Bile pigments:
A. are important for fat digestion.
B. are formed from catabolism of the globin part of hemoglobin.
C. impart color to the bile, feces, and urine.
D. are amphipathic molecules that emulsify fats.
E. are completely reabsorbed in the distal ileum.
C
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The beating of the cilia of the respiratory passages in the direction of the pharynx forms a(n)
A) debris filter. B) mucus escalator. C) respiratory rhythmicity center. D) smooth slick surface allowing particles to slide. E) increased surface area for gas exchange.
A synarthrotic joint would have
A. high mobility and high stability. B. high mobility and low stability. C. low mobility and low stability. D. low mobility and high stability.
Answer the following statements true (T) or false (F)
1. General sense organs are characterized by large complex organs or localized groupings of specialized receptors. 2. One of the main functions of a sense organ is to change a physical stimulus into an electrical signal. 3. General sense organs are found throughout the body but are most concentrated in the internal organs. 4. Specialized receptors found near the point of junction between tendons and muscles are called mechanoreceptors. 5. Muscle spindles can be classified as proprioceptors.
Which of the following bones are in contact with the distal radius?
A) carpals B) metacarpals C) humerus D) scapula E) All of the answers are correct.