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1. 
Mention the 4 cell types
2. 
What is epithel cells
A.
Tissue cells
B.
Cells between bodily fluids
C.
Skin cells
D.
Lung cells
E.
Fat cells
F.
Bone cells
3. 
What is connective tissue cells?
A.
Cells for physical support
B.
Skin cells
C.
Blood cells
D.
Blood vessel cells
E.
Fat cells
F.
Bone cells
4. 
Which tissue is collagen and elastin found in?
A.
Connective tissue
B.
Epithelial tissue
C.
Muscles
D.
Neurons
5. 
Hormones are secreted
A.
From exocrine glands
B.
From endocrine glands
C.
Into the blood
D.
Into a tube to the extracellular enviroment
6. 
What is the function of surfacants in lung airways?
A.
To make gas diffusion easier
B.
To protect against pathogens
C.
To prevent water attraction
D.
None of the others
7. 
Which of these are fibrous proteins
A.
Collagen (from tendons and hair)
B.
Tropomyosin (from muscles)
C.
Insulin
D.
Myoglobin
E.
Na/K pump
F.
Myosin
8. 
Mention the structures of a typical animal cell
9. 
What is transported by carrier proteins?
A.
Glucose
B.
Amino acids
C.
Ions
D.
water
10. 
What are the three types of cell-to-cell adherses?
11. 
Which substances can travel over membranes (wihhout help) by simple diffusion?
A.
Ions
B.
Water
C.
Steroids
D.
O2 and CO2
E.
Thyroid hormones
F.
K+
12. 
Which of the following factors doesnn't affect passive transport of molecules across membranes?
A.
Magnitude of driving forces
B.
Surface area of the membrane
C.
Permability of the membrane
D.
Production of ATP
13. 
In a normal cell such as epithellial cells at -70 mV, which is correct?
A.
The electrochemical gradient or Na+ tries to move it into the cell
B.
The electrochemical gradient for K+ tries to move it into the cell
C.
Na + and K+ is at equilibrium
D.
None is correct
14. 
When the memrbane potential is equal to the equilibrium potential of Na+ (+60 mV), which is correct?
A.
Na+ moves into the cell down its electrochemical gradient
B.
Na+ moves out of the cell down its electrochemical gradient
C.
The net flux of Na+ is zero because it is at equilibrium
D.
Na+ doesn't move across the membrane because it is at equilibrium
15. 
The osmotic pressure og a solution depends on
A.
The concentrations of all solute particles contained in it
B.
The concentrations of all permeant solute particles contained in it
C.
The concentrations of all impermeant solute particles contained in it
D.
The pressure exerted on the solution by the atmosphere
E.
The volume of water in which the solute particles are dissolved
16. 
Movement of Na+ in sodium-linked glucoe transport, in sodium proton exchange and via the sodium-potassium pump are all examples of
A.
Primary active transport
B.
Passive transport
C.
Mediated transport
D.
Simple diffusion
17. 
What do active transporters and carriers have in common
A.
They both transport up a electrochemical gradient
B.
They both transport down a electrochemical gradient
C.
The both utilize ATP to transport molecules
D.
They both are specific for certain molecules
18. 
Which of these functions to bring a specific extracellular substance into the cell?
A.
Receptor mediated endocytosis
B.
Pinocytosis
C.
Phagocytosis
D.
Diffusion
19. 
Which is true about the Na+/K+ pump?
A.
It transports 3 Na+ and 2 K+
B.
It transports 3 K+ and 2 Na+
C.
It is an ATPase
D.
It is a channel