The narrow space between the synaptic terminal and the muscle fiber is the
A) synaptic knob.
B) motor end plate.
C) motor unit.
D) synaptic cleft.
E) M line.
Answer: D
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The stereocilia of cochlear hair cells project into the
A. modiolus. B. tectorial membrane. C. spiral ganglion. D. helicotrema. E. basilar membrane.
Which of the following does NOT illustrate digestion?
A. Fat ? fatty acids and glycerol B. Protein ? amino acids C. Disaccharides ? monosaccharides D. Polysaccharides ? disaccharides E. CO2 and H2O ? carbohydrates
Name the four layers of the digestive tract beginning from the lumen of the digestive tract
A) serosa, muscular layer, submucosa, mucosa B) mucosa, submucosa, muscular layer, serosa C) submucosa, mucosa, serosa, muscular layer D) mucosa, submucosa, serosa, muscular layer E) muscular layer, serosa, submucosa, mucosa
The cardiovascular system of a newborn must be adjusted after the infant takes its first breath. Which of the following is also true?
A) The ductus arteriosus constricts and is converted to the ligamentum arteriosum. B) The urinary system is activated at birth. C) The foramen ovale between the atria of the fetal heart closes at the moment of birth. D) The ductus venosus is disconnected at the severing of the umbilical cord and all visceral blood goes into the vena cava.