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Questions (1,295)

____________ is the sugar that is found in the blood and used as the body’s main energy source.(1 point) Responses Glucose
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Slow-twitch muscle fibers are used when:(1 point) Responses the muscles perform long slow movements the muscles perform long
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What is the basic unit of a muscle?(1 point) Responses myosin myosin actin actin muscle fibers muscle fibers myofibrils
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__________ refers to the pressure in the arteries when the heart beats (contracts).(1 point) Responses Diastolic pressure
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Loss of blood to the brain caused by a ruptured vessel is called:(1 point) Responses Aneurysm Aneurysm Stroke Stroke Brain
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_______________ refers to the pressure in the arteries when the heart is at rest, between beats.(1 point) Responses Blood
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_______________ is a balloon-type, bulging of a blood vessel.(1 point) Responses An aneurysm An aneurysm A stroke A stroke
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Tiny air sacs where exchange of gasses occur are:(1 point) Responses Veins Veins Arteries Arteries Capillaries Capillaries
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__________ are the smallest, most fragile blood vessels.(1 point) Responses Veins Veins Arteries Arteries Capillaries
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__________ are the smallest, most fragile blood vessels.(1 point) Responses Veins Veins Arteries Arteries Capillaries
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_________ receive blood from the capillaries after gas exchange takes place.(1 point) Responses Veins Veins Arteries Arteries
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_________ gradually become smaller and smaller and gradually divide into capillaries.(1 point) Responses Veins Veins Arteries
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_________ carry oxygen rich blood from the heart to the body’s tissues and organs.(1 point) Responses Veins Veins Arteries
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The pulmonary valve and the aortic valve ____ as the ventricles begin to contract.(1 point) Responses close close open open
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The heart has ____one way valves which open and close with each heartbeat.(1 point) Responses one one two two three three four
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The benefits of Yoga include:(1 point) Responses gaining spiritual balance and flexibility gaining spiritual balance and
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Modern exercise training method designed to improve strength, posture and flexibility, not spiritual in nature is called(1
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_________refers to the body’s torso, which include abdominals, glutes, and lower back(1 point) Responses Girth Girth Core Core
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Stretches that do not involve motionand are held for a brief period of time are called:(1 point) Responses Isometric stretches
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Tensing of the muscles that does not involve joint movement is called:(1 point) Responses Isometric stretching Isometric
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The _____ joints allow for turning and rotation.(1 point) Responses pivot pivot hinge hinge ball and socket ball and socket
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Bones in your joints are covered with a smooth and slippery material called:(1 point) Responses cartilage cartilage synovial
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A ______is an area where two bones meet and where one bone moves on another.(1 point) Responses tendon tendon ligament ligament
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Tough fibrous connective tissue that attaches muscles to bones:(1 point) Responses Ligaments Ligaments Tendons Tendons Cartilage
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Joints that are located between the surfaces of two flat bones:(1 point) Responses gliding joints gliding joints sliding joints
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__________is type of connective tissue found between the bones which allows the smooth movement of joints(1 point) Responses
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When muscles are regularly forced to work against ____________than they are used to, the cells become larger.(1 point) Responses
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The term plateau refers to:(1 point) Responses the increased demand that is placed on the body to enhance and improve physical
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The term duration refers to:(1 point) Responses how often you exercise how often you exercise how hard you exercise how hard you
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Progressive weakening and size reduction of muscle tissue, which is usually the result of disease or disuse, is called:(1 point)
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Balance is:(1 point) Responses the ability to maintain control of your body while stationary or moving. the ability to maintain
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Gross motor skills:(1 point) Responses are movements that involve a series of muscle groups that are dependent on eye
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_______________ is defined as the greatest amount of force that a muscle group can exert in a single effort.(1 point) Responses
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Skill-related factors refer to:(1 point) Responses agilityand reaction time agility and reaction time cardiovascular efficiency
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Health-related factors refer to:(1 point) Responses cardiovascular efficiency cardiovascular efficiency muscular strength and
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A condition in which the pancreas does not produce and/or utilize enough insulin to meet the body's needs:(1 point) Responses
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________________ is/are a/an aspect(s) that can set physical limits to our fitness potential.(1 point) Responses Heredity
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Define the following termPhysiological (1 point) Responses The processes and functions of the body The processes and functions
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Define the following termCardiovascular Fitness (1 point) Responses A term used to refer to the heart, lungs, and blood vessels.
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Define the following termFlexibility (1 point) Responses the ability of a tendon to move through its full range of motion the
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Define the following termDiabetes (1 point) Responses a disease in which the body produces and/or uses insulin in an ineffective
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Define the following termRisk Factors (1 point) Responses refers to being in good shape or physical condition refers to being in
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In a closed system, an object with a mass of 10 kg moves at a velocity of 5.4 m/s. It collides with a second object that has a
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One object is traveling northeast with a momentum of 12 kg-m/s, while a second object is traveling southwest on the same path as
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A football kick returner catches the ball just as a player from the opposing team dives to tackle him. At the time of impact,
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Newton’s cradle is a contraption where metal balls hang from a frame. When one ball is pulled and released, the collision
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Calcium oxide and carbon dioxide combine to form calcium carbonate in the reversible reaction:CaO + CO2 ⇌ CaCO3 When the
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Two workers are pushing on the same large crate. One worker pushes east with a force of 875 N, while the other worker pushes
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Use the graph to answer the question.A velocity versus time line graph. Which statement about the object represented in the
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Use the equation of motion to answer the question.x=x0+v0t+12at2 An object has a starting position of x = 2 m, a starting
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Use the graph of an object’s velocity over time to answer the question.An illustration shows the velocity versus time graph.
