Which of the following is an essential fatty acid?
A. Hydrochloric acid
B. Linoleic acid
C. Butyric acid
D. Lecithin
E. Stearic acid
Answer: B
Anatomy & Physiology
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If L = load, F = fulcrum, and E = effort, what type of lever system is described as LEF?
A) third-class lever B) second-class lever C) fourth-class lever D) first-class lever
Anatomy & Physiology
The first multicellular animals to develop neurons were
A) flatworms and sea urchins. B) mollusks and sea stars. C) fish and sea monkeys. D) jellyfish and sea anemones. E) segmented worms and sea horses.
Anatomy & Physiology
Lymph is largely composed of water that has escaped from ________
A) cytosol B) cerebrospinal fluid C) saliva D) tears E) blood
Anatomy & Physiology
The pineal gland synthesizes which hormone?
a) melatonin b) serotonin c) dopamine d) pineal hormone
Anatomy & Physiology