What does a reading of 120 mg/dL of low-density lipoprotein (LDL) cholesterol and 60 mg/dL of high-density lipoprotein (HDL) cholesterol indicate regarding the risk for coronary heart disease?
A. Low risk
B. Optimal
C. Desirable
D. Borderline risk
E. Very high risk
Answer: A
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Bacteria that have spherical (round) shapes are called _____
A) bacilli B) cocci C) spirochetes D) vibrios
The pacemaker of the heart is the
a. sinoatrial node. b. bundle of His. c. atrioventricular node. d. mitral valve.
A consequence of the body using protein instead of a combination of fats and carbohydrates as a source of energy is that ____.
A. weight loss is as much as ten times slower B. most of the weight lost is in the form of water C. energy is produced more efficiently D. the protein-water mix is ideal for weight loss E. most of the weight loss represents fat loss
Pharmacokinetics is BEST described as:
a. A type of ionizing radiation b. Study of the distribution and removal of drugs in the body c. A method of giving x-ray treatment d. Use of drugs to increase the sensitivity of tumors to x-rays e. Abnormal growth of cells