What part of the early embryo differentiates into the three germ layers?
| 1. | The trophoblast cells | 2. | Inner cell mass |
| 3. | Both | 4. | None |
The placenta is connected to the embryo through:
| 1. | Ligaments | 2. | Portal vein |
| 3. | Umbilical cord | 4. | Mesentery |
To induce uterine contractions for parturition, which of the following hormones can be injected into the female?
| 1. | hCG | 2. | Estrogen |
| 3. | Progesterone | 4. | Oxytocin |
The process of delivery of the fetus [childbirth] is called as:
| 1. | Gestation | 2. | Implantation |
| 3. | Insemination | 4. | Parturition |
The fetal body is covered with fine hair, eyelashes separate, and eyelashes are formed by the end of:
| 1. | 20 weeks | 2. | 24 weeks |
| 3. | 28 weeks | 4. | 30 weeks |
Which of the following hormones is not secreted by the human placenta?
| 1. | hCG | 2. | hGH |
| 3. | hPL | 4. | Progesterone |
After implantation, finger like projections appear on the trophoblast cells called:
| 1. | Chorionic villi | 2. | Allantois |
| 3. | Decidua | 4. | Sinusoids |
The milk produced during the initial few days of lactation, called colostrum, is essential for the newborn as colostrums contains:
| 1. | a Large amount of glucose | 2. | Anti-infective antibodies |
| 3. | Fats | 4. | Various hormones |
The signals of fetal ejection reflex originate from:
1. Maternal pituitary
2. Maternal hypothalamus
3. Fully developed fetus and placenta
4. Fetal pituitary
In human beings, the embryo heart is formed about after ________ of pregnancy.
| 1. | One month | 2. | Two months |
| 3. | First trimester | 4. | Second trimester |