Page 4 BIO 3223 MIDTERM Dr. Hassan 16) Cathy has just given birh to a little gir
ID: 205124 • Letter: P
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Page 4 BIO 3223 MIDTERM Dr. Hassan 16) Cathy has just given birh to a little girl. the baby becomes cyanotic. When the nurse tried to feed her of Blood gas levels show only 60% saturation Physical bather examination indicates no structural deformities with oxygen. What may be causing this a) The infant has malformed digestive system b) The lungs are hyperventilating c) The lungs are hypoventilating d) The cardiovascular supply of the lungs is impaired e) The infant is born with only one lung 17) A response of the body to the excess water is a) b) Decreased ADH c) Remains same d) Renal failure e) None of the above Increased ADH 18) Hypernatremia causes cellular: a) Dehydration b) Hydration c) Lysis d) Osmotic diuresis e) Enlargement 19) A physiological response to hyponatremia is water movement: a) Out of the cells b) Into the cells c) Into interstitial spaces of the cells d) None of the above e) All of the aboveExplanation / Answer
16. Option D is correct.
Cyanosis refers to blue/purple coloration of the skin. It occurs when oxygen supply is insufficient to the cardiovascular system.
17. Option B is correct.
ADH is the major hormone in the body that helps in water balance. It is secreted by the pituitary gland and stimulated Kidneys to conserve water. So, if water content in the body is elevated, ADH level is decreased.
18. Option D is correct.
Hyponatremia = Decreased Na levels in the blood = Hypotonic condition.
In hypotonic condition, water enters body cells leading to their enlargement.
19. Option B is correct
In hyponatremia, water moves into the cells as the cytosolic solute concentration is greater than the blood plasma concentration.
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