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TLS Online TPP Program

#Question id: 10429

Which of the following given statements about PHYA is incorrect?

#Unit 6. System Physiology – Plant
  1. PhyA mediates very few responses because they are highly regulated at transcriptional and translational level
  2. PHYA gene is transcriptionally active in dark-grown seedlings, but its expression is strongly inhibited in the light in monocots
  3. The amount of phyA in the cell is also regulated by protein destruction
  4. In presence of light stabilization of PHYA expression
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TLS Online TPP Program

#Question id: 12208

#Unit 7. System Physiology – Animal

Which of the following is produced by the trophoblast cells during the first 3 weeks of pregnancy?
TLS Online TPP Program

#Question id: 12209

#Unit 7. System Physiology – Animal

At birth, a large, well-nourished baby is found to have a plasma glucose concentration of 17 mg/Dl (normal is 80 to 100 mg/dL) and a plasma insulin concentration twice the normal value. What is the explanation for these findings?
TLS Online TPP Program

#Question id: 12210

#Unit 7. System Physiology – Animal

Which of the following stimulates the secretion of parathyroid hormone (PTH)?
TLS Online TPP Program

#Question id: 12211

#Unit 7. System Physiology – Animal

A 57-year-old man is admitted as an emergency for upper GI bleeding. Endoscopy reveals multiple ulcers in the duodenum. Serum gastrin levels are eight-fold higher compared to normal. Zollinger-Ellison syndrome (ZES, gastrinoma) is suspected. Administration of which of the following substances is useful in confirming the diagnosis?
TLS Online TPP Program

#Question id: 12212

#Unit 7. System Physiology – Animal

 A 71-year-old man with upper abdominal pain and blood in the stool takes NSAIDS for the pain and washes it down with whiskey. Pentagastrin administration produced lower than predicted levels of gastric acid secretion. Secretion of which of the following substances is most likely to be diminished in this patient with gastritis?
TLS Online TPP Program

#Question id: 12213

#Unit 7. System Physiology – Animal

The gastric phase of gastric secretion accounts for about 60% of the acid response to a meal. Which of the following can virtually eliminate the secretion of acid during the gastric phase?