Which of these muscles extends the knee?
A. Tibialis anterior.
B. Rectus femoris.
C. Biceps femoris.
D. Gastrocnemius.
Answer: B. Rectus femoris.
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Which of the following reflects the major role of HDL, otherwise termed reverse cholesterol transport?
a. To retrieve excess cholesterol from cells and transport it back to the liver b. To convert cholesterol into a less harmful intermediate and transport it back to the gallbladder c. To chemically alter cholesterol so that it cannot form plaque and transport it out of the body d. To transport cholesterol to the intestines to be eliminated from the body
Positively charged ions are called ________.
Fill in the blank(s) with the appropriate word(s).
Which of the following is characterized by persistent inflammation and excessive secretions of mucus in the main airways of the lungs?
a. Asthma b. Chronic bronchitis c. Emphysema d. Pneumonia
Anorexia nervosa means loss of appetite due to nervousness, which describes the first symptom that usually occurs
Indicate whether the statement is true or false