Chapter 1- Body Orientation

Question 1

What is the best characterization of the concept of homeostasis?

Answer 1

Dynamic equilibrium

Question 2

In what direction does a negative feedback mechanism drive the factor being regulated?

Answer 2

In the opposite direction

Question 3

Which cavities are associated with the urinary bladder?

Answer 3

Ventral, pelvic, abdominopelvic Cavities

Question 4

What are the levels of complexity in the human body ?(start with the simplest)

Answer 4

Chemical, cellular, tissue, organ

Question 5

Frontal plane-

Answer 5

Divides body from back and front

Question 6

Median plane-

Answer 6

Divides body from left and right

Question 7

Transverse Plane-

Answer 7

Divides body from top and bottom

Question 8

A microscopic image shows a field of scattered cells intermixed with fibers. What level of structural organization is this?

Answer 8

Tissue level

Question 9

Which plane would show the heart, lungs, and liver in the same section?

Answer 9

Frontal (coronal) plane

Question 10

Describe the complementarity of anatomy and physiology?

Answer 10

Functions occur bc of the anatomy that exist within the body

Question 11

Moving from the simpler to more complex, which level or organization is immediately before ( simpler than) the cell?

Answer 11

Organelle ( mastering #48)

Question 12

Which level of structural organization is considered to be the highest (most complex) level?

Answer 12

Organismal

Question 13

Which organ systems are involved in the uptake and transport of materials required for life- sustaining process?

Answer 13

Digestive, circulatory, respiratory

Question 14

Which organization level corresponding to a protein molecule?

Answer 14

Cellular

Question 15

T/F: Organelles could be found throughout the body as an independent entity.

Answer 15

False

Question 16

In which organ system does carbon dioxide “travel”?

Answer 16

Respiratory

Question 17

T/F: digestion includes breaking down substances into their simpler building blocks, synthesizing more complex cellular structures from simpler substances, and using nutrients and oxygen to produce ATP.

Answer 17

false

Question 18

_____producing a response that reduces its effects is_______ which specifically move the variable ________ the _______

Answer 18

Stimulus, negative feedback, toward, original set/ range

Question 19

____ is received by ______ which sends a signal along the afferent pathway to the _____. Then it send a signal along the efferent pathway to the ______ which responds in a way that influences the original _________.

Answer 19

Stimulus, sensory receptor, control center, effector, stimulus

Question 20

____ producing a response that amplifies its effects is _____ which specifically moves the variable ____ (temporarily) from the ______

Answer 20

Stimulus, positive feedback, away, original set point/ range

Question 21

Both ______ and ______ feedback is a mechanism, that when used appropriately, returns the body to_______

Answer 21

Positive, negative, homeostasis

Question 22

With regards to a set point of normal limit negative feedback alway____ a physiology value to the set point or normal point.

Answer 22

Returns

Question 23

Which of the following region Anatomically describes “ anterior and most distal”?

• metatarsal
• crural
• femoral
• popliteal

Answer 23

Metatarsal

Question 24

Which directional term is used to describe the relationship of the skin to the skeletal muscle?

• lateral
• superficial
• deep
• medial

Answer 24

Superficial

Question 25

The umbilical is ___ to the chin

Answer 25

Caudal

Question 26

Parents bring a toddler to the emergency department after she tripped and fell on the sidewalk. You note s su mental laceration. As you evaluate this girl, you are most concerned about the trauma to which anatomic region?

• otic
• oral
• orbital
• occipital

Answer 26

Oral

Question 27

You teach a CPR class. You use a thoracic cavity to show how chest compressions maintain circulation. Which view of the heat would best illustrate this point?

• transverse
• Sagittal
• oblique
• frontal

Answer 27

Sagittal

Question 28

Serous membrane-

Answer 28

Is any membrane of the ventral cavity separated from other membranes by serous fluid.

Question 29

On the serous membrane found on the ventral cavity, the wall is called____

Answer 29

Parietal serosa

Question 30

Serous membrane found on any ventral cavity organ surface is called____

Answer 30

Visceral serosa

Question 31

What layer of visceral serosa is found on the surface of the lung?

Answer 31

Visceral pleura

Question 32

Visceral serosa on the surface of the heart is called____

Answer 32

Visceral pericardium

Question 33

Visceral serosa on the surface of most abdominopelvic organs is called____

Answer 33

Visceral peritoneum

Question 34

Parietal serosa on the abdominopelvic cavity walls is called____

Answer 34

Parietal peritoneum

Question 35

Parietal serosa forming a cavity for the heart is called____

Answer 35

Parietal pericardium

Question 36

Parietal serosa on the walls of a cavity housing a lung is called_____

Answer 36

Parietal pleura

Question 37

T/F: the serous membrane is a double- layered membrane created by 2 separate membranes

Answer 37

False

Question 38

The dorsal cavity is divided into_____ cavities

Answer 38

Vertebral/ spinal and cranial cavities

Question 39

Function of serous fluid

Answer 39

Enables organs( heart & stomach) to slide across cavity walls and each other w/o friction