* not completed

. Which of the following statements regarding oxygen carriage by fetal blood is correct?

Blood returning to the fetus via the umbilical vein is fully saturated with oxygen correct incorrect

Fetal haemoglobin has a higher affinity for oxygen than adult haemoglobin correct incorrect

Fetal blood has a lower haemoglobin content than adult blood. correct incorrect

Blood perfusing the brain of a fetus has the same PaO₂ as that of blood in the descending aorta correct incorrect

* not completed

. Which of the following statements regarding the fetal circulation are correct?

The fetal heart rate is nearly double that of a healthy adult at rest correct incorrect

All the blood in the umbilical vein enters the right atrium correct incorrect

The three fetal shunts normally close in the first few days after birth correct incorrect

Fetal blood pressure is similar to that of an adult correct incorrect

* not completed

. Which of the following statements regarding respiration in the fetus and newborn is correct? Please select all that apply

The peripheral chemoreceptors are active in the fetus correct incorrect

Not all of the output of the right ventricle circulates through the lungs in the first few days after birth. correct incorrect

Lack of surfactant in the neonate can lead to respiratory distress correct incorrect

The first breath is achieved by large changes in the intrathoracic pressure correct incorrect

* not completed

. Which of the following statements regarding the function of the fetal adrenal glands and kidneys are correct?

Fetal androgens stimulate the production of pulmonary surfactant by alveolar type II cells. correct incorrect

The fetal zone of the adrenal gland synthesizes large quantities of progesterone. correct incorrect

The kidneys play an important role in the regulation of acid-base balance of the fetus. correct incorrect

The fetal kidneys begin to produce a hypertonic urine after about 8 weeks gestation. correct incorrect

* not completed

. Which of the following statements regarding the sexual development of the fetus is correct?

The sex of an individual is determined by a single gene on the Y chromosome correct incorrect

In the absence of a Y chromosome the sexual development of a fetus will follow the male pattern correct incorrect

The development of the fetal gonads into the female type depends on the presence of oestrogens. correct incorrect

The sex of an individual is determined by a set of genes on the X chromosome correct incorrect

* not completed

. The gastric contents are acidic at birth.

True correct incorrect

False correct incorrect

* not completed

. Meconium accumulates in the small intestine during fetal life.

True correct incorrect

False correct incorrect