The thalamus, hypothalamus, and epithalamus are derivatives of which embryonic structure?
A. Metencephalon
B. Mesencephalon
C. Diencephalon
D. Myelencephalon
E. Telencephalon
Answer: C
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The reabsorption of Na+ in the proximal tubule creates an osmotic gradient for the diffusion of ________ to occur.
A. Cl- B. K+ C. H2O D. All of the choices are correct.
Metabolic intermediates use ________ bonds to transfer energy to the high-energy bonds of ATP, NADH, FADH2 or NADPH.
Fill in the blank(s) with the appropriate word(s).
The fetal pulmonary trunk is attached to the fetal aorta via the ________
A) ductus arteriosus B) ligamentum arteriosum C) brachiocephalic artery D) left subclavian artery
A woman insists on an ultrasound and a maternal serum marker test to check for Trisomy 21 in her unborn child because she only wants to use non-invasive methods. Her obstetrician will
A. allow the maternal serum marker test but still recommend amniocentesis, because maternal serum markers and amniocentesis check chromosomes while ultrasound and CVS do not. B. heavily advise against this decision, because ultrasound and maternal serum markers do not check chromosomes while CVS and amniocentesis do. C. follow the procedures she wants, because ultrasound and maternal serum markers check chromosomes while CVS and amniocentesis do not. D. allow the ultrasound but still recommend CVS, because ultrasound and CVS check chromosomes while maternal serum markers and amniocentesis do not.