Renal Anatomy BMS 250 True False

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40 Questions

The urethra in males has three parts: prostatic, membranous, and penile

True

The artery that supplies blood to the prostatic part of the male urethra is the inferior vesical artery

True

The membranous part of the male urethra is primarily supplied by the bulbourethral artery

False

Podocytes are stellate epithelial cells found in the visceral layer of the glomerular capsule

True

The afferent arterioles that bring blood to the glomerular capillaries arise from interlobular arteries in the medulla of the kidney

False

The pyramids in the kidney are not subdivided into outer and inner zones based on the organization of tubules and blood vessels within them.

False

The urethra receives its innervation from the renal plexus.

False

Podocytes play a role in maintaining filtration rate by adjusting contractions in Bowman's capsule.

False

The metanephros forms a uriniferous tubule draining into the duct farthest from its point of origin.

True

The urinary space in Bowman's capsule is also known as Bowman's space.

True

Blood flow in the kidney starts from the renal pelvis and ends at the renal papilla.

False

Each vesicular mass in the kidney develops a central cavity and remains linear in shape.

False

The proximal tubule consists of the proximal convoluted tubule and the distal straight tubule.

False

Descending thin limbs of the Loop of Henle begin at the border between the inner and outer stripe of the outer medulla.

True

Glomerular mesangial cells have a primary role in secretion of hormones to regulate urine output.

False

The nephric system includes the pronephros, mesonephros, and metanephros in that specific order during kidney development.

True

The pronephros consists of 4-8 pairs of tubules that open into a single primary duct.

False

The mesonephric duct establishes a connection with the primary nephric duct as it grows cranially to join the cloaca.

False

The cephalic end of the ureteral bud expands to form the renal pelvis during the development of the metanephros.

True

Mesodermal cells become arranged close to the open end of the collecting ducts during the development of the metanephros.

False

The Juxtaglomerular Apparatus is located where the thick descending limb meets the macula densa.

False

Extraglomerular mesangial cells are differentiated smooth muscle cells in the walls of the efferent arterioles.

False

The proximal convoluted tubule is permeable to only water as it descends into the medulla.

False

The distal convoluted tubule reabsorbs glucose and amino acids from the filtrate back into the bloodstream.

False

The ureters originate from the metanephros embryologically.

False

The glomerular basement membrane separates the blood from the capsular space and forms by fusion of the capillary- and podocyte-produced basal laminae.

True

The cells of the proximal tubules have central nuclei and very basophilic cytoplasm because of the abundant mitochondria.

False

The thin ascending limb of the loop becomes the thick ascending limb, with simple cuboidal epithelium and many mitochondria.

False

Peritubular capillaries are scarce in the surrounding connective tissue interstitium.

False

Slit diaphragms in the glomerular filtration barrier are zipper-like structures that bridge adjacent pedicels.

True

The kidneys are retroperitoneal organs.

True

The main function of the nephron is to produce urine.

False

The ureters transport urine from the kidneys to the bladder through peristaltic contractions.

True

The trigone is a smooth triangular area in the bladder formed by the openings of the ureters and the urethra.

True

The parasympathetic nervous system is responsible for relaxation of the bladder detrusor muscle during micturition.

True

Filtration in the kidneys primarily occurs in the loop of Henle.

False

Erythropoietin production is one of the endocrine functions of the kidney.

True

Fenestrated capillaries in the glomerulus allow for efficient filtration due to their large pores.

True

The loop of Henle is responsible for reabsorption of water and electrolytes in the nephron.

True

The juxtaglomerular apparatus is involved in regulating blood pressure and filtration rate in the kidney.

True

Test your knowledge on the function of the nephron, focusing on the renal corpuscle including the glomerulus and Bowman's capsule. Learn about the role of the juxtaglomerular apparatus in ADH response and water reabsorption.

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