Which of the following might increase the risk for cardiovascular disease?
A. stopping smoking
B. exercise
C. maintaining normal cholesterol levels
D. chronic stress
E. lots of fiber in the diet
D
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Vasoconstriction refers to a decrease in the radius of a vessel
Indicate whether the statement is true or false
Which of the following is false regarding unsaturated fatty acids?
A. All of their hydrogen ions are occupied in double bonds. B. They contain one or more double bonds. C. They can be formed from nuts and other plants. D. They are found in cooking oil rather than a stick of butter.
As you are lifting a box, someone places extra weight on top of it. For your muscle to continue contracting and lifting the box, the muscle must ________
A) shift from isometric to isotonic contraction B) reduce its wave summation C) shift from slow-twitch to fast-twitch mode D) lower its threshold E) recruit more muscle fibers
A patient enters a hospital after a motorcycle accident. He complains of mid-back pain. X-rays reveal both rib and pelvic fractures. His emergency room examination includes urinalysis
Which of the following findings from the urinalysis would most likely suggest trauma to the kidneys from the accident, but not to the urinary bladder? A) Phenylketonuria B) Uremia C) Pyuria D) Albuminuria E) Hematuria