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Histology > Histo module 5 > Flashcards

Histo module 5 Flashcards

1
Q

where does vasa recta drain into

a. segmental vein
b. interlobar vein
c. interlobular vein
d. arcuate vein
e. stellate vein

A

d

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2
Q

the renal corpuscle does not contain

a. mesangial cells
b. filtration slits
c. parietal epithelium of Bowman
d. glomerulus
e. macula densa

A

e. part of DCT

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3
Q

podocytes are

a. parietal epithelium of Bowman
b. visceral epithelium of Bowman
c. mesangial cells
d. JG cells
e. Glomerular capillary cells

A

b

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4
Q

medullary rays

a. are in the cortex
b. are in the medulla
c. run parallel to acuate arteries
d. identical to colums of Bertini
e. are interlobar arteries

A

a

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5
Q

which of the ff is incorrect

a. endothelial cells of glomerulus are fenestrated
b. macula densa is part of JG apparatus
c. peritubular capillary plexus is found in the renal cortex
d. cells of efferent artery belongs to JG apparatus
e. podocytes touch the basement membrane of glomerulus

A

d

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6
Q

renin is produced by

a. macula densa
b. glomerular endothelium
c. visceral epithelium of Bowman
d. PCT
e. cells of afferent arteriole

A

e.

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7
Q

true about vasa recta

a. surround PCT and DCT
b. surround renal corpuscles
c. drain into interlobar veins
d. surround collecting tubules
e. originate from afferent arteriole

A

d.

peritubular capillaries surround PCT and DCT

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8
Q 
Which among the pairs is incorrectly matched 
A. CT- medullary ray 
B. Fenestrations- glomerulus 
C. Renin- hormone
D. Glomerulus - renal corpuscle
E. NOTA
A

C. Renin is an enzyme

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9
Q

which of the ff is incorrect about kidney circulation

a. blood flows from interlobar arteries to arcuate arteries to interlobular arteries
b. blood flows from glomerulus to efferent arteriole to peritubular capillary
c. plexus blood flows from interlobular vein to arcuate vein to interlobar vein
d. vasa recta are found in the medulla
e. afferent arterioles give rise to vasa recta

A

e

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10
Q 
Which of the ff pairs is incorrect 
A. Macula densa - DCT
B. Glomeruli- cortex
C. Renin- efferent arteriole of glomerulus 
D, Fenestrated capillaries - glomerulus 
E. Many mitochondria - PCT
A

C. Afferent

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11
Q 
Incorrect about JG cells 
A. Epitheloid cell
B. Secretory cell
C. Found in macula densa 
D. Afferent arterioles 
E. Produce renin
A

C

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12
Q 
Venous drainage of vasa recta
A. Inter lobar vein 
B. Arcuate vein 
C. Stellate vein 
D. Inter lobular vein
A

B

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14
Q

Diabetes insipidus is associated with
A. Thickened basal lamina of glomerulus
B. Lack of insulin by islet of Langerhans
C. Overproduction of glucagon by islet of Langerhans
D. Lack of ADH production by hypothalamus
E. Lack of somatostatin production

A

D

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15
Q 
Brush border is present in the 
A. Glomerulus 
B. PCT
C. LOH
D. DCT
E, CT
A

B

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16
Q

What kind of enzyme is renin

A

Protease

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17
Q 
Incorrect about para convoluta of the kidney 
A, contains DCT
B. Contains inter lobular artery
C. Contains PCT
D. Contains renal corpuscles 
E. NOTA
A

E

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19
Q 
vasa recta originates form 
A, inter lobular artery 
B. Afferent arteriole
C. Efferent arteriole 
D. Inter lobar artery
A

C

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20
Q 
Medullary rays contain 
A. PCT
B. LOH thin segments 
C. CT
D. Glomerulus
E. NOTA
A

C

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21
Q

Most distinct feature of the renal cortex

A

Medullary rays

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22
Q 
Element directly involved in filtration regulation of the glomerulus 
A. Parietal layer of bowman 
B. Efferent arteriole 
C. Pct
D. bowman space
E. Pedicels of podocytes
A

