Unformatted text preview: Hydrolyze food into smaller particles.
C. An inhospitable environment to most, but not all, microorganisms.
D. Sometimes ulcers can develop due to the corrosive effects of HCl.
E. Conversion of the inactive form of a stomach enzyme, trypsinogen, into trypsin.
7. Which of the following statements about movement of food in the gut is FALSE?
A. The waves of muscle contraction that propel food through the gut are called
B. The epiglottis and larynx prevent food entry into the trachea.
C. The inner circular muscle and outer longitudinal muscle layers in the gastrointestinal
tract propel food unidirectionally towards the anus.
D. The pyloric sphincter controls exit of food out of the stomach.
E. The order of food passage through the small intestine is duodenum, ileum and
8. The Portal blood vessels connect the _______ to the _______.
A. anterior pituitary; posterior pituitary
B. pancreas; liver
C. hypothalamus; brain
D. hypothalamus; posterior pituitary
E. hypothalamus; anterior pituitary
9. Which of the following cell types is NOT involved in humoral immunity?
A. T helper cells
C. plasma cells
E. All the above cell types are involved.
10. Which of the following statements about the functioning of a rod cell is FALSE?
A. Rhodopsin is located in the stack of disks that is farthest from the light source.
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This note was uploaded on 02/13/2014 for the course MCDB 1B taught by Professor Weimbs during the Winter '08 term at UCSB.
- Winter '08