Chapter 6 Quiz Questions

Question 1

How can basal metabolic rate (BMR) best be defined?

Answer 1

The amount of energy required to maintain the body at rest

Question 2

The pancreas secretes which of the following hormones?

Answer 2

Insuin

Question 3

The process of diffusion of oxygen and carbon dioxide gases in and out of the bloodstream occurs in what structure or structures?

Answer 3

Alveolar sacs

Question 4

What change would lead to an increase in cardiac output during exercise?

Answer 4

Increased heart rate

Question 5

What anatomical heart structure is referred to as “the pacemaker of the heart”?

Answer 5

Sinoatrial node

Question 6

What is stroke volume?

Answer 6

The amount of blood pumped out of the heart with each contraction

Question 7

Where is the heart located in the thoracic cavity?

Answer 7

Central to the left and anterior to the spine

Question 8

The cardiovascular and respiratory systems work together to provide the body with what gas?

Answer 8

Oxygen

Question 9

What is end-systolic volume?

Answer 9

The amount of blood remaining in the ventricle after contraction

Question 10

Abnormal breathing may be associated with which of the following effects?

Answer 10

Shallow rapid breaths with use of the sternocleidomastoid

Question 11

How would age and overall health affect testosterone levels among men?

Answer 11

A reduction in testosterone levels occurs with age, and overall health may affect the degree of change.

Question 12

What is a normal respiratory rate for an adult during rest?

Answer 12

15 breaths per minute

Question 13

What are two ways to best improve the timely passage of food through the intestinal tracts and prevent constipation?

Answer 13

Ensure adequate water intake, and engage in an exercise program that is inclusive of both aerobic and resistance training

Question 14

Where in the digestive system are most fluids absorbed?

Answer 14

Small intestine

Question 15

Which of the following hormones have an anabolic function and have been shown to increase up to 48 hours following resistance training?

Answer 15

Insulin-like growth factor (IGF)

Question 16

Which component of blood is primarily responsible for clotting mechanisms?

Answer 16

Platelets

Question 17

What advice would enable a client to breathe properly?

Answer 17

Sit upright and slowly breathe in through your nose while allowing your stomach to expand.

Question 18

The pathway for hormones secreted by the endocrine system may be described by which of the following?

Answer 18

The gland secretes the hormone, which travels through the bloodstream to reach a target cell, where it binds to a receptor and influences a particular action.

Question 19

Which of the following blood pressure values would be classified as normal according to the American Heart Association?

Answer 19

Systolic <120 and diastolic <80

Question 20

Which heart chamber receives oxygenated blood and pumps it to the body?

Answer 20

Left ventricle

Question 21

What training tip would enhance the benefits of resistance training by helping increase growth hormone, testosterone, and epinephrine?

Answer 21

Slowing down the speed of contractions during the eccentric and concentric phases

Question 22

Which of the following effects of the cardiovascular system occurs during exercise?

Answer 22

Increased ventricular filling

Question 23

What is the primary function of the large intestine?

Answer 23

Absorption of food and passage of waste into the rectum

Question 24

What component of breathing improves blood flow back to the heart?

Answer 24

Inspiration with a decrease in intrathoracic pressure

Question 25

Which endocrine gland serves as a communication channel between the brain and pituitary gland?

Answer 25

Hypothalamus

Question 26

Which of the following processes describes the passage of digested food into the blood system to be processed for energy, nutrients, and tissue building?

Answer 26

Absorption

Question 27

Which of the following exercises would be most likely to contribute to an acute increase in testosterone levels?

Answer 27

Back squat

Question 28

Food in the stomach is processed and then passes into what anatomical structure?

Answer 28

Duodenum of the small intestine

Question 29

Which heart chamber receives deoxygenated blood and pumps it to the lungs?

Answer 29

Right ventricle

Question 30

Which of the following muscles are responsible for normal resting state (quiet) breathing?

Answer 30

Diaphragm

Question 31

Which type of training would most likely lead to increased levels of testosterone, insulin-like growth factors, and growth hormone?

Answer 31

Overload training that is of a high intensity with limited rest periods

Question 32

What effect would sleep deprivation have on growth hormone and cortisol levels?

Answer 32

Inadequate sleep will increase growth hormone levels and decrease cortisol levels.

Question 33

Where in the heart is the sinoatrial node located?

Answer 33

Right atrium

Question 34

What is cardiac output?

Answer 34

The volume of blood pumped by the heart per minute

Question 35

The difference between the end-diastolic and end-systolic volumes is referred to as what?

Answer 35

Stroke volume

Question 36

What area of the chest contains the heart?

Answer 36

Mediastinum

Question 37

Which of the following hormones, if increased at baseline, may be indicative of overtraining?

Answer 37

Cortisol

Question 38

Catecholamines are responsible for which of the following actions?

Answer 38

Increased lipolysis