Cardiovascular and Respiratory Systems in Sport and Exercise Science

Question 1

Which factors influence cardiovascular and respiratory function during exercise?

Accepted Answer

Fitness level

Accepted Answer

Age

Accepted Answer

Temperature

Answer

Motivation

Question 2

How does the respiratory system aid in gas exchange to meet the increased metabolic demands during exercise?

Accepted Answer

Increased breathing rate and depth

Answer

Decreased heart rate

Answer

Narrowing of airways

Question 3

Which of the following is NOT a factor that causes an increase in heart rate during exercise?

Accepted Answer

Increased blood glucose levels

Answer

Increased muscle activity

Answer

Increased core temperature

Answer

Increased sympathetic nervous system activity

Question 4

Which of the following is NOT a function of the cardiovascular system during exercise?

Accepted Answer

Providing structural support to the body

Answer

Delivering oxygen and nutrients to muscles

Answer

Removing waste products

Answer

Regulating body temperature

Question 5

What is the primary purpose of the respiratory system during exercise?

Accepted Answer

To exchange gases (oxygen and carbon dioxide)

Answer

To regulate body temperature

Answer

To produce energy

Answer

To filter blood

Question 6

Which of the following measures the volume of oxygen used by the body during exercise?

Accepted Answer

Oxygen consumption

Answer

Heart rate

Answer

Blood pressure

Answer

Tidal volume

Question 7

Which of the following is NOT a factor that influences blood pressure during exercise?

Accepted Answer

Age

Answer

Cardiac output

Answer

Peripheral resistance

Answer

Hormonal changes

Question 8

What is the term for the adaptations of the cardiovascular and respiratory systems to exercise?

Accepted Answer

Cardio-respiratory conditioning

Answer

Aerobic fitness

Answer

Physical fitness

Answer

Metabolic adaptation

Question 9

Which measure assesses the efficiency of the cardiovascular and respiratory systems during exercise?

Accepted Answer

VO2 max

Answer

Heart rate max

Answer

Lactate threshold

Answer

Wingate test

Question 10

During exercise, ECG monitoring provides valuable insights into heart activity. Which ECG parameters specifically indicate heart activity?

Accepted Answer

Heart rate and PR interval

Answer

Blood pressure and cardiac output

Answer

Oxygen consumption and stroke volume

Question 11

In cardiovascular and respiratory testing, which ethical principle is most important?

Accepted Answer

Respecting participants' rights and obtaining informed consent

Answer

Ensuring accurate test results

Answer

Guaranteeing participants' safety during the assessment

Question 12

Calculating oxygen consumption (VO2) involves measuring the amount of oxygen utilized by the body during exercise. Which parameter is NOT included in this calculation?

Accepted Answer

Stroke volume

Answer

Volume of inhaled and exhaled oxygen

Answer

Concentration of oxygen in inhaled and exhaled air

Answer

Respiratory rate

Question 13

Over time, the body undergoes adaptations to enhance its efficiency in utilizing oxygen during prolonged exercise. Which adaptation is NOT observed?

Accepted Answer

Decreased cardiac output

Answer

Increased mitochondrial density

Answer

Increased capillary density

Answer

Increased red blood cell count

Question 14

During exercise, the respiratory rate typically increases. Which factor does NOT contribute to this increase?

Accepted Answer

Reduced blood pH

Answer

Elevated demand for oxygen

Answer

Increased production of carbon dioxide

Answer

Raised body temperature

Question 15

Which type of exercise training is most effective for enhancing cardiovascular endurance?

Accepted Answer

High-intensity interval training

Answer

Strength training

Answer

Yoga

Answer

Flexibility training

Question 16

Which condition is characterized by abnormally elevated blood pressure?

Accepted Answer

Hypertension

Answer

Hypotension

Answer

Bradycardia

Answer

Tachycardia

Question 17

Which of the following is NOT a physiological adaptation of the cardiovascular system to exercise?

Accepted Answer

Constant blood pressure

Answer

Increased heart rate

Answer

Increased stroke volume

Answer

Dilated blood vessels

Question 18

During exercise, which of the following mechanisms is primarily responsible for increasing oxygen delivery to the muscles?

Accepted Answer

Elevated heart rate

Answer

Increased red blood cell production

Answer

Increased capillary density

Answer

Increased hemoglobin concentration

Question 19

Which of the following factors would lead to an increased oxygen consumption during exercise?

Accepted Answer

Higher exercise intensity

Answer

Lower ambient temperature

Answer

Reduced muscle mass

Answer

Enhanced cardiovascular fitness

Question 20

What is the term for the volume of blood pumped by the heart per beat?

Accepted Answer

Stroke volume

Answer

Cardiac output

Answer

Heart rate

Answer

Tidal volume

Question 21

Which of the following is a function of the respiratory system during exercise?

Accepted Answer

Gas exchange

Answer

Thermoregulation

Answer

Hormone production

Answer

Nutrient storage

Question 22

What is the primary mechanism by which the respiratory system increases oxygen uptake during exercise?

Accepted Answer

Increased tidal volume

Answer

Increased respiratory rate

Answer

Increased oxygen saturation

Answer

Reduced airway resistance

Question 23

Which of the following conditions can result from prolonged physical exertion in very hot environments?

Accepted Answer

Heatstroke

Answer

Hypothermia

Answer

Frostbite

Answer

Rhabdomyolysis

Question 24

What is the primary function of the sympathetic nervous system during exercise?

Accepted Answer

Increases heart rate and blood flow to active muscles

Answer

Decreases heart rate and blood flow

Answer

Increases ventilation and airway resistance

Answer

Decreases ventilation and airway resistance