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TLS Online TPP Program

#Question id: 12288

One way  to  understand how  early environment influences differing behaviours in  similar  species is  through the ? cross- fostering? Experimental technique. Suppose that the curly- whiskered mud rat differs from the bald mud rat in several ways, including being much more aggressive. How would you set up a cross- fostering experiment to determine if environment plays a role in the curly- whiskered mud rat's aggression?

#Unit 10. Ecological Principles
  1. You would cross curly- whiskered mud rats and bald mud rats and hand- rear the offspring.
  2. You would place new-born curly- whiskered mud rats with bald mud rat parents, place new-born bald mud rats with curly- whiskered mud rat parents, and let some mud rats of both species be raised by their own species. Then compare the outcomes.
  3. You would  remove the offspring of curly- whiskered mud rats and bald  mud rats from their parents and raise them in the same environment.
  4. You would see if curly- whiskered mud rats bred true for aggression.

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TLS Online TPP Program

#Question id: 34147

#Unit 7. System Physiology – Animal

Which of the following statements not CORRECT regarding the mechanism and reproductive role of prolactin during lactation?
TLS Online TPP Program

#Question id: 34148

#Unit 7. System Physiology – Animal

Assertion (A): Prolactin stimulates the synthesis of casein and lactalbumin during lactation without acting directly on the cell nucleus.
Reason (R): The action of prolactin is dependent on intact microtubules, suggesting involvement of cytoplasmic transport or signaling components.

Choose the correct option:
TLS Online TPP Program

#Question id: 34149

#Unit 7. System Physiology – Animal

A scientist finds that infusion of growth hormone into the median eminence of the hypothalamus in experimental animals inhibits the secretion of growth hormone and concludes that this proves that growth hormone feeds back to inhibit GHRH secretion. Do you accept this conclusion?
TLS Online TPP Program

#Question id: 34150

#Unit 7. System Physiology – Animal

A 7-year-old boy is evaluated for short stature. His average circulating growth hormone level is within the normal range for his age, but levels of IGF-I are reduced. His growth failure is most likely due to a defect in:
TLS Online TPP Program

#Question id: 34151

#Unit 7. System Physiology – Animal

During childbirth, a woman suffers a serious hemorrhage and goes into shock. After she recovers, she displays symptoms of hypopituitarism. Which of the following will not be expected in this patient?
TLS Online TPP Program

#Question id: 34152

#Unit 7. System Physiology – Animal

Choose correct one.