chapter 8/9

Question 1

what stage of development lasts after week 8-38/40 weeks?

Answer 1

fetal

Question 2

somites are derived from which pre-embryonic layer?

Answer 2

mesoderm

Question 3

autonomic efferents are a BLANK neuron system

Answer 3

2-neuron pathways

Question 4

what are the control systems of the ANS?

Answer 4

pons, medulla, hypothalamus

Question 5

the diencephalon forms out of the ____ and becomes the _____

Answer 5

forebrain… thalamus, hypothalamus

Question 6

neurotransmitters involved in the ANS:

Answer 6

acetylcholine, norepinephrine, epinephrine

Question 7

area of ANS is why we blush or cry when angry/upset

Answer 7

limbic system

Question 8

the CNS is most susceptible to major malformation during what period of development?

Answer 8

14days-20weeks

Question 9

pupil constrictor

Answer 9

parasympathetic

Question 10

emptying bladder

Answer 10

sympathetic

Question 11

pupil dilation

Answer 11

sympathetic

Question 12

skeletal muscle contraction

Answer 12

sympathetic

Question 13

optimizing organ blood flow

Answer 13

sympathetic

Question 14

decreased heart rate

Answer 14

parasympathetic

Question 15

correct order of formation of the CNS

Answer 15

neural tube (day 18-26) then brain(Day 28)