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Excretory Products And Their Elimination

176 Questions Start Allen Test
All Exams Allen
Q151 Allen ANALYTICAL QUESTIONS MCQ
Which of the following is responsible for excretion of dilute urine ?
A.
More secretion of Renin
B.
Less secretion of vasopressin
C.
More secretion of aldosterone
D.
Less secretion of K+ into the filtrate
Q152 Allen ANALYTICAL QUESTIONS MCQ
When a person is suffering from poor renal absorption which one of the following factor will not help in maintenance of blood volume?
A.
Decreased glomerular filtration
B.
Increased ADH secretion
C.
Decreased arterial pressure in kidney
D.
Increased arterial pressure in kidney
Q153 Allen ANALYTICAL QUESTIONS MCQ
In response to decrease in blood volume and blood pressure which of the following does not occur?
A.
Secretion of Renin
B.
Secretion of aldosterone
C.
Secretion of vasopressin
D.
Secretion of ANF
Q154 Allen ANALYTICAL QUESTIONS MCQ
Indicate whether the following statements are true (T) or false (F). a. Micturition is carried out by a reflex. b. ADH helps in water elimination, making the urine hypotonic. c. Protein-free fluid is filtered from blood plasma into the Bowman's capsule. d. Henle's loop plays on important role in concentrating the urine. e. Glucose is actively reabsorbed in the proximal convoluted tubule.
A.
a - T, b - F, c - T, d - T, e - T
B.
a - T, b - F, c - T, d - F, e - T
C.
a - F, b - T, c - F, d - T, e - F
D.
a - T, b - F, c - F, d - T, e - T
Q155 Allen ANALYTICAL QUESTIONS MCQ
Read the following points :-
(i) Increases GFR (ii) Increases B.P. (iii) Decreases blood volume (iv) Increases aldosterone secretion (v) Vasoconstrictor (vi) Increases Na⁺ excretion How many points are correct about Angiotensin II?
A.
Two
B.
Three
C.
Four
D.
Five
Q156 Allen ANALYTICAL QUESTIONS MCQ
The amount of glucose present in urine of normal man is :-
A.
0 mg/ml
B.
120 mg/ml
C.
40 mg/ml
D.
5 mg/ml
Q157 Allen ANALYTICAL QUESTIONS MCQ
You and your study partner want to draw the pathway that controls the reabsorption of sodium ion when blood pressure falls. Which of the following is the correct sequence of events?
(a) Aldosterone is released (b) Kidney tubules reabsorb Na⁺ (c) Renin is released (d) Juxtaglomerular apparatus (JGA) recognizes a drop in blood pressure. (e) Angiotensin II is produced
A.
a, c, e, b, d
B.
d, b, c, a, e
C.
d, c, e, a, b
D.
b, d, c, a, e
Q158 Allen ANALYTICAL QUESTIONS MCQ
Ketonuria is :-
A.
albumin in urine
B.
globulin in urine
C.
ketone bodies in urine
D.
glucose in urine
Q159 Allen ANALYTICAL QUESTIONS MCQ
Which of the following statements are not incorrect?
(i) Liver, the largest gland in our body secretes cholesterol, degrade steroid hormones, vitamins and drugs
(ii) Sebaceous glands eliminate certain substances like urea, sterols and sebum
(iii) Sweat produced by sweat glands is a oily fluid containing NaCl
(iv) In uremic patients urea and glucose can be removed by a process called haemodialysis
A.
i, ii, iii
B.
i, ii, v
C.
i only
D.
i, ii, iv
Q160 Allen ANALYTICAL QUESTIONS MCQ
I. ADH II. Renin-angiotensin III. ANF IV. Counter-current mechanism Choose the option containing factors, which regulates the osmoregulation of body fluids
A.
I, II and III
B.
II, III and IV
C.
I, II and IV
D.
All of the above
Q161 Allen ANALYTICAL QUESTIONS MCQ
An increase in the body fluid volume can switch off the ...A... and ...B... the ADH release. In this way complete the ..C.... . Choose the correct option for A, B and C.
A.
A-osmoreceptors, B-increase, C-feedback
B.
A-osmoreceptors, B-suppress, C-feedback
C.
A-kidney filtration, B-increase, C-feedback
D.
A-kidney filtration, B-suppress, C-feedback
Q162 Allen ANALYTICAL QUESTIONS Match the Columns
Match the Column-I with Column-II:
Column-IColumn-II
(A)Ammonotelism
(B)Bowman's capsule
(C)Micturition
(D)Uricotelism
(E)ADH
(I)Birds
(II)Water reabsorption
(III)Bony fish
(IV)Urinary bladder
(V)Renal tubule
A.
