All of the following are essential amino acids for humans except
A. isoleucine.
B. tryptophan.
C. cysteine.
D. lysine.
E. All of these are essential amino acids.
Answer: C
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Which of the following best describes the migrating motility complex (MMC)?
A. weak contractions that rid the small intestine of leftover bacteria or waste B. segmentation motility that mixes chyme with digestive secretions C. a hormone called gastrin that stimulates the onset of segmental contractions D. a muscular valve that controls the rate of movement of food from the ileum E. a substance that neutralizes the very acidic chyme as it enters from the stomach
Answer the following questions true (T) or false (F)
1. The best way to handle a hangover is to have a caffeine-containing beverage. 2. Taking acetaminophen (Tylenol) during and after alcohol consumption, when the alcohol is being metabolized, has been shown to intensify the pain reliever's toxicity to the liver and may cause severe liver damage. 3. Alcohol poisoning can be fatal.
Based on body shape, an individual who is stocky with a tendency to gain body fat deep in the abdomen would be classified as ____
A) ectomorphic B) endomorphic C) mesomorphic D) overweight
An example of a drug that may be used to treat hepatitis C is ____
A) lamivudine B) acyclovir C) fomivirsen D) ritonavir