Practice Questions

TLS Online TPP Program

#Question id: 1430

2-hydroxyglutarate is produced in cancer cells:

#Unit 4. Cell Communication and Cell Signaling

because cancer cells exhibit increased aerobic glycolysis.
that have mutations in isocitrate dehydrogenase.
to counteract all the lactate produced by aerobic glycolysis.
that have mutations in alpha-ketoglutarate dehydrogense.

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TLS Online TPP Program

#Question id: 22962

#Unit 7. System Physiology – Animal

What is the relationship between calcium and PTH?

a. When extracellular Ca2+ is decreased àCa2+ binding to the receptor àinhibits PTH secretion

b. When extracellular Ca2+ concentration is increased à Ca2+ binds to the receptor à activates phospholipase C àinhibits PTH secretion

c. When extracellular Ca2+ is decreased à Ca2+ doesn’t binds to the receptor àstimulates PTH secretion

d. When extracellular Ca2+ concentration is increased à Ca2+ binds to the receptor à activates phospholipase C àstimulates PTH secretion.

TLS Online TPP Program

#Question id: 22961

#Unit 7. System Physiology – Animal

What is the receptor class of the calcium-sensing receptors in the parathyroid gland?

TLS Online TPP Program

#Question id: 22960

#Unit 7. System Physiology – Animal

What are the types of cells found in parathyroid gland?

TLS Online TPP Program

#Question id: 22959

#Unit 7. System Physiology – Animal

The hormone that regulates the concentration of calcium & phosphorus in ECF:

TLS Online TPP Program

#Question id: 20269

#Unit 7. System Physiology – Animal

The antidiuretic hormone (ADH) originates primarily in the supraoptic nuclei of the hypothalamus, which of the following statement is FALSE regarding ADH?

TLS Online TPP Program

#Question id: 20270

#Unit 7. System Physiology – Animal

Oxytocin is formed primarily in the paraventricular nuclei of the hypothalamus. Which of the following statement is FALSE regarding oxytocin?