Connect Access Card for Raven Biology 1
11th Edition
ISBN: 9781260224177
Author: Peter Raven an
Publisher: MCG
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Chapter 50, Problem 2U
Summary Introduction
Introduction:
A variety of organs and mechanisms have been evolved in the animals that allow them to cope up with the problems of water balance and excretion of nitrogenous waste. In many animals, removal of salts or water from the body is linked with the
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Which of the following is a component of filtrate but not normally a component of urine? a. water b. erythrocytes c. nitrogenous waste d. glucose
Many caffeinated beverages such as coffee, tea, and cola drinks have diuretic effects on the body. Why do caffeinated beverages increase the volume of urine?
Select one:
a. Caffeine increases ADH, which increases the reabsorption of water in the kidneys.
b. Caffeine inhibits ADH, which reduces the reabsorption of water in the kidneys.
c. Caffeine increases ADH, which reduces the reabsorption of water in the kidneys.
d. Caffeine inhibits ADH, which increases the reabsorption of water in the kidneys.
Choose which of the following substances would be too large to be filtered from the blood into the nephron.
a. Urea
b. Simple sugars
c. Proteins
d. Blood cells
e. Amino acids
f. Electrolytes such as salts
Chapter 50 Solutions
Connect Access Card for Raven Biology 1
Ch. 50 - Which of the following is NOT an ion...Ch. 50 - Prob. 2UCh. 50 - A sharks blood is isotonic to the surrounding...Ch. 50 - An important function of the excretory system is...Ch. 50 - Which of the following is a function of the...Ch. 50 - Humans excrete their excess nitrogenous wastes as...Ch. 50 - An osmoregulator would maintain its internal...Ch. 50 - Prob. 1ACh. 50 - A viral infection that specifically interferes...Ch. 50 - Diuretics are drugs that can be used to treat high...
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- What substance(s) may be found in the urine of someone with kidney disease or a urinary tract infection? Choose all that apply. a. Proteins b. Blood c. Urea d. Saltsarrow_forwardL01.3 Which of the following structures is not a primary structure of the urinary system? a. Urethra b. Bladder c. Gallbladder d. Kidneysarrow_forwardWhich of the following causes the kidney to conserve/retain sodium? a. aldosterone b. vasopressin c. oxytocin d. corticosterone Which of the following class of chemicals exerts its effects by entering cells, binding intracellular receptors, and affecting gene expression? a. Peptides b. Steroids c. Bioactive amines d. Amino acidsarrow_forward
- Use the following choices to answer the following questions a. Struvite b. Calcium c. Cystine d.Uric acid These stones are made up of byproducts of DNA and RNA (purines) The most common type of kidney stones are The least common type of kidney stones are Urinary infections often produce stones of this type ✓ [Choose ] D B A L J [Choose ] [Choose ]arrow_forwardthe process that initiates urine formation in most types of vertebrates is ultrafiltration of fluid from the blood plasma into kidney tubules under the force of blood pressure. What properties of the blood plasma in the urine-forming structures of the kidney are likely to affect the rate of ultrafiltration into the kidney tubules? Why is failure of urine production a potential side effect of heart disease?arrow_forwardThe blood cells and fibrinogen was detected in the urine of 35-year-old woman with kidney disease. It was probably associated with the renal filter function. What is the structural composition of this filter? a. Endothelium of capillaries, basement membrane O b. Endothelium, podocytes c. Podocytes, basement membrane d. Three-layer basement membrane e. Endothelium of glomerular capillaries, three-layered basement membrane, podocytesarrow_forward
- Interstital fluid is the same as: A. Extracellular Fluid B. Intracellular Fluid C. Intercellular Fluid D. Both A & Carrow_forwardGlomerular Filtration Rate (GFR) can be regulated by individual nephrons..which of the following represent the structures that play a role in this "Tubulo-Glomerular Feedback" mechanism? 45. ies, that A. The Corpus-Callosum and the Macula Densa. B. The Juxta-Glomerular Apparatus C. The Supra-Bowmanic Recipricator D. The Osmotic Filament Feedback Modulearrow_forward46. Muscular dystrophy occurs when the connection between the nerves and muscle is lost. It is caused by a toxin from the Clostridium tetani bacterium. A. True B. False ____ 47. Skeletal muscles are attached to bones by tendons. A. True B. False ____ 48. The urinary system removes metabolic waste products from an organism. A. True B. Falsearrow_forward
- Which of the following statements is true regarding Renal Function and the filtration of molecules? (this is not the same question as '48') 49. A. Large molecules like Glucose are not filtered into the renal tubules because Glucose is too big. B. Glucose molecules are ultimately secreted into the renal tubules; thát is why Glucose is found in the urine of a normal healthy person. C. Glucose molecules are filtered into the renal tubules but are rapidly reabsorbed; that is why very little glucose is found in the urine of a healthy person. D. Plasma Electrolytes are simply too big to be filtered into the renal tubules; that is why only a small concentration of extracellular electrolytes are is found in the urine of a healthy person.arrow_forwardwhich of the following correctly shows the order in which the filtrate moves through the structures of the nephron? a. proximal tubule - distal tubule - collecting duct - loop of Henle b. collecting duct - loop of Henle - proximal tubule - distal tubule c. distal tubule - loop of Henle - proximal tubule - collecting duct d. proximal tubule - loop of Henle - distal tubule - collecting ductarrow_forwardChoose the best answer for each question 1.Which of these insect groups has sodium as a major cation replaced by magnesium and potassium as a significant cation? A. zoophagous insects B. detritivores C. fungivorous insects D. phytophagous insects 2. Tyrosine, a free amino acid component of the hemolymph, performs which of the following functions? A. serves as storage depot of nutrients during larval development B. aids in hydrolyzing bacterial cell walls C. serves as a major source of energy for flight muscles D. play an important role in the sclerotization of the cuticle 3.What is the significance of organic acids in the hemolymph?These are important A. in the breakdown of proteins. B. in balancing the cations in the blood. C. as reusable lipid transport shuttle between tissues. D. in the transport of hydrocarbons from their sites of synthesis to the cuticle. 4. What is the disaccharide trehalose to the…arrow_forward
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