Intro

Question 1

internal environment, aka its ability to RESIST CHANGE.

Answer 1

Homeostasis (Primary negative feedback)

Question 2

Homeostasis
Temperature regulation and removal of waste examples

Answer 2

Sweating
Flushing
Shivering
Convection

Lungs (CO2)
Kidneys
GI Tract
Liver

Question 3

The degree to which a control system maintains homeostasis

Answer 3

gain control

Question 4

Which of the following statements is false?
A. The hypothalamus is the main organ that regulates homeostasis.
B. The body can correct a substrate (blood glucose for example) back to its original value.
C. The body cannot deviate too far from a certain point. Some errors beyond a certain point are not correctable (a blood glucose of 20g/dL for example)

Answer 4

B

Question 5

Negative feedback examples

Answer 5

Control of body temperature
BG control (insulin & glucagon)
Respiratory (CO2)
Endocrine hormones

Question 6

Positive feedback examples

Answer 6

Contractions (Oxytocin)
Blood clotting (platelets)

Question 7

The anterior pituitary is stimulated to produce TSH, which in turn produces T3 and T4. T3 and T4 acts on TSH to stop production when it’s levels exceed a certain amount.

Which type of feedback mechanism best describes this?

Answer 7

Negative

Question 8

Acid-Base or Blood pH is

Answer 8

7.4 normally

Question 9

Inside of cell concentrations (higher):

Answer 9

K
Mg
PO4-

Question 10

oxygen normal value

Answer 10

100

Question 11

CO2 normal value

Answer 11

40

Question 12

glucose normal value

Answer 12

85

Question 13

normal body temp

Answer 13

37 C or 98.4 F

Question 14

Squamous epithelial tissue examples and description

Answer 14

lining of blood and lymph vessels, alveoli, flat

Question 15

Cuboidal epithelial tissue examples

Answer 15

glands, terminal bronchioles of lungs, kidney tubules

Question 16

Columnar epithelial tissue examples

Answer 16

uterus, stomach, intestines, gallbladder, bile ducts

Question 17

What makes up muscle tissues?
Skeletal:
Cardiac:
Smooth:

Answer 17

Muscle: Sarcomeres, myosin, actin
Skeletal: Striated voluntary
Cardiac: Striated involuntary
Smooth: Non-striated & involuntary

Question 18

Connective tissue:
Collagen:
Elastin:
Ground substance:
Fluid:

Answer 18

Collagen: strong, flexible, inelastic
Elastin: Rubbery, think coiled spring
Ground substance: proteoglycans
Fluid: Blood or plasma

Question 19

Nervous tissue function and parts

Answer 19

Conduction of APs
Cell body
Dendrites
Axon
Neuroglia: Supportive cells of the NS

Question 20

Most cells are made up of ____%______

Answer 20

70-85% Water

Question 21

Fat cells made up of

Answer 21

triglycerides

Question 22

Cell membrane consists of? and is it soluble in water?

Answer 22

phospholipids and cholesterol. Insoluble in water

Question 23

Extracellular fluid represents ___ of all fluid in the body.

Answer 23

1/3

Question 24

Large particles such as WBCs can enter the cell through which process?
Pinocytosis
Phagocytosis
Both

Answer 24

Phagocytosis

Question 25

Integral Proteins are:
and where?

Answer 25

THROUGH the membrane
Channels
Carriers
Enzymes
Receptors

Question 26

Peripheral Proteins are:
and where?

Answer 26

SURFACE, often ATTACHED to integrals
Enzymes
Transport controllers

Question 27

Pinocytosis is for:

Answer 27

Drinking & PROTEINS

Question 28

Glycolysis:

Answer 28

1 Glycogen makes
2 ATP
2 Pyruvate
2 NADH
2 H20

Question 29

Krebs/Citric Acid Cycle:

Answer 29

2 Pyruvate makes
2 ATP
2 CoA
2 OH
6 CO2
NADH
FADH

Question 30

Beta oxidation:

Answer 30

1 triacylglycerol + 1 glucose makes…
19 ATP via glycolysis + citric acid (1 glycerol)
441 ATP via B-oxidation + citric acid (3 FAs)
460 ATP total