A—III; B—IV; C—V; D—I; E—II
B.
A—I; B—V; C—IV; D—III; E—II
C.
A—III; B—V; C—IV; D—I; E—II
D.
A—II; B—V; C—I; D—IV; E—II
Q163 Allen ANALYTICAL QUESTIONS MCQ
Angiotensinogen is a protein produced and secreted by –
A.
Macula densa cells
B.
Endothelial cells (cells lining the blood vessels)
C.
Liver cells
D.
Juxtaglomerular (JG) cells
Q164 Allen ANALYTICAL QUESTIONS MCQ
A person who is on a long hunger strike and is surviving only on water, will have :-
A.
Less urea in his urine
B.
More sodium in his urine
C.
Less amino acids in his urine
D.
More glucose in his blood
Q165 Allen ANALYTICAL QUESTIONS MCQ
Consider the following four statement (a-d) about certain desert animals such as kangaroo rat :-
(a) They have dark colour and excrete solid urine
(b) They do not drink water, breathe at a slow rate to conserve water and have their body covered with thick hairs
(c) They feed on dry seeds and do not require drinking water
(d) They excrete very concentrated urine and do not use water to regulate body temperature
Which two of the above statements for such animals are true?
A.
c and a
B.
a and b
C.
c and d
D.
b and c
Q166 Allen ANALYTICAL QUESTIONS MCQ
Uric acid is the chief nitrogenous component of the excretory products of :-
A.
Frog
B.
Man
C.
Earthworm
D.
Cockroach
Q167 Allen ANALYTICAL QUESTIONS MCQ
What will happen if the stretch receptors of the urinary bladder wall are totally removed?
A.
There will be no micturition
B.
Urine will not collect in the bladder
C.
Micturition will continue
D.
Urine will continue to collect normally in the bladder
Q168 Allen ANALYTICAL QUESTIONS MCQ
Which one of the following statements in regard to the excretion by the human kidneys is correct?
A.
Ascending limb of Loop of Henle is impermeable to electrolytes
B.
Descending limb of Loop of Henle is impermeable to water
C.
Distal convoluted tubule is incapable of reabsorbing ${ \mathsf { H C O } } _ { 3 } { } ^ { - } ;$
D.
Nearly 99 per cent of the glomerular filtrate is reabsorbed by the renal tubules
Q169 Allen ANALYTICAL QUESTIONS MCQ
The principal nitrogenous excretory compound in humans is synthesised:-
A.
in the liver, but eliminated mostly through kidneys
B.
in kidneys but eliminated mostly through liver
C.
in kidneys as well as eliminated by kidneys
D.
in liver and also eliminated by the same through bile
Q170 Allen ANALYTICAL QUESTIONS MCQ
Which one of the following is not a part of a renal pyramid ?
A.
Peritubular capillaries
B.
Convoluted tubules
C.
Collecting ducts
D.
Loops of Henle
Q171 Allen ANALYTICAL QUESTIONS MCQ
Which one of the following correctly explains the function of a specific part of a human nephron?
A.
Podocytes: Create minute spaces (slit pores) for the filtration of blood into the Bowman's capsule
B.
Henle's loop: most reabsorption of the major substances from the glomerular filtrate
C.
Distal convoluted tubule: reabsorption of K⁺+ ions into the surrounding blood capillaries
D.
Afferent arteriole: carries the blood away from the glomerulus towards renal vein.
Q172 Allen ANALYTICAL QUESTIONS MCQ
Uricotelic mode of passing out nitrogenous wastes is found in :-
A.
Reptiles and Birds
B.
Birds and Annelids
C.
Amphibians and Reptiles
D.
Insects and Amphibians
Q173 Allen ANALYTICAL QUESTIONS MCQ
Which one of the following statements is correct with respect to kidney function regulation ?
A.
When someone drinks lot of water, ADH release is suppressed.
B.
Exposure to cold temperature stimulates ADH release.
C.
An increase in glomerular blood flow stimulates formation of Angiotensin II.
D.
During summer when body loses lot of water by evaporation, the release of ADH is suppressed.
Q174 Allen ANALYTICAL QUESTIONS MCQ
The maximum amount of electrolytes and water (70 –80 percent) from the glomerular filtrate is reabsorbed in which part of the nephron?
A.
Proximal convoluted tubule
B.
Descending limb of loop of Henle
C.
Ascending limb of loop of Henle
D.
Distal convoluted tubule
Q175 Allen ANALYTICAL QUESTIONS MCQ
A fall in glomerular filtration rate (GFR) activates:
A.
adrenal medulla to release adrenaline
B.
posterior pituitary to release vasopressin
C.
juxta glomerular cells to release renin
D.
adrenal cortex to release aldosterone