Of the following choices, the pH of the least acidic solution is
A) 6.0.
B) 4.5.
C) 2.3.
D) 1.0.
E) 12.0.
Answer: E
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Which of the following is the correct classification for the articulation of the distal ends of the tibia and fibula?
A) synostosis B) syndesmosis C) synchondrosis D) suture E) gomphosis
A 40-year-old man of average height who weighs 210 pounds complains of pain behind the sternum which he describes as "heartburn." The pain is especially acute after eating spicy foods. What is a likely cause of his symptoms?
A. Cirrhosis B. Diverticulitis C. Constipation D. Gastroesophageal reflux disease E. Crohn disease
Explain how the ionic compound sodium chloride dissolves in water
A) The positive poles of water molecules are attracted to the negatively charged chloride ions, and the negative poles of water molecules are attracted to the positively charged sodium ions. B) The positive poles of water molecules are attracted to the positively charged chloride ions, and the negative poles of water molecules are attracted to the negatively charged sodium ions. C) The negative poles of water molecules are attracted to the negatively charged chloride ions, and the positive poles of water molecules are attracted to the positively charged sodium ions. D) The negative poles of water molecules are attracted to the positively charged chloride ions, and the positive poles of water molecules are attracted to the negatively charged sodium ions. E) Sodium chloride is hydrophobic so it does not dissolve in water.
Where is the gustatory cortex located?
A) Frontal lobe B) Insula C) Pareital lobe D) Temporal lobe E) Occipital lobe