 |
1 | |
In _______________, scientists "harvest" defective cells soon after conception, removing them from the fertilized egg within the mother, placing them in a test-tube culture, repairing the defects in the cells, and returning them to the mother. |
| | A) | in vitro fertilization |
| | B) | gene therapy |
| | C) | cloning |
| | D) | germ-line gene therapy |
|
|
2 | |
Two weeks after conception, the developing individual enters the __________ period, which lasts from week two through week eight. |
| | A) | prenatal |
| | B) | embryonic |
| | C) | fetal |
| | D) | infancy |
|
|
3 | |
Preterm infants, who are born prior to week 38, are at higher risk for illness. Which is not a typical risk factor resulting from preterm birth? |
| | A) | they have more difficult births |
| | B) | they have immature organs |
| | C) | they have low birth weight |
| | D) | both b & c |
|
|
4 | |
Which of the following birth defects results in a condition that is treatable? |
| | A) | phenylketonuria |
| | B) | sickle-cell anemia |
| | C) | Tay-Sachs disease |
| | D) | Down syndrome |
|
|
5 | |
Poorly nourished babies are more susceptible to disease, and a lack of nourishment may have an adverse impact on their |
| | A) | sense of touch. |
| | B) | mental development. |
| | C) | ability to bond with the mother. |
| | D) | sucking reflex. |
|