Biology Exam I

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1

Obesity would be categorized as a _____ disease

nutritional

2

Durring a hurricane, salft water invades fresh water marshes causing many of the plants to die. The plants are killed because the salt water solution is ____ to the plants, drawing water from their cells.

hypertonic

3

What two cavities does the diaphragm separate?

thoracic and abdominal

4

Athlete's food is -

a fungal infection

5

Keratinized epithelium -

is a dry, mostly dead membrane

6

Often when a person is admitted to the hospital, an intravenous solution of normal saline is begun. Since this does not harm the patient, what is the tonicity of normal saline compared to your blood?

isotonic

7

Fat is a type of connective tissue.

true

8

The term ___ refers to poisoning due to pathogens.

sepsis

9

A bond created from the sharing of electrons between two atoms is a ____ bond.

covalent

10

Glands that release their product via ducts rather than directly into the bloodstream are -

exocrine

11

The epidermis only is damaged from a -

first-degree burn

12

When cancer cells have the ability to migrate to other parts of the body, they are said to be -

metastatic

13

When a physician tells the patient that they have a torn rotators cuff they are describing a ____ to the patient.

diagnosis

14

The specialized cells in the nervous system that serve to conduct a signal are known as -

neurons

15

What is NOT a type of connective tissue?

neuroglia

16

What molecules are the primary energy carrier in cells?

ATP

17

What type of tissue cover body surfaces and lines body cavities?

epithelial tissue

18

Substances dissolved in the liquid portion of a solution are called -

solutes

19

A systemic infection is localized.

false

20

A solution consists of a _____ which dissolves the ____.

solvent, solute

21

In turning a page, you would mainly be using what type of tissue?

skeletal muscle

22

Which of the following is mismatched to its location in the skin?

  1. sense organs - dermis
  2. keratinization - epidermis
  3. nerves/blood vessels - epidermis
  4. fat - subcutaneous layer
  5. hair follicle - dermis

nerves/blood vessels - epidermis

23

What occurs as a result of positive feedbacks and assists in the maintenance of homeostasis?

blood clot formation

24

What cut will give front and back portions?

frontal or coronal

25

Which layer of the skin is responsible for tanning?

epidermis

26

Which type of gland can become blocked and form a "blackhead"?

sebaceous

27

The study of how disease or injury alter physiological process is termed.

pathophysiology

28

Order of increasing complexity of the body -

  1. cells
  2. tissues
  3. organs
  4. organ systems
  5. organism
29

Describe the placement of the nose -

  • medial to the eyes
  • superior to the mouth
  • inferior to the forehead
30

All the chemical reactions in which larger molecules are broken down to smaller ones are called catabolic reactions.

true

31

What type of skin gland secretes sweat?

sudoriferous gland

32

What term refers to the study of how an organ functions?

physiology

33

The main body compartment that is inside cells is the __ compartment.

intracellular

34

The pH of a solution -

is a measure of the concentration of free hydrogen ions in the solution

35

A disease that occurs suddenly and does not last a long time is considered.

Acute

36

The sum of all the chemical reactions that occur in a cell is -

metabolism

37

What is not a primary tissue of the body -

osseous

38

Define homeostasis -

cells and organism must be able to maintain a fairly constant internal environment

39

What is the main function of the ribosomes in a cell?

to synthesize proteins

40

If a patient tells a physician that they feel tingling down the left arm they may be describing a _______ of a heart attack.

symptom

41

Chemicals that help keep fluids within a normal pH range are called -

buffers

42

The movement of water across the semi-permeable membrane is called -

osmosis

43

The organelle involved in the production of energy is the -

mitochondrion

44

A molecule is -

a combination of atoms held together by chemical bonds

45

Epithelial tissue will bleed profusely when cut.

false

46

______ RNA has the function of bringing amino acids to the ribosome during translation.

Transfer

47

Which structure produces "goose bumps"?

arrector pili muscles

48

_______ attach skeletal muscles to bones.

Tendons

49

A substance that can take up hydrogen ions or release hydroxide ions in water is a -

base

50

A ligament connects -

bone to bone

51

Diffusion is the movement of a molecule from an area of high to low concentrate.

true

52

A disease is called an epidemic if people all over the world have the same disease.

false

53

What is the term for the DNA and proteins found within the cell?

chromatin

54

Active transport -

utilizes energy

55

An abnormal growth of cells is referred to as a _____.

neoplasm

56

The ______ layer of the skin contains sweat glands, hair follicles, and sebaceous glands.

dermal

57

The lower the pH -

the more acidic the solution.

58

The dermal papillae, found in the hypodermis, create the unique fingerprints of individuals.

false

59

For heart muscles to beat in coordinated rhythm ions must move from one cells to the next through ____.

gap junctions

60

If an organism does not undergo meiosis, then it cannot undergo sexual reproduction.

true