Psychoactive drugs change mood or behavior by acting on

A. the heart.
B. the liver.
C. the spinal cord.
D. brain chemistry.


D. brain chemistry.

Health & Biomechanics

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High intake of honey and fruit juices can significantly raise bloodstream levels of triglycerides.

Answer the following statement true (T) or false (F)

Health & Biomechanics

The Dietary Guidelines for Americans are reviewed and revised with every national census

a. True b. False Indicate whether the statement is true or false

Health & Biomechanics

Which of the following statements about pulmonary physiology is correct?

A. The percentage of CO2 in the air is 0.0003. B. The PO2 of inspired air at sea level is approximately 159 mm Hg. C. The percentage of O2 in the air at sea level is the same as at high altitude. D. All of these answers are correct

Health & Biomechanics

Which of the following statements is true about the abbreviation NPO?

A. It stands for noninvasive peritoneoscopy and refers to a method of looking at the peritoneum without surgery. B. It stands for nihil per os and means "nothing by mouth." C. It stands for nasogastric tube and refers to the tube inserted through the nose into the stomach. D. It stands for nothing passes orally and means a patient cannot have food or drink.

Health & Biomechanics