All of the following are stages of the hair's life cycle except which one?
A. Resting
B. Dying
C. Dormant
D. Growing
Answer: C
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Which structure is not supplied by postganglionic fibers that originate in the celiac ganglion?
A. Liver B. Pancreas C. Small intestine D. Stomach E. Spleen
Answer the following statements true (T) or false (F)
1. Vitreous humor is the thick fluid in the posterior chamber of the eye. 2. The potentially blinding condition called glaucoma can occur if the fluid pressure of the eye drops too low. 3. The optic disc is able to respond only to bright light. 4. The nerve impulse of the eye begins when light enters through the iris of the eye and ends in the occipital lobe of the brain. This is called the visual pathway. 5. The external ear has two parts, the auricle and the pinna.
What kind of junctions are impermeable junctions that join the lateral edges of epithelial cells near their luminal borders, thus preventing movement of materials between the cells?
a. gap junctions b. desmosomes c. luminal junctions d. plasma junctions e. tight junctions
What are the two major factors affecting blood flow rates?
a. neural and hormonal control mechanisms b. diameter and length of blood vessels c. turbulence and viscosity d. pressure and resistance