Review Questions

1. What does a single celled protozoan need?
a. energy
b. building blocks
c. ATP
d. minerals
e. all of the above

2. The cell expends a lot of its energy to maintain a charge across its membrane, it does this by actively:
a. pumping potassium out
b. pumping sodium in
c. pumping potassium in and sodium out
d. a and b only
e. none of the above

3. The body is _______% fluid.
a. 52
b.89
c.56
d.10

4. Fluid inside the cell is called?
a.blood
b.cytoplasm
c.urea
d.intracellular fluid

5._______ are organized into different functional structures and are highly dependent upon each other.
a. atoms
b. DNA strands
c. cells
d. dendrites


6. How many cells are in the human body?
a. 600 thousand
b. One million
c. Six billion
d. 100 trillion


7. What is interstitial fluid similar to?
a. plasma
b. blood
c. water
d. saliva

8. Adult stem cells can be found in all of the following locations, except:
a. bulge of hair follicle
b. brain
c. lungs
d. intestine
e. bone marrow

9. Which of the following cells has no nucleus?
a. red blood cell
b. osteoblast
c. osteocyte
d. white blood cell

10. Which of the following is false about extracellular fluids?
a. it contains glucose
b. it contains amino acids and fatty acids
c. it has larger amounts of potassium than interstitial fluid
d. it contains CO2

11. Homeostasis is like cruise control, it must have:
a. a mean for adjustment
b. a set point
c. detectors to realize it needs adjustment
d. all of the above
e. none of the above

12. I went into the bookstore and noticed that I was going to have to fork out
nearly $200 dollars for my new physiology text book. Desperate for money I
was forced to donate some plasma A LOT of plasma in order to get my new book. This plasma is a subdivision of which major compartment.
a. intracellular compartment
b. epidermal compartment
c. median-basilic compartment
d. extracellular compartment

13. I was walking in the jungle on a wild safari and as I was admiring a spider
monkey swinging from branch to branch I found my self falling into a huge
pit of quicksand. As I was sinking I was thinking about my death and
realized, like many deaths I would die because:
a. my cells need oxygen to survive
b. my cells cant get the proper nutrition from sand
c. insufficient levels of ATP
d. your cells wont die until your heart stops

14. Sweating and shivering are an example of what?
a. positive feedback
b. negative feedback
c. hormonal imbalance
d. aging

15.Glands are derived from:
a. nervous tissue
b. connective tissue
c. muscular tissue
d. epithelial tissue


16. For the Halo 3 debut the news showed footage of people rushing into the store to get their copy. They focused in on a guy that was pacing back and forth dripping in sweat anxious to get his copy. Sweat is secreted by exocrine glands. This means his sweat:
a. is produced by epithelial cells
b. is a hormone
c. is secreted into a duct
d. is produced outside the body

17. The most imediate need for a cell is?
a. glucose
b. gas exchange
c. protein
d. fatty acids