B. triglycerides C. glucose D. fatty acids E. starch 25 Jillian is a top level c

Question

B. triglycerides C. glucose D. fatty acids E. starch 25 Jillian is a top level cross country runner due to her having predominantly slow-twitch muscle fibers. A. TRUE. B. FALSE What is the difference between a tic and a spasm? A. A tic is a spasm that can be control ly. B. A tic is a strong, and very painful spasm, especilly of the leg and foot. C. A tic is stretching or tearing of a muscle, while a spasm is just an involuntary contraction. D. A tic is caused by the inflammation of a tendon, while a spasm is just an involuntary tie refers to achy muscles, usually due to over exercise, while a spasm is just an involuntary contraction. contraction. E. A 27 Which of the following is not a symptom of a heart attack? A. feeling of pressure in the chestB. dizziness C. nausea and vomiting D. diarrhea E. shortness of breath 28 What is a stent? A. a cylinder of expandable metal meshB. time spent in recovery after coronary bypass surgery C. a treatment for phlebitis D. an instrument that regulates the heartbeat E. a treatment to lower blood pressure 29 What drug may protect against having a first heart attack? A. acetominophen B. aspirin C. ACED. t-PA E. beta-blockers 30- Which of the following activities is not recommended for prevention of cardiovascular disease? A. Know your cholesterol level. B. Take antioxidant vitamins (A, E, and C). C. Raise the LDL intake. D. Use olive and canola oil rather than butter/cream. E. Exercise moderately. 31- The American Heart Association recommends a diet low in saturated fat and cholesterol to prevent which disease? A. hypotensionB. aneurysm C. hypertension D. atherosclerosisE. infarction 32- What is the bursting of a blood vessel called? A. embolus B. aneurysm C. thrombus D. myocardial infarction E. stroke 33- If a person is dehydrated, how will this affect nutrient exchange at the capillaries? A. It will have no effect. B. Water will not leave the arterial end of the capillary and enter the tissues. C. Oxygen will not leave the capillary and enter the tissues. D. Carbon dioxide will not leave the tissues and enter the capillary. E. Plasma proteins will be able to leave the capillary and enter the issues. If fluid is leaving a capillary and entering the tissue, which of the following statements is true? A. Red blood cells are able to leave the capillary. B. Plasma proteins are able to leave the capillary. C. Blood pressure is higher than osmotic pressure. D. This is the venous end of the capillary. E. The net pressure is in. 34 35- What happens to the excess fluid that leaves the capillaries at the venous end? A. There is no

Explanation / Answer

25. True

Reason: There are two types of muscles. Slow-twitch and fast-twitch. Slow twitch muscles are used for long runs. Fast-twitch muscles are used for short runs and the muscles move very fast.

26. Option E

27. Option D - Diarrhea

Reason: Diarrhea is caused by bacteria infection and it is not a symptom of heart attack

28. Option A

29. Option B - Aspirin. It is a life-saving drug. It blocks the production of prostaglandins and thromboxanes. The blocking of thromboxanes avoids clotting of blood. Inhibition of prostaglandin production reduces pain. Hence, aspirin avoids the heart attack by blocking clotting and pain.

30. Option C - LDL

Reason: LDL (low-density lipoproteins) is called a bad cholesterol. It increases the risk of heart attack.

31. Option D - Atherosclerosis

Reason: High cholesterol and saturated fatty acids promote plaque formation in arteries. Hence, we have to consume low levels of cholesterol and saturated fatty acids

32. Option B - Aneurysm

33. Option C

34. Option B

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