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Chapter 15: Homeostasis

60 Questions 60 Minutes Pass: 60%
1 Find the true statement about the toxicity of nitrogenous wastes?
2 Four nitrogen atoms are excreted by:
3 Animals excreting ammonia are known as:
4 What is the most suitable environment for the tissues of higher animals?
5 The mechanism in which water and solutes of the body are properly maintained and regulated is called:
6 During ornithine cycle, urea formation occurs through the:
7 The nitrogenous waste(s) highly soluble in water, is/are:
8 The main cause of urethritis is:
9 Observe the diagram and find the correct answer according to A.
10 When kidneys are infected by microbes, the condition is known as:
11 The condition of having stones in the kidney is termed as:
12 The tendency to regulate internal conditions is:
13 Which part in fore-brain is a thermostat of body?
14 Fresh water organisms also have specialized cells located in their gills and in skin called:
15 Marine animals excrete divalent ions (like Mg++ and Ca++):
16 Identify the organ of urinary system of man with following features: I) 25cm long II) Tabular in shape III) Starts as funnel like
17 In humans ______ uric acid is excreted by kidneys and ______ is excreted by intestine.
18 Uretina has valves called ______ that control the .
19 The internal urethral sphincter regulates involuntary control of urine flow from the bladder to the urethra.
20 The kidney does not perform the function of:
21 Malpighian body is composed of:
22 The capillary endothelium of the glomeruli, specialized cells called:
23 Most of the essential compounds like glucose, amino acids, electrolytes and water is reabsorbed in this region:
24 Which one of the following is secreted by kidneys to regulate the RBC production?
25 The certain substances that have been filtered out of the blood at renal corpuscle are reabsorbed; process is known as:
26 Observe the diagram and find the correct answer accordingly.
27 The area of the brain responsible for maintaining homeostasis by regulating processes such as hunger, thirst, body temperature, and water balance is:
28 Tubules secretes ions such as hydrogen, potassium, and NH₃ into the filtrate while reabsorbing the HCO₃⁻ from the filtrate are called:
29 Another compound that increases the osmotic gradient in inner medulla is the:
30 The inflammation in kidneys due to irritation of kidney stones is called:
31 If the surrounding environment becomes hot or a person does strenuous physical activity, the heat produced inside the body and raises body temperature above suitable limit, this condition is called:
32 Invertebrates, fishes, amphibians and reptiles are commonly known as --- regarding temperature regulation.
33 Observe the diagram and find the correct answer accordingly.
34 is the most common type of crystals to form 80% of kidney stones:
35 Kidney stones are broken into small pieces by shockwaves from outside the patient’s body using:
36 ______ a hormone your adrenal glands release that helps regulate blood pressure by managing the levels of ions:
37 The transfer of materials into the filtrate PCT and DCT from blood plasma is called as:
38 Many drugs are removed by:
39 What is the percentage of stones in kidney formed by uric acid?
40 Identify the animal regarding osmoregulation. I) Tends to gain water. II) Loses salt
41 ______ is permeable to water:
42 ______ is permeable to Na+, K+ and Cl- ions:
43 Movement of water molecules is facilitated by:
44 The loop of Henle is surrounded by peritubular capillaries containing blood. These capillaries are permeable to:
45 Ascending limb cells have specialized ionic co-transporter protein. When ions are actively reabsorbed from the ascending limb and accumulated in medulla, it makes medulla environment:
46 The amount of urea and uric acid present more in:
47 Most of the selective reabsorption of molecules takes place in:
48 Glucose if present in the filtrate but absent in the ____ of a healthy person:
49 Most of the marine invertebrates are _____:
50 This type of nephron is best to conserve water in body:
51 The hormone that directly increases water reabsorption in the kidneys by making the collecting ducts more permeable to water is:
52 Which of the following is NOT a function of the kidneys?
53 The process by which blood is filtered in the glomerulus is called:
54 Which of the following conditions would likely result in the production of highly concentrated urine?
55 The primary nitrogenous waste excreted by birds and reptiles is:
56 Which part of the nephron is primarily responsible for the reabsorption of glucose and amino acids?
57 The presence of glucose in urine (glycosuria) may indicate a malfunction in:
58 Which hormone stimulates the kidneys to retain sodium ions and water, thereby increasing blood volume and pressure?
59 The countercurrent mechanism in the nephron is essential for:
60 Which of the following is a symptom of kidney failure?