The fetally derived portion of the placenta secretes hormones essential for maintaining pregnancy, primarily human chorionic gonadotropin, estrogen, and progesterone
a. True
b. False
Indicate whether the statement is true or false
True
You might also like to view...
When a muscle has been repeatedly contracting at a moderate intensity for an extended period of time (more than a few minutes), what is the primary source of ATP?
A. Breakdown of myosin B. Oxidative phosphorylation C. Transfer of energy and phosphate from creatine phosphate to ADP D. Uptake of ATP from the blood plasma E. Glycolysis
The area monitored by a single sensory neuron is called the __________ field.
Fill in the blank(s) with the appropriate word(s).
The neurotransmitter released at terminal ganglia is ________.
A. dopamine B. acetylcholine C. epinephrine D. norepinephrine
Which of the following arteries arises from the inferior alveolar artery before the artery enters the mandibular canal?
A. Mylohyoid artery B. Incisive artery C. Mental artery D. Posterior superior alveolar artery E. Submental artery