Unit 1 Quiz (Besides 3, 8, and 9 from Review Guide)

studied byStudied by 35 people
0.0(0)
get a hint
hint

What is the Hierarchy of Organization?

1 / 43

encourage image

There's no tags or description

Looks like no one added any tags here yet for you.

44 Terms

1

What is the Hierarchy of Organization?

  1. Atom

  2. Molecule

  3. Organelle

  4. Cell

  5. Tissue

  6. Organ

  7. Organ System

  8. Organism

New cards
2

What are the 5 Steps of a feedback Loop?

Stimulus --> Receptor --> Control Center --> Effector--> Response Example of Glucagon: Low Glucose levels (stimulus), Pancreas are triggered and detects disease (receptor), Alpha Cells receives signals from the pancreas and release glucagon (control center), Glucagon acts on the glycogen and sent to the liver and broken down to the blood (effector), and glucose levels start to rise (response). See other examples in notes.

New cards
3

What is a positive feedback loop?

Positive feedback is amplifying the stimulus or pushes away from the normal state. Example would be childbirth or a fruit rotting.

New cards
4

What is a negative feedback loop?

Negative feedback counteracts with the stimulus and the changes of properties from their target values (set points). Example would be body temperature rising, or under body temperature.

New cards
5

What are the characteristics of an Epithelial Tissue?

Significant differences in shapes, including cubes, columns, and even bricks; although, some could have irregular shapes in general. Additionally, the cells are very clustered with zero space between them. Example: The inside of the stomach and intestines.

<p>Significant differences in shapes, including cubes, columns, and even bricks; although, some could have irregular shapes in general. Additionally, the cells are very clustered with zero space between them. Example: The inside of the stomach and intestines.</p>
New cards
6

What are the characteristics of a Connective Tissue?

The cells are far apart and have a substance called the matrix that fills in between their spaces of them. In the matrix there is fiber, and these fibers are large proteins that strongly support the tissue itself. Example: Bone

<p>The cells are far apart and have a substance called the matrix that fills in between their spaces of them. In the matrix there is fiber, and these fibers are large proteins that strongly support the tissue itself. Example: Bone</p>
New cards
7

What are the characteristics of a Muscular Tissue?

The cells of the muscular tissue are long and thin; however, the three types of muscle tissue have a variation in what they look like. For example, the skeletal and cardiac muscle tissues have stripes across the fibers. Example: Biceps

<p>The cells of the muscular tissue are long and thin; however, the three types of muscle tissue have a variation in what they look like. For example, the skeletal and cardiac muscle tissues have stripes across the fibers. Example: Biceps</p>
New cards
8

What are the characteristics of a Nervous Tissue?

Also known as neurons, of the nervous tissue are connected to other nerve cells as well. These neurons are supported by glial cells and create a fatty substance known as myelin that surrounds the neurons. Example: Brain

<p>Also known as neurons, of the nervous tissue are connected to other nerve cells as well. These neurons are supported by glial cells and create a fatty substance known as myelin that surrounds the neurons. Example: Brain</p>
New cards
9

Where is the Cranial Cavity located and what organs are found in this cavity?

Located at the top of the body and contains the brain.

<p>Located at the top of the body and contains the brain.</p>
New cards
10

Where is the Spinal cavity located and what are the organs found in the cavity?

Located in the neck area of the body and contains the spinal cord.

<p>Located in the neck area of the body and contains the spinal cord.</p>
New cards
11

Where is the Thoracic cavity located and what are the organs found in the cavity?

Located in the chest and contains the lungs and heart.

<p>Located in the chest and contains the lungs and heart.</p>
New cards
12

Where is the Abdominal cavity located and what are the organs found in the cavity?

Located in the stomach area and contains Stomach, kidneys, liver, pancreas, spleen intestines, cecum, appendix and other organs.