E

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23
Q

Basal Striations of the pct are

A

Mitochondria

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24
Q 
Which of the ff would not be completely invested by a serosa
A. Ureter
B. Ileum
C, stomach 
D. Proximal large intestine 
E. Distal esophagus
A

A

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25
Q

The calyx of the kidney, ureter, and u. Bladder
A. All invested in skeletal muscle
B. All lined by transitional epithelium
C. All share distinct and continuous mucosa
D. Do not have any properties in common

A

B

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26
Q

Endothelial cells of glomerulus
A. Fenestrations without diaphragm
B. Identical with Other Fenestrated capillaries
C. Do not participate in urine production
D. Part of venous sinus

A

A

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27
Q 
Cells thought to funciton in the removal of particulate matter form the basal lamina are termed 
A. Horny cell 
B. Podocytes 
C. Mesangial cells 
D. G cells 
E. Centroacinar cells
A

C

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28
Q 
Region of the cortex which contains majority of the Malphigian corpuscles is known as 
A, medullary ray
B. Cortical labyrinth 
C. Lamina densa
D. JG apparatus
E. Lamina rara
A

B

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29
Q

Female urethra is lined by

A

Stratified squamous

30
Q 
Gives rise to more than 90% of tumors in the u. Bladder 
A. Epithelia lining 
B. Smooth muscle cells 
C. Fibroblast 
D, nerve cell
A

A

31
Q 
Blood leaves the glomerulus via 
A. Arcuate vein
B. Efferent arteriole 
C. Peritubular capillary 
D. Vasa recta
A

B

32
Q 
JG cells are found un the 
A. Parietal layer of Bowman
B. Tunica media of afferent arterioles 
C. Macula densa
D. NOTA 
E. Visceral layer of bowman
A

B

39
Q

True or false. Mesonephros completely degenerates

A

False. Remnant: Wolffian duct

48
Q

Incorrect about basal lamina of the glomerulus
A. Has negative charge
B. Central layer is called lamina densa
C. Contains type IV collagen
D, contains heparin sulfate
E. Allows molecules with molecular weight of 100 000 to filter

A

E. Less than or equal to 69KD

49
Q 
One renal pyramid and its renal columns is called 
A. Renal lobule
B. Renal lobe 
C. Renal segment 
D. Renal pelvis
A

B

50
Q 
Which of the ff layer of basal lamina is closest with the podocytes process 
A. Lamina rara interna
B. Lamina densa
C. Lamina externa 
D. Lamina propria
A

C.

Lamina rara interna - closest to endothelium

51
Q 
Primary barrier in the filtering of substances 
A. Endothelium 
B. Basal membrane 
C. Slit diaphragm 
D. Nephron
A

C

52
Q 
Entire blood volume passes thru renal glomerulus every 
A. 5 Minute 
B. 45 minutes 
C. Half day 
D.  1 day
A

B

53
Q 
Urinary system starts to develop at 
A. Age of gestation : 4th week 
B. Age of gestation : 6th week 
C. Age of gestation : 8th week 
D. Age of gestation : 10th week
A

B.

54
Q

True or false. The urinary system develops later than the genital system

A

False. Before

55
Q 
Urinary system primodium 
A. Endoderm 
B. Mesoderm 
C. Ectoderm
D. Hypoderm
A

B

57
Q 
Kidney becomes functional at what age 
A. 4th week 
B. 5th week 
C. 9th week
D. 10th week
A

C

58
Q 
Precursor of bladder and urethra 
A. Ureteric bud 
B. Metanephric blAstoma 
C. Urogenital ridge 
D. Urorectal septum
A

D

59
Q 
Which part of the urethra has transitional epithelium 
A. Female
B. Male prostatic 
C. Male membranous 
D. Male penile
A

