Intro To Body

Question 1

What is the definition of anatomy?

Answer 1

Study of body structure, gross or microscopic

Question 2

What is the study of body function and organs

Answer 2

Physiology

Question 3

What is an objective physical indication of disease?

Answer 3

Signs

Question 4

What is a subjective indication of disease or a change in condition?

Answer 4

Symptoms

Question 5

Nausea is an example of

Answer 5

Symptoms

Question 6

Heart rate is an example of

Answer 6

Signs

Question 7

What is the first characteristic of life?

Answer 7

Maintenance of boundaries

Question 8

Describe the maintenance of boundaries

Answer 8

Living organism has to keep internal environment distinct from external environments

Question 9

What is the 2nd characteristic of life?

Answer 9

Responsiveness

Question 10

Describe the characteristic responsiveness

Answer 10

The ability to respond to physical and chemical changes in the internal and external environment

Question 11

What is the 3rd characteristic of life?

Answer 11

Growth and differentiation

Question 12

Describe the characteristics of growth

Answer 12

Growth is the ability to increase in body size WITHOUT IMPORTANT CHANGES IN BODY SHAPE

Question 13

Describe the characteristics of differentiation

Answer 13

The process by which a cell becomes specialized to perform a specific function

Question 14

What is the 4th characteristic of life

Answer 14

Metabolism and Excretion

Question 15

Describe the characteristics of metabolism

Answer 15

The sum of all the chemical reactions that take place in the cells (catabolism and anabolism)

Question 16

Describe excretion

Answer 16

The removal of waste products from the body

Question 17

What is the 5th characteristic of life?

Answer 17

Movement

Question 18

Describe the characteristics of movement

Answer 18

Movement includes the moving body as a whole from one location to another, moving body parts and moving materials around in the body

Question 19

What is the 6th characteristic of life?

Answer 19

Reproduction

Question 20

Describe the characteristic reproduction

Answer 20

Reproduction occurs in 2 levels cellular reproduction and organismic reproduction

Question 21

What is cellular reproduction

Answer 21

In which the original cell divides into 2 daughter cells

Question 22

What is organismic reproduction

Answer 22

It results in a new human organism, eggs and sperms

Question 23

What is the 1st organizational level?

Answer 23

Chemical

Question 24

Describe the chemical organizational level

Answer 24

It includes atoms and molecules, ionic and covalent bonds

Question 25

What is the 2nd organizational level

Answer 25

Cellular

Question 26

Describe the cellular organizational level

Answer 26

Cellular- cells are the smaller living units of the body

Question 27

What is the 3rd organizational level?

Answer 27

Tissues are groups of similar cells organized to perform a common function

Question 28

What are the types of tissues

Answer 28

Epithelial, connective, muscles, nervous

Question 29

What is the 4th organizational level

Answer 29

Organs

Question 30

Describe the organ organizational level

Answer 30

Organs are a complex group of tissues organized to perform a specific function

Question 31

What is the 5th organizational level?

Answer 31

Organ system

Question 32

Describe the organ system level

Answer 32

It’s groups of organs that work closely together to perform a common purpose, 2 or more muscles/tissues Ex: the heart has tissues and muscles

Question 33

Describe the organism level

Answer 33

It’s the most complex level of organization, an individual living thing Ex: humans animals

Question 34

What is homeostasis?

Answer 34

Homeostasis is the maintenance of a stable internal environment includes dynamic equilibrium

Question 35

What is dynamic equilibrium

Answer 35

Helps maintain balance within homeostasis

Question 36

What are the 2 general mechanisms in homeostasis

Answer 36

Intrinsic regulation and extrinsic regulation

Question 37

What is intrinsic regulation?

Answer 37

Regulating inside controls and regulation

Question 38

What is extrinsic regulation?

Answer 38

Regulating outside controls

Question 39

What are the controls of homeostasis

Answer 39

Receptor, control center, and effector

Question 40

What is a receptor?

Answer 40

A sensor responds to stimulus to change, sends information to control center through the afferent pathway

Question 41

What is the 6th organizational level?

Answer 41

Organism

Question 42

What is the control center of homeostasis?

Answer 42

Determines the tolerable range for the variable, analysis inputs and when necessary induces a response. Efferent pathway

Question 43

What is the effector of homeostasis?

Answer 43

Receives the output, produces a response and allows the body to change conditions while returning to the normal range

Question 44

Feedback can either be ?

Answer 44

Positive or negative

Question 45

Describe negative feedback?

Answer 45

Negative feedback is when the effector activity reverse and REDUCES the original stimulus back to the tolerable range Most common type

Question 46

Describe positive feedback

Answer 46

Positive feedback is when the effector activity enhances and intensifies the original stimulus.

Question 47

What is an example of negative feedback

Answer 47

Thermoregulation

Question 48

What is an example of positive feedback

Answer 48

Platelet plug- breaks or tears in blood wall Childbirth- stimulus =pressure, control center= brain, oxytocin =effector, which stimulates contractions and the cervix stretches which allows a baby to be born

Question 49

What is the homeostatic imbalances?

Answer 49

It contains both disorder and disease

Question 50

Describe the homeostatic imbalance disorder

Answer 50

Disorder is any disruption of normal function Can be measured and observed Objective physical indication

Question 51

Describe the homeostatic imbalances of disease

Answer 51

Disease is a specific illness or disorder characterized by recognizable set of signs & symptoms