<p>Located in the stomach area and contains Stomach, kidneys, liver, pancreas, spleen intestines, cecum, appendix and other organs.</p>
New cards
13

Where is the Pelvic cavity located and what are the organs found in the cavity?

Located in the bottom part of the body and contains Bladder, ovaries, uterus, rectum, lower parts of intestines.

<p>Located in the bottom part of the body and contains Bladder, ovaries, uterus, rectum, lower parts of intestines.</p>
New cards
14

Which cavities are part of the Dorsal?

The cranial and spinal cavities.

New cards
15

Which cavities are part of the Ventral?

The thoracic, abdominal, and pelvic.

New cards
16

What organs are part of right upper quadrant (RUQ) of the abdominal cavity?

Liver, stomach, gallbladder, duodenum, right kidney, pancreas, and the right adrenal gland.

New cards
17

What organs are part of left upper quadrant (LUQ) of the abdominal cavity?

Liver, stomach, pancreas, left kidney, spleen, and the left adrenal gland.

New cards
18

What organs are part of right lower quadrant (RLQ) of the abdominal cavity?

cecum, appendix, right ovary, right ureter.

New cards
19

What organs are part of left lower quadrant (LLQ) of the abdominal cavity?

left ureter, left ovary, (NOTE: All four quadrants contain portions of the small and large intestines.)

New cards
20

Sagittal plane

Divides body into right and left portions

<p>Divides body into right and left portions</p>
New cards
21

Frontal plane

Divides body into front and back portions

<p>Divides body into front and back portions</p>
New cards
22

Transverse plane

Divides body into top and bottom portions

<p>Divides body into top and bottom portions</p>
New cards
23

Anterior (ventral)

In front of, toward the front of the body (The breastbone is anterior to the spine.)

<p>In front of, toward the front of the body (The breastbone is anterior to the spine.)</p>
New cards
24

Posterior (dorsal)

Behind, or toward the back of the body (The heart is posterior to the breastbone.)

<p>Behind, or toward the back of the body (The heart is posterior to the breastbone.)</p>
New cards
25

Superior

Above, or toward the head or upper part of the body (The forehead is superior to the nose.)

<p>Above, or toward the head or upper part of the body (The forehead is superior to the nose.)</p>
New cards
26

Inferior

Below, or toward the lower part of a structure of the body (The hips are inferior to the ribs.)

<p>Below, or toward the lower part of a structure of the body (The hips are inferior to the ribs.)</p>
New cards
27

Medial

Toward, or at the midline of the body, on the inner side of (The heart is medial to the arm.)

<p>Toward, or at the midline of the body, on the inner side of (The heart is medial to the arm.)</p>
New cards
28

Lateral

Away from the midline of the body, on the outer side of (The arms are lateral to the chest.)

New cards
29

Proximal

Close to, or toward the point of attachment to the trunk of the body (The elbow is proximal to the wrist (it is closer to where the arm connects to the trunk).)

<p>Close to, or toward the point of attachment to the trunk of the body (The elbow is proximal to the wrist (it is closer to where the arm connects to the trunk).)</p>
New cards
30

Distal

Farther from, or away from the point of attachment to the trunk of the body (The knee is distal to the thigh.)

<p>Farther from, or away from the point of attachment to the trunk of the body (The knee is distal to the thigh.)</p>
New cards
31

Superficial

Toward the body surface (The skin is superficial to the skeleton.)

<p>Toward the body surface (The skin is superficial to the skeleton.)</p>
New cards
32

Deep

Away from the body surface, more internal (The lungs are deep to the rib cage.)

<p>Away from the body surface, more internal (The lungs are deep to the rib cage.)</p>
New cards
33

Atom

the smallest unit of any element.

New cards
34

Molecule

A combination of atoms that interact with each other.

New cards
35

Element

each of more than one hundred substances that a not be broken down into something else by a chemical reaction, they do not change.

New cards
36

Compound

Chemical formulas that hold lots of information, and a molecule that has more than one element in it. Example of a compound would be Carbon Dioxide, CO2 = 1 carbon atom and 2 oxygen atoms.

