5th Histology Lecture Exam - Urinary System, Endocrine Glands, and Eye & Ear- Special Sense Organs 2025 Flashcards
The following are functions of the kidney EXCEPT:
A. Gluconeogenesis during starvation
B. Secretion of Vitamin D prohormone
C. Secretion of erythropoietin
D. Excretion of metabolic waste products
Secretion of Vitamin D prohormone
- This refers to the concave medial border of the kidney where blood, lymph vessels and ureter enter and exit.
A. Minor calyx
B. Major calyx
C. Renal pelvis
D. Hilum
Hilum
- This collects urine formed by the tubules in one renal lobe
A. Renal papilla
B. Renal pyramid
C. Major calyx
D. Minor calyx
Minor calyx
- The nephron consists of:
A. Renal tubule and renal medulla
B. Renal corpuscle and renal Cortex
C. Renal corpuscle and renal tubule
D. Renal tubule and renal cortex
Renal corpuscle and renal tubule
Which correctly describes the blood supply to the kidneys?
A. Renal artery derived > segmental arteries > interlobar arteries > arcuate arteries > interlobular > afferent arterioles > glomerulus > efferent arterioles
B. Renal artery derived > segmental arteries > interlobar arteries > interlobular arteries > arcuate arteries > afferent arterioles > efferent arterioles > glomerulus
C. Renal artery derived > segmental arteries > interlobar arteries > interlobular arteries > arcuate arteries > afferent arterioles > glomerulus > efferent arterioles
D. Renal artery derived > segmental arteries > interlobar arteries > interlobular arteries > arcuate arteries > afferent arterioles > glomerulus > efferent venules
Renal artery derived > segmental arteries > interlobar arteries > arcuate arteries > interlobular > afferent arterioles > glomerulus > efferent arterioles
The visceral layer of the corpuscle contains stellate epithelial cells called:
A. Intercalated cells
B. Mesangial cells
C. Principal cells
D. Podocytes
Podocytes
- Blood leaves and enter through which vessels; respectively?
A. Renal artery and efferent arteriole
B. Afferent arteriole and interlobular vein
C. Renal artery and Renal vein
D. Afferent arteriole and efferent arteriole
Afferent arteriole and efferent arteriole
- This is the most substantial part of the filtration barrier that separates the blood from the capsular space:
A. Fenestrations of the capillary endothelium
B. Filtration slits between pedicels
C. Spaces between the podocytes
D. Glomerular basement membrane
Glomerular basement membrane
- Identify the function of the principal cells in the collecting system.
A. Secretion of potassium
B. Active reabsorption of proteins
C. Passive reabsorption of proteins
D. Reabsorption of potassium
Secretion of potassium
- A renal lobe is:
A. Drains into a single interlobular duct
B. Composed of one medullary pyramid with its associated cortex
C. Grossly visible as a rounded bulge on the kidney surface
D. Separated from the other lobes by the fibrous capsule
Composed of one medullary pyramid with its associated cortex
- The region of the kidney containing the glomeruli
A. Medulla
B. Renal pelvis
C. Cortex
D. Renal papilla
Cortex
- The end of each medullary pyramid through which medullary ducts open into the calyx is called?
A. Renal papilla
B. Medullary ray
C. Renal lobule
D. Renal pelvis
Renal papilla
- The renal capsule is composed of:
A. Adipose connective tissue
B. Transitional epithelium
C. Loose connective tissue
D. Dense fibrous connective tissue
Dense fibrous connective tissue
- These cells line the interstitial spaces in the matrix between the capillaries
A. Pericytes
B. Fibroblasts
C. Mesangial cells
D. Podocytes
Mesangial cells
- The parietal epithelium of the Bowman capsule is lined by
A. Simple squamous epithelium
B. Simple cuboidal epithelium
C. Stratified squamous epithelium
D. Stratified cuboidal epithelium
Simple squamous epithelium
- What is the functional unit of the kidney?
A. Renal corpuscle
B. Nephron
C. Lobe
D. Medulla
Nephron
What structure leads to the collecting duct?
A. Loop of Henle
B. Distal Convoluted tubule
C. Bowman’s capsule
D. Glomerulus
Distal Convoluted tubule
- What cells are sensitive to sodium concentration?
A. Pedicels
B. Visceral layer of the Bowman’s capsule
C. Parietal layer of the Bowman’s capsule
D. Macula densa
Macula densa
- What type of epithelium lines the bladder?
A. Simple columnar epithelium
B. Simple cuboidal epithelium
C. Transitional epithelium
D. Stratified squamous epithelium
Transitional epithelium
- The muscle of the urinary bladder is called?
A. Muscularis
B. Adventitia
C. Transitional epithelium
D. Detrusor muscle
Detrusor muscle
- Choose the best description of the urothelium
A. When the bladder is empty, the urothelium is thinner
B. When the bladder is empty, the urothelium is smooth
C. When the bladder is full, the urothelium is folded
D. When the bladder is full, theurothelium is thinner
When the bladder is full, theurothelium is thinner
- Which is not part of the male urethra?
A. Prostatic
B. Spongy
C. External sphincter
D. Membranous
External sphincter
- This functions for the passive reabsorption of electrolytes
A. Thick ascending loop of Henle
B. Distal convoluted tubule
C. Thin limbs of the loop of Henle
D. Proximal convoluted tubule
Thin limbs of the loop of Henle
- What is the thickest layer of the ureter?
A. Muscularis
B. Mucosa
C. Adventitia
D. Lamina propia
Muscularis
- Each kidney has approximately how many nephrons?
A. 1-4 million
B. 5-9 million
C. 6-7 million
D. 3-5 million
1-4 million
- Its main function is to support the capillary oops
A. Mesangium
B. Nephrons
C. Podocytes
D. Pericytes
Mesangium
- The afferent arteriole enters the Bowman’s capsule thru the?
A. Hilum
B. Urinary pole
C. Vascular pole
D. Loop of Henle
Vascular pole
- This carries urine to the outside of the body
A. Ureter
B. Bladder
C. Kidneys
D. Urethra
Urethra
- This allows the peristaltic movement of the urine from the pelvicalyceal system to the bladder
A. Transitional epithelium
B. Lamina propia
C. Adventia
D. Muscularis mucosa
Muscularis mucosa
- These are the most abundant cells in the collecting system.
A. Podocytes
B. Mesangial cells
C. Principal cells
D. Intercalated Cells
Principal cells
- What is the epithelium of collecting ducts?
A. Simple squamous
B. Stratified cuboidal
C. Simple cuboidal
D. Stratified squamous
Simple cuboidal
- Give the function of intercalated cells.
A. Reabsorption of CI
B. Reabsorption of K
C. Reabsorption of organic anions
D. Reabsorption of Na
Reabsorption of K
- The loop of Henle is found in the?
A. Both cortex and medulla
B. Either cortex and medulla
C. Cortex
D. Medulla
Medulla
- The adrenal medulla secretes what hormone?
A. Aldosterone
B. Mineralocorticoid
C. Epinephrine
D. Glucocorticoid
Epinephrine
- What organ is nicknamed the “master gland”
A. Pituitary
B. Adrenal medulla
C. Adrenal cortex
D. Heart
E. Brain
Pituitary
- The adrenal cortex secretes all these hormones EXCEPT
A. Corticosterone
B. Cortisol
C. Cortisone
D. Oxytocin
Oxytocin
- Where can the structure “CorporaArenacea” found?
A. Pituitary
B. Thyroid
C. Pancreas
D. Adrenal gland
E. Pineal gland
Pineal gland