Practice Questions

TLS Online TPP Program

#Question id: 11787

Giving prostaglandin E2 (PGE2) to a pregnant woman may result in an abortion. What is the best explanation for this finding?

#Unit 7. System Physiology – Animal

PGE2 strongly stimulates uterine contraction
PGE2 causes constriction of the arteries leading to the placenta
PGE2 stimulates the release of oxytocin from the posterior pituitary
PGE2 increases the secretion of progesterone from the corpus luteum

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TLS Online TPP Program

#Question id: 15760

#Unit 5. Developmental Biology

Why Stem cells are sometimes referred to as “undifferentiated”?

TLS Online TPP Program

#Question id: 15761

#Unit 5. Developmental Biology

Which of the following is not a property of stem cell?

TLS Online TPP Program

#Question id: 15762

#Unit 5. Developmental Biology

Which of the following is not a property of the stem cells?

TLS Online TPP Program

#Question id: 15763

#Unit 5. Developmental Biology

The strategy, in which a stem cell and a developmentally committed cell are produced at each division, termed as

A. Asymmetric stem cell division.

B. Symmetric stem cell division

C. Single stem cell asymmetry .

D. Population asymmetry

TLS Online TPP Program

#Question id: 15764

#Unit 5. Developmental Biology

An alternative (but not mutually exclusive) mode of retaining cell homeostasis is the:

A. Asymmetric mode of stem cell division

B. Symmetric mode of stem cell division.

C. Single stem cell asymmetry mode of stem cell division

D. Population asymmetry mode of stem cell division.

TLS Online TPP Program

#Question id: 15765

#Unit 5. Developmental Biology

What is symmetrical differentiation?