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On a position vs. time graph for an object, a horizontal line segment indicates that the object is(1 point)Responses moving at a
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Which statement is true about speed and velocity?(1 point)Responses Speed is a vector quantity, and velocity is a scalar
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Physical Science A Semester Exam25 of 3725 of 37 Items Question During a game of handball, you strike the ball with a mass of
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Howard leans back against a wall with 50 N of force. According to Newton’s Third Law of Motion, what force is being applied
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A rocket motor is used for different model rockets that have different masses. The results of tests for a rocket motor are shown
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During a game of tug-of-war, two students are pulling on a rope. One student pulls to the left with a force of 35 N, while
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Which type of decay is a form of nuclear fission?(1 point)Responses gamma decay gamma decay alpha decay alpha decay beta-plus
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Which type of decay is a form of nuclear fission?(1 point)Responses gamma decay gamma decay alpha decay alpha decay beta-plus
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Which type of decay is a form of nuclear fission?(1 point)Responses gamma decay gamma decay alpha decay alpha decay beta-plus
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A nucleus decays to produce a nucleus with one additional proton. Which type of decay did the nucleus undergo?(1 point)Responses
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Which statement accurately describes nuclear fission? (1 point)Responses Fission is a process in which two or more atoms combine
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Which statement about the number of protons and neutrons in a nuclear change is correct?(1 point)Responses The relative numbers
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Physical Science A Semester Exam17 of 3717 of 37 Items Question Hydrochloric acid and sodium hydroxide react to produce water
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When iron pipes come in contact with water and oxygen, iron transfers electrons to the oxygen molecules. Which statement about
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Use the generalized equation to answer the question.A + BC → B + AC Which type of reaction is modeled by the equation? (1
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Which generalized equation represents a double-replacement reaction?(1 point)Responses AB + CD → AD + CB AB + CD → AD + CB
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Molecules that are made up of two of the same atom have nonpolar covalent bonds. Which statement best explains this property?(1
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Under certain conditions, water can be separated into oxygen and hydrogen gases according to the equation 2H2O → 2H2 + O2.In a
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Under certain conditions, water can be separated into oxygen and hydrogen gases according to the equation 2H2O → 2H2 + O2.In a
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Use the periodic table to answer the question.An illustration shows the periodic table of elements. The elements in the periodic
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Physical Science A Semester Exam10 of 3710 of 37 Items Question Use the periodic table to answer the question. An illustration
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Which statement best describes a weak base?(1 point)Responses It accepts protons and completely dissociates in water. It accepts
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How do temperature changes lead to solubility changes for salt dissolved in water?(1 point)Responses High temperatures mean that
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How do temperature changes lead to solubility changes for salt dissolved in water?(1 point)Responses High temperatures mean that
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Which example accurately describes a solution? (1 point)Responses Polar sugar molecules dissolve in water, which is polar. Polar
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In an experiment involving a balloon, a scientist notices that the gas particles within the balloon begin to move faster,
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A person is drinking a glass of soda with ice. Which option describes the relative kinetic energy of molecules in and above the
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Physical Science A Semester Exam4 of 374 of 37 Items Question Use the periodic table to answer the question. An illustration
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Use the image of chlorophyll to answer the question.An illustration shows the structure of the chlorophyll molecule as a long
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Hydrogen is in Group 1 of the periodic table. Which kind of bond would form between two hydrogens?(1 point)Responses A metallic
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How did the study of the atom contribute to our understanding of the periodic table of the elements?(1 point)Responses
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Which statement explains a difference between the perspectives of the Aztec and the Inca on the arrival of the Spanish?(1 point)
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Which of the following is a long-term consequence of Spanish conquests in the Americas?(1 point)Responses changes in Catholic
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Which of the following best suggests the benefits of the Aztec Empire’s decentralized government?(1 point)Responses
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Which of the following best explains the significance of the Aztec Empire?(1 point)Responses By the early sixteenth century,
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What theories are supported by modern historians as reasonable explanations for the decline of Mayan civilization?(1 point)Respo
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What was the impact of the invention of the printing press?(1 point)Responses The printing press made printing books and papers
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Why were universities created?(1 point)Responses to give students places to further their education in the liberal arts to give
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Which of these statements best describes the role Elizabeth I played during the English Reformation?(1 point)Responses She
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Which event marks the beginning of the Counter-Reformation?(1 point)Responses the Edict of Worms the Edict of Worms the Council
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How did the Black Death destabilize the feudal system in the late Middle Ages?(1 point)Responses It created a labor shortage,
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Which key figure in medieval culture introduced important reforms to the Roman Catholic Church in the eleventh century?(1 point)
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Which of the following best describes why historians use sequencing?(1 point)Responses Historians use sequencing because
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While England’s legal documents were a step toward a constitutional monarchy, which of the following summarizes an obvious
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What did the Church consider to be an important failure of feudalism during the Middle Ages?(1 point)Responses Lords ignored
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What did the Church consider to be an important failure of feudalism during the Middle Ages?(1 point)Responses Lords ignored
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Describe the impact of the Catholic Church on medieval European culture.(1 point)Responses It created access to better
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What is a reason Dutch museums may push back against the terminology of the “Dutch Golden Age”?(1 point)Responses the large
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What was the main motivating factor of Christopher Columbus’s and Vasco da Gama’s maritime voyages?(1 point)Responses
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