The type of smooth muscle contraction occurring in the esophagus during swallowing is called
A. segmentation.
B. mass movement.
C. eccentric.
D. peristalsis.
E. distension.
Answer: D
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Which of the light micrographs in the figure below shows a stratified cuboidal epithelium?
a) B b) C c) D d) E e) F
Which connective tissue is found between the ribs and the sternum?
A) dense regular connective tissue B) hyaline cartilage C) elastic cartilage D) fibrocartilage E) dense irregular connective tissue
Sympathetic responses generally are widespread because ________.
A) inactivation of ACh is fairly slow B) NE and epinephrine are secreted into the blood as part of the sympathetic response C) preganglionic fibers are short D) preganglionic fibers are long
The partition between the lateral ventricles is the
A. interventricular foramen. B. ventricular canal. C. mesencephalic aqueduct. D. central canal. E. septum pellucidum.