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PHYSIOLOGY Excretory System Parts & Functions MOCK TEST

PHYSIOLOGY Excretory System Parts & Functions MOCK TEST

PHYSIOLOGY Excretory System Parts & Functions MOCK TEST

ABOUT THIS MOCK TEST 

đŸŸ„ PHYSIOLOGY Excretory System Parts & Functions MOCK TEST

đŸŸ„ NUMBER OF QUESTIONS : 25

đŸŸ„ TIME : 30 Mins

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85

PHYSIOLOGY Excretory System Parts & Functions MOCK TEST

đŸŸ„ PHYSIOLOGY Excretory System Parts & Functions

đŸŸ„ QUESTIONS : 25

đŸŸ„ TIME : 30 Mins

1 / 25

1)

Urinary bladder opens into
A. Urethra.
B. Ureter
C. Pelvis
D. Kidney

2 / 25

2)

The kidneys are stimulated to produce renin ———
- When the peri tubular capillaries are dilated
- when the pH of the urine decreases
- by a decrease in the blood pressure
- when the specific gravity of urine rises above 1.10

3 / 25

The urinary bladder is composed of – —-epithelium
- Transitional
- Simple squamous
- Stratified squamous

3) Pseudostratified columnar

4 / 25

4)

Which of the following is not associated with the renal corpuscles ( malpigian corpuscle)
- A podocytes
- A vasa recta
- A fenestrated capillary
- An efferent arteriole

5 / 25

5)

An increase in the permeability of the cells of the collecting tubule to watery do it to a(n)

..
- Decrease in the production of ADH
- increase in the production of ADH
- increase in the production of aldosterone
- decrease in the concentration of the blood plasma

6 / 25

6)

The mechanism that establishes the medullary osmotic gradient depends most on the permeability properties of the –
-Loop of Henle
- glomerular filtration membrane
- collecting duct
- distal convoluted tubule

7 / 25

7)

Which one of the following cells in the renal corpuscles can influence glomerular filtration by its contraction?
-Endothelial cells of glomerular capillaries
-Podocytes
-Parietal epithelial cells of Bowmans capsule
-Mesangial cells

8 / 25

8)

Vasa recta is loop of blood vessels running parallel to
a. PCT
b. DCT
c. Henle loop
d. Collecting duct

9 / 25

9)

Filtrate in descending limbs of Henley loop is compared with medulla is
a. Hypo tonic
b. Hypertonic
c. Isotonic
d. Mesotonic

10 / 25

10)

Podocytes are
a. Cells present on the endothelium of glomerular capillary
b. Cells present epithelium of Bowman capsule
c. Cells in PCT
d. Cells in DCT

11 / 25

11)

What is the role of aldosteron?
a. Initiate tubular secretion
b. Increased reabsorption if Na.
c water re absorption
d. A and c

12 / 25

12)

What is the role of Angiotensin?
a. It act on arterioles causing them to contract, so secretion of glomerular filtration increase
b. It stimulate the secretion of aldosteron
c. Bot a and b
d. None of these

13 / 25

13) What is wrong about hormone secreted by kidney

A Erythropoietin ,thrombopoietin
B.Rennin
C.calcitriol(1,25-dihydrixycholcalciferol)
D.prostaglandins

14 / 25

14)

Which among the following is wrong?
A) Cortical nephrons or superficial nephrons having the corpuscles situated in outer cortex near the periphery.
B) In human kidneys, only
15% nephrons are cortical nephrons.
C) Juxtamedullary nephrons having the corpuscles in inner cortex near medulla or corticomedullary junction.
D) Juxta medullary nephron is mainly for concentrating urine and also for formation of urine.

15 / 25

15)

End portion of thick ascending
segment,before it opens into distal convoluted tubule :
A)Macula densa
B) fenestrae
C) Vasa Recta
D) malpighian pyramid

16 / 25

16) which sacretes renin-----

🩋 stomach
🩋 juxta glomerular body
🩋 juxtacortical cell
🩋 juxta medullary cell

17 / 25

17) Which one of the following cells in the renal corpuscles can influence glomerular flirtation by its contraction?

A. Podocytes
B. Parietal epithelial cells of Bowman's capsule
C. Endothelial cells of glomerular capillaries
D. Mesangial cells

18 / 25

18)

Diameter of Bowman's capsule?
A) 55”
B) 15 ”
C) 100 ”
D) 200 ”

19 / 25

19)

Which component of blood plasma does not get filtered through nephron in a healthy human.
A- protein
B- Carbohydrates
C- Bicarbonate
D- Na+

20 / 25

20)

cortical tissue penetrates medulla in the form of columns,
which are called :
A) minor calyx
B) ducts of Bellini
C) columns of Bertini
D) fenestrae

21 / 25

21)

Kidney do not play any significant role in the removal of
A-Water
B- Ammonia
C- Urea
D- Uric acid

22 / 25

22)

❓Which of the following is not a part of renal tubule of nephron?
A) Distal convoluted tubule
B) Henley's loop
C) Proximal convoluted tubule
D) Glomerulus

23 / 25

23)

The most sensitive regions of retina is
A. Blind spot
B. Pigmented layer
C.yellow spot
D. Optic disc

24 / 25

24)

Sensory spots present in the ampulla of semicircular canals are
A. Maculae
B. Cristae
C. Otolith
D. Organ of corti

25 / 25

25)

Cones are having a pigment
A. Rodopsin
B. Scotopsin
C. Iodopsin
D. Melanin

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