WorksheetsIB SEHS fall final 2020 full
Total questions: 65
Worksheet time: 33mins
Which outlines lipolysis?
Two glucose molecules combine to form a disaccharide
One glycerol and three fatty acids combine to form a triglyceride
One disaccharide breaks down to form two glucose molecules
One triglyceride breaks down to form glycerol and three fatty acids
What are the products of anaerobic glycolysis?
2 ATP per glucose molecule and lactic acid
2 ATP per glucose molecule and no lactic acid
34−36 ATP per glucose molecule and no lactic acid
34−36 ATP per glucose molecule and lactic acid
Which type of athlete receives the majority of their energy during performance through aerobic respiration?
Weightlifter
Gymnast
100 m swimmer
1500 m runner
Which molecule is represented by the diagram below?
Glucose
Fat
Amino acid
Protein
Which energy system is the most rapid to resynthesize ATP?
Anaerobic glycolysis
Aerobic glycolysis
Lactic acid
Creatine phosphate
Which is a function of protein?
Primary source of energy
Provide insulation under the skin
Provide insulation under the skin
Protect vital organs from impact
Which is the breakdown of glycogen into glucose?
Glycolysis
Glycogenesis
Glycogenolysis
Beta oxidation
What is the net amount of ATP molecules produced from one glucose molecule in the lactic acid system?
36
4
2
1
Which describes the lactic acid system?
Anaerobic energy system that produces 1 ATP
Aerobic energy system that produces 36 ATP
Catabolic reaction that uses one molecule of phosphocreatine
Energy system that can fuel high-intensity work for 90 seconds
A
B
C
D
A condensation reaction can combine glucose molecules to form
I. Monosaccharides
II. Disaccharides
III. Polysaccharides
I and II only
I and III only
II and III only
I, II and III
The diagram shows an animal cell. What is the structure labelled X?
Golgi apparatus
Nucleus
Endoplasmic reticulum
Mitochondrion
Which is a micronutrient?
Water
Lipid (fat)
Protein
Mineral
Which are micronutrients?
Water, lipids, proteins
vitamins, minerals
Carbohydrates, fibre, proteins
Vitamins, minerals, water
What characterizes saturated fats?
They contain one or more double bonds between carbon atoms within the fatty acid.
They originate from plant-based foods such as avocado and cashew nuts.
They have no double bonds between the individual carbon atoms of the fatty acid.
They are often found as liquids at room temperature.
Nucleus
Mitochondrion
Lysosome
Golgi apparatus
Which energy system is the quickest to re-synthesize ATP?
Anaerobic glycolysis
Aerobic glycolysis
Lactic acid
Creatine phosphate
Which is an unsaturated fat?
Palm oil
Olive oil
Tropical oil
Coconut oil
What is the definition of cell respiration?
All biochemical reactions that occur within an organism
The controlled release of energy from organic compounds in the form of ATP
Energy requiring reactions whereby small molecules are built up into larger ones
Chemical reactions that break down complex organic compounds into simpler ones
What is the role of carbohydrates?
Builds tissues
Helps digestion
Source of energy
Provides insulation
The diagram shows the nutritional information from an energy gel packet. Which nutrient provides the most energy per serving?
Total fat
Total carbohydrate
Protein
The nutrients provide equal amounts of energy
The diagram shows an anterior view of the heart. Which blood vessel is labelled X?
Aorta
Pulmonary artery
Pulmonary vein
Vena cava
What are by-products of the aerobic system?
CO2
ATP
CO2 and H2O
H2O
Which statement describes unsaturated fat?
Found in coconut oil
Originates from animal sources
Contains a double bond between carbon atoms
Contains a single bond between carbon atoms
Which term is defined as the volume of air breathed in and out in one breath?
Pulmonary ventilation
Tidal volume
Vital capacity
Residual volume
What describes the effect of exercise on cardiac output?
A
B
C
D
Where does blood exert the force measured as systolic blood pressure?
On the arterial walls during ventricular relaxation
On the venous walls during ventricular contraction
On the arterial walls during ventricular contraction
On the venous walls during ventricular relaxation
What is the action of the diaphragm and the alveolar pressure relative to the atmospheric pressure that cause exhalation?
A
B
C
D
What cardiovascular adaptations can result from endurance training?
What cardiovascular adaptations can result from endurance training?
Decreased left ventricular volume and increased capillarization
Decreased left ventricular volume and decreased arterio-venous oxygen difference
Increased left ventricular volume and decreased arterio-venous oxygen difference
What is vital capacity?
Inspiratory reserve volume plus total lung capacity
Total lung capacity minus residual volume
Tidal volume plus inspiratory reserve volume
Residual volume minus expiratory reserve volume
Which component of blood is greatest by volume?
Electrolytes
Plasma
Erythrocytes
Leucocytes
How does an increased erythrocyte level benefit an athlete?
By increasing the oxygen carrying capacity of the blood
By decreasing the capacity of the blood to clot in case of an injury
By increasing the ability of the body to fight infection
By decreasing viscosity of the blood
What type of blood is pumped by each of the blood vessels listed?
A
B
C
D
How does the heart meet the demand for oxygenated blood during physical activity?
Increasing cardiac output, decreasing stroke volume, increasing heart rate
Decreasing cardiac output, decreasing stroke volume, decreasing heart rate
Increasing cardiac output, increasing stroke volume, increasing heart rate
Decreasing cardiac output, increasing stroke volume, increasing heart rate
What does diastolic blood pressure measure?
The force exerted by blood on arterial walls during ventricular contraction
The force exerted by blood on venous walls during ventricular relaxation
The force exerted by blood on arterial walls during ventricular relaxation
The force exerted by blood on venous walls during ventricular contraction
Which is a principal structure of the ventilatory system?
