56) Peptide hormones readily cross through cell membranes. 57) Osmolality refers
ID: 3520223 • Letter: 5
Question
56) Peptide hormones readily cross through cell membranes. 57) Osmolality refers to the total amount of solutes dissolved in a Kg of solvent. 58) The loop of Henle is highly permeable to water. 59) Larger molecules like Vitamin C or glucose cannot escape from plasma during filtration. 60) Podocytes enclose the glomerular capillaries. 61) Each kidney contains around 1,000,000 hepatic lobules. 62) The kidneys receive around 2% of resting cardiac output. 63) Sodium ions may be reabsorbed from the distal convoluted tubules in order to increase blood volume and conserve water. 64) The total surface area of the gas exchange membrane in the lungs is around 65) Distal convoluted tubules have smooth muscle tissue in their walls. 66) Normal relaxed pulmonary expiration does not require any muscles to contract. 67) If you hold your breath while on SCUBA you risk destroying the vacuum inside your pleural space. 68) The lungs can regulate blood pH much more rapidly than the kidneys. 69) Salt exerts twice the osmotic effect as glucose in any given solution. 70) No protein has ever been known to survive the trip through the stomach intact. 71) The collecting duct may reabsorb urea. 72) The bronchioles typically contain blood with an osmotic concentration around 1200 mOsMM 73) Surfactants aid in the emulsification of lipids and water 74) Enzymes are very specific as to which substrates they can bind with. 75) Lipases digest carbohydrates and proteins. 76) Both filtration and excretion may occur on the distal convoluted tubules. 77) Once filtrate exits the descending loop of Henle, reabsorption is no longer possible. 78) Most hormones don't have a half-life 79) Monoamine hormones are formed from cholesterol 80) Steroid hormones are formed from the amino acid tyrosine 700 square feet.Explanation / Answer
56. The statement is false .
Peptide hormones mostly act as second messengers and act on surface of cell membrane .
57. The statement is true.
58. The statement is true.
59. The statement is false.
Glucose escapes plasma during filtration but is reabsorbed into the capillaries.
60. The statement is true.
61. The statement is false.
Kidneys contain renal lobules while liver contains hepatic lobules.
62. The statement is false .
The kidneys receive 25% of cardiac output.
63. The statement is true.
64. The statement is false.
The total surface area is 1500 sq feet.
65. The statement is true.
66. The statement is true.
67. The statement is false.
The pleural space contains fluid which strengthens while holding breath .
68. The statement is true.
69. The statement is true.
70. The statement is false.
Proteinuria is a condition where proteins are filtered through urine .
71. The statement is true.
72. The statement is false.
Osmotic concentration is 275-295 mOsM.
73. The statement is true.
74. The statement is true.
75. The statement is false.
Lipase digests fats.
76. The statement is false.
Secretion rather than excretion takes place through distal convoluted tubule.
77. The statement is false.
Reabsorption is possible however mostly by the action of antidiuretic hormone.
78. The statement is false.
Most hormones lose their activity with the breakdown of products .
79. The statement is false.
Monoamine hormones are made from amino acids.
80. The statement is false.
Steroid hormones are made from cholesterol .
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