fluid filtered by the glomeruli of the two kidneys in a 24-hour period is?

45 Gallons
or could read as....
125 ml/min
180 liters/day
45 gallons/day
If you have to find the "per hour" = 180 divided by 24

Which of the following substances is normally present in the glomerular filtrate but not in the urine?

Glucose

True or False?
The "peritoneal cavity" is the potential space between the parietal and visceral pericardial membranes?

False
(Parietal pericardium is)

True or False?
When the left ventricle contracts, blood passes into the "left atrium"

False

True or False?
Blood is supplied to the myocardium by means of the "coronary" arteries?

True

True or False?
The blood vessels whose walls are thin enough to allow the exhange of gases between the blood and tissue fluid are "veins"?

False

True or False?
The excessive tissue fluid is returned to the venous circulation by means of the "lymphatic capillaries"?

True

True or False?
The descending aorta divides near the brim of the pelvis to form the right and left "common iliac" arteries?

True

True or False?
Strong elastic blood vessels that carry blood away from the heart is called "arteries"?

True

True or False?
The pressure that remains in the systemic arterial system during ventricular relaxation is called "diastolic" pressure?

True

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