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- 1. Multiple Choice
The illustration shows four lobes of the human brain. What lobe is designated by label 2?temporal lobeparietal lobeoccipital lobefrontal lobe - 2. Multiple ChoiceWhich lobe of the brain is designated by number 4?occipital lobeparietal lobefrontal lobetemporal lobe
- 3. Multiple ChoiceThe rate at which blood flows through the human body changes in response to many factors. Which statement describes one of these factors and its effect on blood flow?A high viscosity of blood causes an increased resistance in the blood vessels and leads to slow blood flow.A low blood pH decreases the rate of diffusion through the blood vessels and leads to slow blood flow.The changing of the shape of red blood cells to a crescent shape decreases resistance and lead to a faster blood flow.The narrowing of blood vessels increases pressure and leads to a faster blood flow.
- 4. Multiple ChoiceWhich of the following factors would most directly affect blood flow through the circulatory system?blood pressureblood sugarrespiratory rateoutside temperature
- 5. Multiple ChoiceWhat causes blood pressure?cholesterol in the bloodstress that exercise puts on heart musclecontraction of the ventricles in the heartremoval of oxygen from the blood
- 6. Multiple ChoiceWhich line in the graph above best illustrates an effect of the carbon dioxide level in the blood on breathing rate before, during and after a period of exercise?ABCD
- 7. Multiple ChoiceWhich of the following best describes the connection between cardiovascular disease and age?As people age, their blood vessels become more elastic leading to less cardiovascular disease.As people age, the heart becomes more efficient with each pump, increasing cardiac output.As people age, blood pressure decreases leading to more cardiovascular disease.As people age, plaque builds up in the arteries increasing vessel resistance, which leads to disease.
- 8. Multiple ChoiceA doctor examines a patient who has high blood pressure and atherosclerosis in the coronary artery. What medical condition connected to blood flow is most likely to affect this patient in the future?The patient may develop headaches and confusion due to cancer in the brain caused by years of low levels of oxygen supplied to the brain.The patient may develop stiff joints and chest pains from the high blood pressure applied to the muscle and joint tissues of the body.The patient may show signs of confusion, weakness, and partial paralysis due to high blood pressure when the plaque dislodges and blocks blood flow to the brain.The patient may suffer a heart attack because of the reduction in blood flow to the heart muscles due to severe plaque build-up in the coronary artery
- 9. Multiple ChoiceWhich of the brain regions marked on the diagram below is the frontal lobe?ABCD
- 10. Multiple ChoiceMany factors can affect how blood flows through your body. Which of the following can interfere with blood flow?normal blood cholesterol levelsdecrease in heart ratenarrowing of the blood vesselsmoderate exercise
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