Chap.15 Homeostasis MCQs with solution

 

1.	Chap No. 15 homeostasis
2.	The enlarged end of the ureter within the kidney is: (a) Nephron                 (b) Urinary Bladder (c)Pelvis                       (d) Hilus	C
3.	In nephron glomerulus is present in the: (a) Bowman's Capsule             (b) First coiled part (c) Second coiled part (d) Loop of Henle	A
4.	Which one of the following controls salt levels in the human body: a) Lungs                       (b) Kidney (c) Heart                      (d) All of these	B
5.	The removal of nitrogenous waste and any other substance which are not needed in the cell activities is: (a) Excretion                (b) Homeostasis (c) Respiration             (d) Co-ordination	A
6.	A mammal excretes nitrogen in the form of: (a) Ammonium lons     (b) Amino Acids (c) Urea                       (d) Uric Acid	C
7.	In humans, which kidney lies a little lower than other: (a) Right                       (b) Left (c) Both are present at same level (d) None of these	A
8.	The unit of structure and function in human kidney is: (a) Nephron                 (b) Neuron (c) Alveoli                   (d) All of these	A
9.	About how many nephrons are there in each kidney of human: (a) 16                           (b) 200 (c) 1000                       (d) 1000000	D
10.	The force that moves fluid from the blood through the walls of a capillary and bowman's capsule of a nephron is: (a) The beating of cilia             (b) Blood pressure (C) Peristalsis of capsule          (d) Gravity	B
11.	Which of the following components of th blood does not enter the nephron: (a) lons                                    (b) Glucose (c) Plasma Proteins      (d) Urea	C
12.	Which of the following parts of the nephron is least permeable to water: (a) Proximal tubules (b) Descending limb of the Loop of Henle (C) Ascending limb of the Loop of Henle (d) Collecting duct	C
13.	The functioning of kidney to form urine is the result which of the following process: (a) Pressure filtration through the glomerulus (b) Reabsorption of the filtrate as it passes through the glomerulus (c) Tubular secretion (d) All of these	D
14.	In man urea is formed principals in: (a) Gall Bladder                       (b) Liver (c) Pancreas                             (d) Kidneys	B
15.	The complex cyclic sequence of enzymatic reaction as a result of which urea is formed is (a) Urea Cycle                         (b) Ornithine Cycle (0) Urine Cycle                        (d) Botha and b	D
16.	The pH of urine vary from: (a) 4 to 5                      (b) i to 4 c) 11                            (d) 4.6 to 8	D
17.	The enlarged end of the ureter within the kidney is: (a) Nephron                 (b) Urinary Bladder (c) Pelvis                      (d) Hilus	C
18.	In a nephron glomerulus is present in the (a) Bowman's Capsule             (b) First coiled part (c) Second coiled part (d) Loop of Henle	A
19.	Which one of the following controls salt levels in the human body: (a) Nephridia               (b) Malpighian Tubules (c) Kidney                   (d) Alveol	C
20.	Various nitrogenous excretory substance formed during chemical changes in the cells are: (a) Ammonia               (b) Urea (c) Uric Acid                (d) All of these	D
21.	The pH of urine vary form: (a) 4.00 to 8.00                        (b) 4.1 to 8,00 (c) 4610800                 (d) 4.8 to 8.00	C
22.	The nitrogenous wastes in man are removed by: (a) Lungs                     (b) Kidney (c) Blood                     (d) Both a and b	D
23.	The enlarged anterior end of the ureter in human kidney is called: (a) Pelvis                      (b) Hilus (c) Bean                       (d) All of these	A
24.	Which of the following is correct about the kidney? (a) Filteration Occurs in the Bowman's Capsule and is non-Selective (b) Filteration is selective and occurs by active Transport  (c) Reabsorption is selective and occurs by  passive transport only (d) Reabsorption occurs in the glomerulus	c
25.	In human, urea is: (a) Produced in the kidney and excreted by the skin (b) Produced in the liver and excreted mainly by the kidneys (c) Produced in the lungs as a by-product of exhaling (d) Accumulates in our Bodies as We Age	B
26.	ADH most directly affects: (a) Glomerulus             (b) Bowman's capsule (c) Lacteal                    (d) Collecting tubule of the nephron	D
27.	Which of the following animals is an  osmoconformer? (a) Shark                      (b) Skate (e) Hag Fish                 (d) All of these	D
28.	Fresh water animals actively transport salts from the external dilute medium with the help of special salt cells called: (a) Choanocytes           (b) lonocytes (c) Melanocytes           (d) Solenocytes	B
29.	One of the following is concerned with the secretion of salts: (a) Brunner's Glands    (b) Sebaceous Glands (c) Rectal Glands         (d) Preen Gland	C
