CHPT 6

Question 1

The cardiorespiratory system is comprised of the

Answer 1

heart, blood, blood vessels, and lungs

Question 2

The respiratory system is comprised of the

Answer 2

respiratory airways, lungs, and respiratory
muscles.

Question 3

A normal heart rate ranges from

Answer 3

60 to 100 beats per minute

Question 4

Each side of the heart has two chambers

Answer 4

an atrium and a ventricle

Question 5

The sinoatrial node is referred to as

Answer 5

the pacemaker of the heart and sends the electrical
signal to the atrioventricular node and ultimately into the ventricles

Question 6

The _____ gathers deoxygenated blood returning to the heart from the body and
then sends it to the right ventricle and to the lungs for oxygenation

Answer 6

right atrium

Question 7

The _____ receives oxygenated blood from the lungs and sends it to the left
ventricle to be pumped out into the body.

Answer 7

left atrium

Question 8

The ______ transports deoxygenated blood from the right ventricles to the lungs, whereas the ______ transports oxygenated blood from the lungs to the left atrium.

Answer 8

• pulmonary artery
• pulmonary vein

Question 9

_____ is the amount of blood pumped out of the heart with each contraction

Answer 9

Stroke volume

Question 10

Cardiac output is the

Answer 10

volume of blood pumped out of the heart in a minute and is a
function of both heart rate and stroke volume

Question 11

Arteries transport blood ____ from the heart to the body, whereas veins transport
blood ____ to the heart, and capillaries function as an _____ between the
vessels and bodily tissues

Answer 11

• away
• back
• exchange channel

Question 12

Breathing is divided into two phases:

Answer 12

inspiration and
expiration

Question 13

A normal respiratory rate is _____ breaths per minute and relies on the primary
respiratory muscles (diaphragm and intercostals

Answer 13

12 to 16

Question 14

Diffusion is a term used to describe

Answer 14

the process of getting oxygen from the environment
to the body’s tissues

Question 15

bradypnea

Answer 15

rate of less than 8 breaths per minute

Question 16

tachypnea

Answer 16

rate of greater than 24 breaths per minute

Question 17

The _______ control a majority of functions for the endocrine
system

Answer 17

hypothalamus and pituitary gland

Question 18

_____ which is stimulated by the adrenal cortex, may be used to aid in recovery from
exercise and as a marker of overtraining

Answer 18

Cortisol

Question 19

_____ both function to control blood glucose levels and work opposite to each other

Answer 19

Insulin and glucagon

Question 20

glucagon aids in the

Answer 20

metabolism of glucose

Question 21

insulin aids in the

Answer 21

cellular uptake and storage of glucose

Question 22

The catecholamines, which consist of ________ , are immediately
stimulated from the adrenal medulla in response to exercise

Answer 22

epinephrine and norepinephrine

Question 23

The digestive system consists of the (5)

Answer 23

• oral cavity
• the upper GI tract
• liver
• gall bladder
• pancreas

Question 24

The _____ has a key function of absorption of carbohydrates, lipids, calcium,
amino acids, and iron

Answer 24

small intestine

Question 25

The _______, ______, and _____ produce and store digestive juices, which are secreted into the small intestine to help with digestion

Answer 25

liver, gall bladder, and pancreas

Question 26

Atrium (atria)

Answer 26

Superior chamber(s) of the heart that gathers blood returning to the heart

Question 27

Ventricle

Answer 27

Inferior chamber of the heart that pumps blood to the lungs and body

Question 28

Atrioventricular (AV) node

Answer 28

Located between the atria and ventricles, this node delays the impulse from the sinoatrial node before allowing it to pass to the ventricles

Question 29

Bradycardia

Answer 29

heart rate is less than 60 beats per minute

Question 30

Tachycardia

Answer 30

heart rate is greater than 100 beats per minute

Question 31

Cardiac output

Answer 31

The overall performance of the heart (heart rate × stroke volume).

Question 32

Venules

Answer 32

Small veins that allows blood to drain from capillaries into the larger veins.

Question 33

Venous pooling

Answer 33

The accumulation of blood into the extremities due to slow blood flow though the veins (venous return) or backflow.

Question 34

Stages of hypertension (5)

Answer 34

- normal - elevated - stage 1 - stage 2 - hypertensive crisis

Question 35

Stages of hypertension: Normal

Answer 35

Systolic less than 120 and diastolic less than 80

Question 36

Stages of hypertension: Elevated

Answer 36

Systolic 120–129 and diastolic than 80

Question 37

Stages of hypertension: Stage 1

Answer 37

Systolic 130–139 or diastolic 80–89

Question 38

Stages of hypertension: Stage 2

Answer 38

Systolic greater than140 or diastolic greater than 90

Question 39

Stages of hypertension: Hypertensive crisis

Answer 39

Systolic greater than180 and/or diastolic great than120

Question 40

Structures of respiratory pump

Answer 40

- Bones - Inspiration Muscle - Expiration Muscles

Question 41

Valsalva maneuver is a process that involves

Answer 41

expiring against a closed windpipe, creating additional intra-abdominal pressure and spinal stability

Question 42

Structures of respiratory passages

Answer 42

- Conducting Airways - Respiratory Airways

Question 43

Respiratory Airways

Answer 43

- Alveoli - Alveolar sacs

Question 44

_______ the breakdown and utilizatoon of fat for energy

Answer 44

Lipolysis

Question 45

Glycogen

Answer 45

Glucose that is deposited and stored in bodily tissues, such as the liver and muscle cells; the storage form of carbohydrate

Question 46

Growth hormone

Answer 46

An anabolic hormone produced by the pituitary gland that is responsible for growth and development

Question 47

Catecholamines

Answer 47

Hormones produced by the adrenal glands that are part of the stress response known as the fight-or-flight response