Excretory System MCQs | Excretory System Multiple Choice Questions and Answers

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Questions
1 In amoeba excretion takes place through the process of:
A Diffusion
B Infusion
C Uricotelic
D None of the above

Answer: Diffusion
2 The major waste produced by human body are:
A Carbon dioxide
B Urea
C Both A and B
D Only B

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

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

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

Answer: Only A
6 The condition where urea accumulates in blood is ________
A Anemia
B Glycosuria
C Uremia
D Acidosis

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

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

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

Answer: Water
10 Which drug is indicated for pain related to acute renal calculi?
A Salicylates
B NSAIDS
C Narcotic analgesics
D Muscle relaxants

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

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

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

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

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

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

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

Answer: Glomerular filtration
18 Which of the following hormone plays a major role in water reabsorption?
A Somatostatin
B Relaxasin
C Oxytocin
D Vasopressin

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

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

Answer: About 1.0*106

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