New cards
37

Ion

Charged particles, and unbalance of the protons and electrons in the nucleus. Cations are the positively charged ions giving electrons away, while anions are negatively charged ions that are attracted to electrons.

New cards
38

Acid

a chemical that, when it meets up with water, dissolves and releases hydrogen ions, H+.

New cards
39

Base

a substance that, when dissolved in water, releases an OH- ion, which is also called a hydroxide ion.

New cards
40

Salt

An ionic bond, some atoms give up electrons to other atoms. This is the kind of bond we see above between sodium and chlorine, which we call sodium chloride.

New cards
41

Describe how polar substances interact in the cell membrane.

The head of the phospholipid molecule is polar. Remember that a polar molecule has a slight charge to it. And remember that water is polar, and water also makes up most of the fluid inside and outside of your cells. Polar molecules are slightly attracted to each other, so the polar ends of the phospholipid molecules are drawn to the water.

New cards
42

Describe how nonpolar substances interact in the cell membrane.

In contrast, the legs of the phospholipid molecule are not charged and don't easily float in water. So, they sit next to each other, forming the inside of the cell membrane, and the polar heads face the watery inside and outside of the cell.

New cards
43

Define pH and explain its relationship to homeostasis.

pH stands for power of hydrogen, or potential hydrogen. Essentially, it's a measure of how readily a chemical solution will accept H+ ions. If pH is too high or too low, some molecules necessary for important reactions will start to fall apart or not be able to perform the reactions very efficiently. The pH of your blood is around 7.4. Maintaining this pH is especially important, because blood is constantly flowing to all of your organs.

New cards
44

Define electrolytes and describe its relationship to homeostasis

Some ions in your body are called electrolytes. One definition that you may have heard of is that electrolytes are a set of ions that are important for your body when you're exercising. When electrolyte homeostasis is thrown out of balance, some serious problems can arise, like seizures, kidney dysfunction, and irregular heartbeats. When you become dehydrated, your electrolytes can become more concentrated because there is less water in your body, and the high concentration can make the chemical reactions happen less efficiently. So, it's important to drink water when you're exercising to keep your electrolyte levels balanced.

New cards

Explore top notes

note Note
studied byStudied by 12 people
Updated ... ago
5.0 Stars(1)
note Note
studied byStudied by 13 people
Updated ... ago
5.0 Stars(1)
note Note
studied byStudied by 9 people
Updated ... ago
5.0 Stars(1)
note Note
studied byStudied by 1779 people
Updated ... ago
5.0 Stars(3)
note Note
studied byStudied by 52 people
Updated ... ago
5.0 Stars(1)
note Note
studied byStudied by 1 person
Updated ... ago
5.0 Stars(1)
note Note
studied byStudied by 80 people
Updated ... ago
5.0 Stars(1)
note Note
studied byStudied by 5511 people
Updated ... ago
4.3 Stars(23)

Explore top flashcards

flashcards Flashcard50 terms
studied byStudied by 57 people
Updated ... ago
5.0 Stars(1)
flashcards Flashcard90 terms
studied byStudied by 2 people
Updated ... ago
4.0 Stars(1)
flashcards Flashcard124 terms
studied byStudied by 20 people
Updated ... ago
5.0 Stars(1)
flashcards Flashcard36 terms
studied byStudied by 27 people
Updated ... ago
5.0 Stars(1)
flashcards Flashcard75 terms
studied byStudied by 8 people
Updated ... ago
5.0 Stars(1)
flashcards Flashcard44 terms
studied byStudied by 20 people
Updated ... ago
5.0 Stars(1)
flashcards Flashcard45 terms
studied byStudied by 48 people
Updated ... ago
5.0 Stars(3)
flashcards Flashcard48 terms
studied byStudied by 167 people
Updated ... ago
5.0 Stars(1)