Under normal conditions airway resistance is highest in which segment of the conducting airway?
A. respiratory bronchioles
B. terminal bronchioles
C. primary bronchi
D. medium-sized bronchi
Answer: D. medium-sized bronchi
You might also like to view...
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.
General sense receptors are typically the
A) dendrites of motor neurons. B) dendrites of sensory neurons. C) axons of motor neurons. D) axons of sensory neurons. E) cell bodies of sensory neurons.
The largest nerve in the body passes through the
A) foramen magnum. B) suprascapular notch. C) lesser sciatic notch. D) greater sciatic notch. E) obturator foramen.
Describe the defecation reflex
What will be an ideal response?