B

60
Q 
Characterized by a V shaped lumen 
A. Ureter 
B. Female urethra 
C. Male urethra 
D. Urinary bladder
A

C
Ureter- Stellate
Female urethra - crescent

61
Q 
This organ has 3 layers of muscularis externa 
A. Ureter
B. Urinary bladder 
C. Urethra 
D. Kidney
A

B. Detrussor muscle

62
Q 
This cell gives the scalloped appearance of uroepithelium 
A. Basal cell 
B. Podocytes 
C. Mesangial cell 
D. Dome cell
A

D

63
Q

True or false, PCT are miore acidophilic than DCT

A

True

64
Q 
The ff are components of medullary ray except 
A. Proximal descending LOH 
B. Distal ascending LOH 
C. Collecting tubule 
D. PCT
A

D

65
Q

What is the glomerulus?

a. Afferent arteriole
b. Efferent arteriole
c. Capillary tuft
d. Peritubular capillaries
e. Vasa recta

A

c

66
Q

what supplies blood to the glomerulus

a. Afferent arteriole
b. Efferent arteriole
c. Capillary tuft
d. Peritubular capillaries
e. Vasa recta

A

a

67
Q

What is the Malpighian corpuscle?

a. Glomerulus
b. Bowman’s capsule
c. Renal corpuscle
d. Loop of Henle
e. Distal convoluted tubule

A

c

68
Q

What are the ducts of Bellini?

a. Collecting tubules
b. Distal convoluted tubule
c. Proximal convoluted tubule
d. Loop of Henle
e. Medullary ray

A

a

69
Q

What vessels arise from the efferent arteriole?

a. Afferent arteriole
b. Efferent arteriole
c. Capillary tuft
d. Peritubular capillaries
e. Vasa recta

A

d

70
Q

Which of the following is NOT a function of the kidney?

a. Erythropoietin production
b. Vitamin D modification
c. Acid base balance
d. Aldosterone production
e. Renin production

A

d

71
Q

What are the “straight vessels”?

a. Afferent arteriole
b. Efferent arteriole
c. Capillary tuft
d. Peritubular capillaries
e. Vasa recta

A

e

72
Q

What vessel is formed from an aggregation of the glomerular capillaries?

a. Afferent arteriole
b. Efferent arteriole
c. Capillary tuft
d. Peritubular capillaries
e. Vasa recta

A

b

73
Q

becomes adult kidney

a. pronephros
b. mesonephros
c. metanepros
d. azonephros

A

c

74
Q

the ff is from the metanephric mass of intermediate mesoderm except

a. PCT
b. LOH
c. DCT
d. Bowman’s capsule
e. CD

A

e

75
Q

non fusion of ureteric bud and metanephric blastoma would result in

a. cystic kidney
b. horseshoe kidney
c. bifid ureter
d. renal agenesis

A

a

76
Q

precursor of ureter

a. upper UG
b. pevic UG
c. phallic UG
d. UG septum

A

a.

phallic and pelvic for urethra

77
Q

primary role of kidney

a. waste excretion
b. maintenance of water and electrolytes
c. secretion of erythropoetin
d. production of vitamin D

A

b

78
Q 
renal capusle is made of 
a LCT
b. DCT
c. DICT 
d. elastic fibers
A

c

79
Q

marks the boundary between renal cortex and medulla

a. interlobar artery
b. arcuate artery
c. afferent artery
d. intralobular artery

A

b

80
Q

nephrotic syndrome is characteized by loss of what kind of protein

a. nephrin
b. calcinin
c. adherin
d. eutopin

A

a

81
Q

lining epithelium of renal pelvis

a. simple cuboidal
b. simple columnar
c. simple squamous
d. pseudostratified
e. transitional

A

e

82
Q

characteristics of GUT organs except

a. has 3 layers
b. muscalaris externa is composed of inner longitdinal and outer circular layer
c. muscalaris externa is composed of outer longitdinal and inner circular layer
d. absence of submucosa

A

c

83
Q

morphology of Littre’s gland

a. compound acinar
b. simple acinar
c. compound tubuloacinar
d. unicellular

A

b. other books simple tubular

84
Q

Regions between medullary rays

A

Cortical labyrinth

Histology (7 decks)

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