BI 173 - Second Exam - 2004

MULTIPLE CHOICE. 

Place the letter of the choice that best answers the question on the line to the left. Two Points Each.
NOTE: "e" answers are never the correct answer.

 

_______ 1. The main purpose of a crop is

                      a. Food grinding                       b. Excretion                       c. Food storage
                      d. Skeletal                                             e. Whacking horse butts

 

_______ 2. Thrombocytes are associated with

                      a. Clotting                       b. Oxygen transport                       c. Carbon dioxide transport
                      d. Osmotic control                                             e. Playing musical instruments

 

_______ 3. Protonephridia are also known as

                      a. Glomeruli                       b. Flame cells                       c. Malpighian tubules
                      d. Antennal glands                       e. That term absolutely no one can remember

 

_______ 4. To produce an effect similar to insulation, a non-insulated axon must be

                      a. Long                       b. Large                       c. In sequence 
                      d. Split                                            e. Sitting on a hot plate

 

_______5. Calcification is a process involving

                      a. Chemical synapses                       b. Muscle-tendon interactions
                      c. Water absorption                         d. Invading parasites
                                            e. Drinking too much milk

 

_______6. Contractile vacuoles are closely associated with

                      a. Kidneys                       b. Fresh water                       c. Digestion
                      d. Carbon dioxide                     e. The feeling of being pinched

 

_______7. Which is an example of a cuticle?

                      a. Cow bone                                               b. Grasshopper intestinal lining
                      c. Earthworm nerve bundle sheath                d. Snail shell
                                           e. The question is, how cute is it?

 

_______8. Hydrolysis is a critical process in

                      a. Digestion                       b. Respiration                       c. Water control
                      d. Nerve function                              e. Hair removal

 

_______9. Lymphatic systems are involved in

                      a. Fluid drainage & immunity                       b. Respiration & excretion
                      c. Blood circulation & excretion                  d. Physically protecting internal organs
                                     e. Those weird gurgly noises you sometimes make

 

_______10. Serial homology is a term often associated with

                      a. Evolutionary sequences                       b. Legs
                      c. Food breakdown                                d. Processing of metabolic wastes
                               e. Things lined up on a shelf in the morning

 

_______11. What material dissolved in blood has no place in metabolic processes?

                      a. Fibrinogen                       b. Carbon dioxide
                      c. Oxygen                           d. Nitrogen
                                e. Discarded gum wrappers

 

_______12. Poikilotherms / ectotherms, compared to homeotherms / endotherms, have an advantage 
                                       associated with _____ and a disadvantage associated with ____.

                      a. Evaporation...environmental needs                       b. Enzymes...food needs
                      c. Waste removal...water balance                             d. Fuel usage...insulation
                                                                  e. Personality...looks

 

_______13. Most of the external signs of inflammation are a direct result of

                      a. Blood vessels expanding                                     b. Damaged tissues
                      c. Invading organisms                                             d. White blood cell activation
                                            e. Doing something you really shouldn’t have

 

_______14. A critical feature found usually in closed circulatory systems but not open systems is transport of

                      a. Digestion-derived nutrients                                    b. Metabolic wastes
                      c. Oxygen                                             d. Hormones                                             e. Blood?

 

_______15. Which would be the features of dissolved osmotic regulators in plasma?

                      a. Water-capturing enzymes                          b. Water-carrying minerals
                      c. Various ions                                             d. Chemically inactive proteins
                                            e. Little guys with clipboards

 

_______16. Where in an electrical synapse should the receptors be?

                      a. First cell                       b. There shouldn’t be any                       c. Second cell 
                      d. Both cells        e. It’s not good if you suspect the exam is written in a foreign language...

 

_______17. Which human organ performs segmentation?

                      a. Stomach                       b. Spinal cord                       c. Lungs
                      d. Liver                                             e. Orange peeler

 

_______18. Surface area is a critical feature of

                      a. Kidneys                       b. Gills                       c. Intestines
                      d. All of these                               e. Billboards

 

 

SHORT ANSWER. 

Pick TEN Questions to answer in the spaces provided.
NOTE: if you answer MORE than ten, only the first ten will be corrected.
Four Points each. Partial credit is possible.

1. What are two things that can be found in dermis?

 

 

2. Why, exactly, would a crocodile resting on a beach be holding its mouth open?

 

 

3. Briefly describe where and what oxygen debt is.

 

 

4. What two functions give their names to the last digestive region of a typical digestive canal?

 

 

5. What type of cell is part of a multicellular animal and gets around using ameboid movement?

 

6. The two basic requirements of respiratory surfaces -

 

 

7. The two different classes of insulation used by animals:


 

8. Why are emulsifiers important to digestive function?

 

 

9. What particular feature sets reproductive tissue apart from the other tissues?

 

 

10. What are the two basic functions of a notochord?

 

 

11. Why, exactly, do some animals require salt glands?

 

 

12. What is the advantage of a tube digestive system?

 

 

13. What are four different types of functions performed by integument?


 


14. What critical function are performed by the symbiotic bacteria in herbivores?

 

 

15. What advantage does an animal get from being an osmotic conformer?

 

 

16. The function of each end of an antibody molecule -

 

 

 

LONG ANSWER. 

Select and answer completely any four of the following questions.
NOTE: if you answer more than four, only the first four will be corrected.
Six Points Each. Partial credit is possible.

1. Give the three basic stages of nervous system processing, including the types of neurons involved.

 

 

 

 

 

 

2. For the three different animal excretory products, name the product and then give a circumstance connected to excretion of that particular product.

 

 

 

 

 

 

3. The three steps (in order) by which metabolic wastes are removed in the majority of multicelled animals -

 

 

 

 

 

 

4. Name and describe the three stages of neuron function connected to nerve impulses.

 

 

 

 

 

 

5. For one of the two types of rigid skeleton -

TYPE -

2 ADVANTAGES
OVER THE
OTHER TYPE

2 DISADVANTAGES
COMPARED TO THE
OTHER TYPE

6. For the three types of blood vessels found in closed circulatory systems, name the vessel type and then give the physical (not functional!) features that make those vessels distinct from the others.

 

 

 

 

 

 

7. Name and describe three of the basic approaches to animal feeding.

 

 

 

 

 

 

8. Show using diagrams (with labels) two different types of countercurrent exchange systems found in animals.

 

 

 

 

 

 

 

Link to Answer Key

BONUS QUESTIONS. 

Answer as many or as few as you wish. You can't lose points on the rest of the exam by getting these wrong. Partial credit is possible.

How are fish scales and reptile scales fundamentally different? Three Points.

 

 

What structure in a human uses something like a hydrostatic skeleton? Three Points.

 

 

Under what conditions do amebas appear frustrated? Three Points.

 

 

What critical feature is necessary for a long dormant period to be considered hibernation? Three Points.

 

 

Historically, a rise in allergies accompanies a decrease in what? Three Points.

 

 

Why are alligators and penguins very unlikely to evolve something that works like gills? Three Points.

 

 

The primary function of our saliva? Three Points.

 

 

Why can an animal afford to erect the blood-brain barrier? Three Points.

 

 

What general research uses squid as a model animal? Three Points.

 

 

  
     

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