30.	Land snail is: (a) Ammonotelic          (b) Ureotelic (c) Uricotelic                (d) None of these
31.	The rate of blood flows through both kidneys per minute is approximately: (a) 5 L                          (b) 8 L (c) 1.2 L                       (d) 3 L	C
32.	The kidney is surrounded by tough membrane tissue known as: (a) Pericardium                        (b) Renal Peritoneum (c) Periosteum              (d) Sarcolemma	B
33.	The act of emptying the bladder is called: (a) Circulation              (b) Filtration (c) Secretion                (d) Micturition	D
34.	The capillaries surrounding the loop of the Henle are called: (a) Peritubular capillary network          (b) Vasa Recta (c) Glomerulus (d) All of these	B
35.	The cells of Bowman's capsule in the kidneys glomerulus are called: (a) Lonocytes               (b) Podocytes (c) Choanocytes           (d) Yellow cells	b
36.	How much glomerular filtrate is produced ultrafiltration per minute? (a) 12 ml                      (b) 25 ml (c) 125 ml                    (d) 251 ml	C
37.	Which part of the loop of Henle is impermeable to water? (a) Ascending Limb     (b) Descending Limb (c) Both Limbs (d) Henle's Loop has no relation with water	A
38.	The distal convoluted tubule perform the functions like: (a) Osmoregulation      (b) Maintaining blood pH (c) Sodium                   (d) All of these	D
39.	Tubular secretion is caused mainly by: (a) Diffusion                (b) Active transport (c) Carrier molecules   (d) All of these	B
40.	Cystitis is the infection of: (a) Kidney                   (b) Urethra (c) Bladder                   (d) Nephron	C
41.	Fungal organism causing urinary tract infection is: (a) Escherichia Coli     (b) Klebsiella (c) Staphylococcus      (d) Candida Albicans	D
42.	High calcium level in the blood is known as: (a) Hypercalcemia       (b) Hypercalciuria (c) Hypocalcemia        (d) Hyperuricemia	A
43.	Normal range of uric acid in the blood of men: (a) 1 mg/dL                  (b) 3.4-7 mg/dL (C) 10 mg/L                 (d) 20 mg/dL	B
44.	Percutaneous Nephrolithotomy (PCNL) technique is used to remove: (a) Small kidney stones            (b) Large kidney stones (c) Urea                       (d) None of these	B
45.	Presence of blood in the urine is called (a) Glycosuria              (b) Anuria (c) Haematuria             (d) Pyelonephritis	C
46.	A metabolic disorder in which an excess of uric acid accumulates in the body and is deposited in the joints is known as: (a) Pyrexia                   (b) Hyperoxaluria (c) Gout                       (d) Diabetes Insipidus	c
47.	The protection of an internal environment frobm the harms of fluctuations is the definition of which of the following? (a) Osmoregulation      (b) Excretion (c) Thermoregulation   (d) Homeostasis	D
48.	The environment where the animals produce large volume of diluted urine is: (a) Hypotonic Aquatic (b) Isotonic Aquatic (c) Hypertonic Aquatic            (d) Terrestrial	C
49.	The excretory product that requires minimum water for its elimination compare to others: (a) Urea                       (b) Uric Acid (e) Creatinine               (d) Ammonia	B
50.	The excretory structures that deliver urine from kidneys to urinary bladder are: (a) Urethra                   (b) Ureter (c) Pelvis                      (d) Collecting Tubule	B
51.	The metabolic wastes that are ingested into the body and must be removed include: (a) Pesticides                (b) Drugs (c) Food additives        (d) All of these	D
52.	Which of the following is not endotherm? (a) Bird                                    (b) Amphibian (c) Flying Insects         (d) Mammals	B
53.	Name the type of adaptations from the following that is responsible for shivering thermogenesis: (a) Structural                (b) Physiological (c) Behavioral              (d) All of these	B
54.	The primary advantage of peritoneal dialysis is: (a) More effectiveness than Haemodialysis (b) Can be used without dialysate (c) Can be used without any catheter (d) Mobility	D
55.	First successful kidney transplantation took  place in: (a) 1930                       (b) 1954 (c) 1980                       (d) 1994	B
56.	How many Human Leukocyte Antigens (HLAS) a person has? (a) Two                                    (b) Three (c) Four                                    (d) Six	D
57.	Non-shivering thermogenesis is the heat production caused by: (a) Voluntary Muscles (b) High metabolic rate (c) Both of these          (d) None of these	B
58.	Heat is lost from the general body surface by: (a) Radiation                (b) Convection (c) Conduction             (d) All of these	d
59.	Vasoconstriction plays a vital role in: (a) Heat Loss               (b) Heat conservation (c) Both of these          (d) None of these.	B