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BIO 251 A&P > EXAM 1 > Flashcards

EXAM 1 Flashcards

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Biology 101 flashcards
1
Q

maintaining a range of normal internal environment is ___

A

homeostasis

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2
Q

the state of steady internal physical chemical conditions maintained by living system

A

homeostasis

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3
Q

the purpose of homeostasis is to maintain the established internal environment without being over overcome by external stimuli

A

homeostasis

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4
Q

Anatomical Plans: MEDIAN

A

A vertical plane passing through hotdog style through the body dividing the body into left and right. (transverse)

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5
Q

Anatomical Plans: SAGITTAL

A

A vertical line passing through the body parellel to the median plane

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6
Q

Anatomical Plans: coronal

A

a vertical plane passing though the body dividing anterior and posterior

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7
Q

Anatomical Plans: Horizontal

A

a plane that divides the upper and lower half of body

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8
Q

Directional Terms

A

describe the positions of structures relative to other structures or locations in the body

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9
Q

prone

A

upside down nose to floor

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10
Q

supline

A

upward facing looking into sky (could hole a bowl of soup

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11
Q

Lateral view is

A

sideways/shoulder first

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12
Q

anterior view

A

forward facing

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13
Q

What are the léveles of biological organisms?

A
  1. Cells
  2. Tissue
  3. Organ
  4. System
  5. Organism
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14
Q

What is an atom?

A

Smallest stable unit of matter // basic building block of chem

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15
Q

Atoms are made up of ?

A

Subatomic particles

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16
Q

What are subatomic particles?

A

Protons
Neutrons
Electrons

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17
Q

What is an atomic number ?

A

Simply the number of protons in the giving element // the little number on top of the chem

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18
Q

What is the mass number?

A

Is the number of protons and neutrons on an atom// the larger number under the element

19
Q

What is a buffer?

A

Minimizes changed in the pH label by preventing significant pH changes

20
Q

Buffer is

A

A solution that can resist pH change upon the addition of an acidic or basic components

21
Q

What are the functions of enzymes?

A

Lower the energy of activation
Increase energy activation
Catalytic activity
Stores energy

22
Q

Respiratory acidosis

A

Is a condition that occurs when the lungs can’t remove enough carbon dioxide from the body causing the blood to become acidic and the pH to feline

23
Q

what are 5 Macromolecules ?

A

Carbohydrates
Proteína
Lipids
Nuclei acids
Fibers

24
Q

Carbohydrates consist of

A

Carbon C
Oxygen C
Hydrogen H

25
Q

Carbohydrates//Carbs are

A

Sugar molecules

26
Q

Chargaffs rules states

A

DNA there is always equality in quantity between the bases A and T and between G and C

27
Q

Cranial Cavity

A

Houses and protects main components of the central nervous system

28
Q

Prokaryotic // eukaryotic

A

Cells

29
Q

Hematological system

A

The system of the body responsible for the prediction of all the blood cell lines

30
Q

Cell death

A

Ischemia
Hypoxemia
Infarction
Necrosis
Gangrene

31
Q

What are monomers // carbohydrates

A

Glucose

32
Q

What are monomers // proteins

A

Amino acids

33
Q

What are monomers // lipids

A

Triglycerides

34
Q

What are monomers // nuclearice acids

A

Nucleotides

35
Q

What are monomers // fibers

A

Cellulose

36
Q

Describe the metabolic pathway by which the body regulates glucose or calcium levels in the blood. Ensure that the homeostatic mechanism (positive or negative feedback) is specified

A

Glucose may be converted to fats and fats to glucose glucose is used to convert to fatty acids here through the APT response it turns fat to energy using the negative energy response

37
Q

Dorsal

A

Back

38
Q

Ventral

A

Front

39
Q

What is an acid?

A

Gives off hydrogen ions in water and forms salts by combining with certain metals

40
Q

What is PH?

A

The measure of how acidic or basic a substance or solution is.

41
Q

What are 5 functions of lipids?

A

Storing and providing energy
Chemical messengers
Cholesterol formation
Regulating body temp
Prostaglandin and it’s role in inflammation
Membrane lipid layer of formation

42
Q

What is a paratenium ?

A

A membrane that lines the abdominal cavity

43
Q

What is a lesser partenium?

A

The potential spec the exist within the abdomen between the stomach and pancreas

BIO 251 A&P (3 decks)

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