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TLS Online TPP Program

#Question id: 11946

A 3-week-old infant is brought to the emergency room in a comatose condition. The history reveals that her parents have been feeding her concentrated, undiluted formula for 5 days. (Infant formula preparations are often sold in concentrated forms that must be properly diluted with water before feeding.) The infant’s plasma osmolality is 352 mOsm/L (normal is 280 to 300 mOsm/L), and the osmolality of the urine is 497 mOsm/L. What is the explanation for the hyperosmotic condition of the plasma?

#Unit 7. System Physiology – Animal
  1. The infant has inappropriate antidiuretic hormone regulation
  2. The infant has excessive secretion of aldosterone
  3. The infant is unable to form urine sufficiently concentrated to excrete the solute load from the formula without losing more water than required to maintain normal plasma osmolality
  4. The infant has a renal collecting duct abnormality that prevents it from forming concentrated urine
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TLS Online TPP Program

#Question id: 18223

#Unit 11. Evolution and Behavior

The origin of indirect evidence of life, no recognizable fossils except bacteria (microfossils) was during which geological eras?
TLS Online TPP Program

#Question id: 18224

#Unit 11. Evolution and Behavior

Proterozoic era characterized by___
a) Origin of life
b) Fossils of blue green algae
c) Most invertebrate evolved
d) First gymnosperm
e) Abundance of marine algae
TLS Online TPP Program

#Question id: 18225

#Unit 7. System Physiology – Animal

________ refers to the long-term wear and tear on the body caused by the many simultaneous changes that need to occur to maintain homeostasis.
TLS Online TPP Program

#Question id: 18226

#Unit 7. System Physiology – Animal

Effective coping mechanism(s) for handling stress include ______.
TLS Online TPP Program

#Question id: 18227

#Unit 8. Inheritance Biology

You are conducting genetic linkage studies of an autosomal dominant disease. You are focused on two SSR markers that may be linked to each other and to the disease. Here is a family in which some individuals are affected:
 
Calculate LOD scores for linkage at θ = 0.1 between the disease and SSR62
TLS Online TPP Program

#Question id: 18228

#Unit 8. Inheritance Biology

You are conducting genetic linkage studies of an autosomal dominant disease. You are focused on two SSR markers that may be linked to each other and to the disease. Here is a family in which some individuals are affected:
 
Calculate LOD scores for linkage at θ = 0.1 between the disease and SSR93?