Capillary
Bronchiole
Hemoglobin
Pulmonary artery
What is residual volume?
Volume of air in the lungs after maximum inhalation
Inflow and outflow of air between the atmosphere and the lungs
Volume of air still contained in the lungs after maximal exhalation
Additional inspired air over and above tidal volume
What is the action of the diaphragm and the external intercostal muscles during exhalation?
A
B
C
D
Which defines maximal oxygen consumption?
Maximum volume of oxygen inhaled and used per minute
Maximum volume of air exhaled after a maximum inhalation
Maximum volume of oxygenated blood ejected per minute
Maximum volume of oxygen breathed in or out per breath
Which is a function of the conducting airways?
Exchange gases
Resist air flow
Cool and moisten the air
Defend from substances inhaled
Which is the function of platelets?
Clot blood
Deliver oxygen
Produce antibodies
Carry carbon dioxide
Which structure is responsible for moistening air entering the ventilatory system?
Bronchi
Larynx
Pharynx
Nose
Which statement describes the movement of the diaphragm during inhalation?
The diaphragm moves downward to reduce pressure in the thoracic cavity.
The diaphragm moves upward to reduce pressure in the thoracic cavity.
The diaphragm moves downward to increase the pressure in the thoracic cavity.
The diaphragm moves upward to increase the pressure in the thoracic cavity.
The graph shows the stroke volume and heart rate for trained and untrained athletes. What is the reason for the difference in stroke volume?
Increased left ventricular volume
Increased capillarization
Increased arterio-venous oxygen difference
Increased resting heart rate
What is transported in the pulmonary artery?
Oxygenated blood to working muscles
Deoxygenated blood to working muscles
Deoxygenated blood to the lungs
Oxygenated blood to the lungs
What is pulmonary ventilation?
Exchange of respiratory gases between the lungs and blood
Diffusion of oxygen in the alveoli
Volume of air breathed in and out in one breath
Inflow and outflow of air between the atmosphere and the lungs
Where is hemoglobin located?
In white blood cells
In platelets
In muscle cells
In red blood cells
What factors may cause ventilation to increase during exercise?
Decreased oxygen levels and decreased blood acidity
Decreased carbon dioxide levels and increased blood acidity
Increased carbon dioxide levels and increased blood acidity
Increased oxygen levels and decreased blood acidity
What are some of the principal structures of the ventilatory system?
Nose, mouth, pharynx, larynx, aorta
Bronchi, bronchioles, lungs, alveoli, trachea
Bronchioles, lungs, alveoli, trachea, pulmonary artery
Bronchioles, lungs, alveoli, pulmonary vein, bronchi
Which cardiovascular adaptions are a result of endurance exercise training?
I. Increased stroke volume
II. Lower resting heart rate
III. Increased exercising heart rate
. I and II only
I and III only
II and III only
I, II and III
Which of the following applies to hemoglobin?
It binds strongly to oxygen when there is a low partial pressure
It is an iron compound
It transports approximately 80 % of oxygen in the blood
It is a component of white blood cells
Which of the following is correct for an athlete who is exercising at a steady pace on flat terrain for a prolonged period of time?
Stroke volume gradually decreases and submaximal heart rate gradually increases
Cardiac output gradually decreases as they get used to the exercise load
Stroke volume and submaximal heart rate gradually decrease
Stroke volume and submaximal heart rate gradually increase
What is an adaptation of endurance exercise training?
Increased heart rate
Decrease in stroke volume
Decrease in arterio-venous oxygen difference
Increase in capillarization around skeletal muscles
Which gases are exchanged at the alveoli?
Oxygen and nitrogen
Oxygen and carbon dioxide and nitrogen
Oxygen only
Oxygen and carbon dioxide
What is systolic blood pressure?
The force exerted by the blood on arterial walls during ventricular contraction
The force exerted by the blood on venous walls during ventricular contraction.
The force exerted by the blood on arterial walls during ventricular relaxation.
The force exerted by the blood on venous walls during ventricular relaxation.
An athlete is unable to train for a substantial amount of time following an injury. Which of the following will occur?
A decrease in resting heart rate
A decrease in capillarization around muscle tissue
An increase in arterio-venous oxygen difference
An increase in left ventricular volume
An increase in left ventricular volume
Plasma
Platelets
Leucocytes
Erythrocytes
What is the correct order for deoxygenated blood entering and leaving the heart?
Vena cava → Right ventricle → Right atrium → Pulmonary artery
Vena cava → Right atrium → Right ventricle → Pulmonary artery
Vena cava → Right ventricle → Right atrium → Pulmonary vein
Vena cava → Right atrium → Right ventricle → Pulmonary vein
What is vital capacity?
The volume of air in the lungs after maximum inhalation
The volume of air inhaled and exhaled in any one breath
Maximum volume of air that can be exhaled after a maximum inhalation
Additional inspired air over and above tidal volume
What makes a fitness test reliable?
It is repeatable.
It is relevant to a given sport.
It is inconsistent.
It measures the factors that it is designed to measure.
Which fitness test provides an assessment of muscle endurance?
Hand grip dynamometer
Maximum push-ups
Harvard step test
Standing broad jump
Which fitness component is most important when a soccer player dribbles a ball around opponents while maintaining their balance?
Muscular endurance
Aerobic capacity
Flexibility
Agility
What is reliability?
Becoming better at a particular exercise or skill
The quality or state of being correct or precise
A test that measures what it sets out to measure
Test results that are consistent and can be reproduced over time
Which is a reliable and valid test of a basketball player’s leg power?
Illinois Agility Test
Ruler drop test
Stork stand
Vertical jump
What does PAR-Q stand for?
Physical activity readiness questionnaire
Physiological activity readiness quantifier
Physiological assessment regularity quantifier
Physical assessment readiness questionnaire
