Excretory System Multiple Choice Questions(MCQs) & Answers

Questions

1 In amoeba excretion takes place through the process of:

A Diffusion

B Infusion

C Uricotelic

D None of the above

View Answer

Answer: Diffusion

2 The major waste produced by human body are:

A Carbon dioxide

B Urea

C Both A and B

D Only B

View Answer

Answer: Both A and B

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3 In which of the following are the largest amounts of nitrogen excreted from a mammalian body?

A Breath

B Sweat

C Urine

D Faeces

View Answer

Answer: Urine

4 What types of nitrogenous wastes are excreted by living organisms?

A Ammonia

B Uric acid

C Urea

D All of the above

View Answer

Answer: All of the above

5 Which vessel carries blood to the kidneys?

A Renal Arteries

B Renal Vein

C Both A and B

D Only A

View Answer

Answer: Only A

6 The condition where urea accumulates in blood is ________

A Anemia

B Glycosuria

C Uremia

D Acidosis

View Answer

Answer: Uremia

7 What is glycosuria?

A Low amount of sugar in urine

B Average amount of sugar in urine

C Low amount of fat in urine

D High amount of sugar in urine

View Answer

Answer: High amount of sugar in urine

8 Inflammation of joint due to accumulation of uric acid crystals is called ____________

A Gout

B Osteoporosis

C Osteomalacia

D Myasthenia gravis

View Answer

Answer: Gout

9 About 90% of kidney stones can pass out through urinary system by drinking _______

A Water

B Juice

C Sugar drinks

D Milk

View Answer

Answer: Water

10 Which drug is indicated for pain related to acute renal calculi?

A Salicylates

B NSAIDS

C Narcotic analgesics

D Muscle relaxants

View Answer

Answer: Narcotic analgesics

11 Polystyrene sulfonate is used in renal failure to ___________

A Prevent constipation

B Reduce serum level

C Correct acidosis

D Exchange potassium ions

View Answer

Answer: Exchange potassium ions

12 What is the pH of the saliva?

A 3-5

B 7-8

C 5.5-6.2

D 6.2-7.4

View Answer

Answer: 6.2-7.4

13 Out of the following, which is a major secretory layer of the GI tract?

A Mucosa

B Submucosa

C Muscularis

D Serosa

View Answer

Answer: Mucosa

14 Name the type of secretory cell which secretes hydrochloric acid in the stomach?

A D-cell

B G-cell

C Mucous cell

D Parietal cell

View Answer

Answer: Parietal cell

15 Which of the following is NOT the function of the large intestine?

A Forming feces

B Absorb 90% of nutrients

C Defecating

D Absorbing some water, ions, and vitamins

View Answer

Answer: Absorb 90% of nutrients

16 Which of the following kidney function is NOT true?

A Regulate blood volume and composition

B Synthesize glucose

C Regulate blood pressure

D Defend the body against disease

View Answer

Answer: Defend the body against disease

17 Out of the following, which is the first step in urine production?

A Glomerular filtration

B Tubular secretion

C Tubular reabsorption

D Urinary bladder store urine

View Answer

Answer: Glomerular filtration

18 Which of the following hormone plays a major role in water reabsorption?

A Somatostatin

B Relaxasin

C Oxytocin

D Vasopressin

View Answer

Answer: Vasopressin

19 Which of the following is NOT the characteristics of the normal urine?

A Yellow or amber color

B Mildly aromatic

C 3-4 pH

D 1.001 to 1.035 specific gravity

View Answer

Answer: 3-4 pH

20 The number of uriniferous tubules in each kidney of man is

A About 10,000

B About 5,000

C Numerous

D About 1.0*106

View Answer

Answer: About 1.0*106

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