Put your name on the front and on the back Put answers to questions 1 - 50 on Scan Sheet
NAME ___________________________________
LAB SECTION ____________________________
1. Greek physician who wrote a series of books dealing with medical and anatomical topics.
A. Galen
B. Hippocrates
C. Vesalius
D. Aristotle
E. Harvey
2. First to accurately describe the continuous flow of blood.
A. Harvey
B. Vesalius
C. Muller
D. Hales
E. Galvani
3. Made a discovery that has something to do with the nervous system.
A. Galvani
B. Spallanzani
C. Erlanger and Gasser
D. Two of the above are correct
E. A, B, C
4. The intracellular fluid compartment
A. Is part of the transcellular fluid
B. Is directly measured with inulin
C. Is the fluid in the soma of a neuron
D. Two of these are correct
E. None of these are correct
5. Described the cell membrane as some sort of mosaic
A. Nicholsen
B. Robertson
C. Overton
D. Thompsen
E. Davson
6. Not a function of membrane proteins
A. Receptors
B. Pumps
C. Enzymes
D. Keeps lipid soluble substance from passing through membrane.
E. None of these (All are functions of membrane proteins)
7. Which of the following does not belong?
A. CAMP
B. Regulatory protein
C. IP3 D. Phosphodiesterase
E. Protein kinase
8. Carrier facilitated diffusion
A. Requires energy
B. Is the way glucose gets into cells
C. Is the way in which Na+ concentration remains high outside the cell
D. All of these
E. Two of the above are correct
9. At equilibrium in a typical "excitable" cell
A. There is a net positive charge in the intercellular fluid compartment
B. There is a net negative charge in the intracellular fluid compartment
C. K+ leaves the cell in response to active transport
D. Two of the above are correct
E. None of the above
10. PIP2 A. Is a phospholipid
B. Is more active in the presence of caffeine
C. Is a regulatory protein
D. Is an integral protein
E. Two of the above are correct
11. A single motor unit may have several
A. Synapses
B. Telodendria
C. Neurons
D. All of these
E. Two of the above (A,B, or C) are correct
12. Connected to a Z-line
A. Titin
B. Actin
C. Myosin
D. A & B
E. All of these
13. Smooth muscle lacks
A. Myosin
B. Actin
C. Sarcoplasmic reticulum
D. All of these
E. None of these (i.e., it has them all)
14. Smooth muscle
A. Contains calmodulin
B. Has myosin-linked regulation
C. Has 3 types of myofilaments
D. All of these
E. Two of the above are correct
15. Found only in the CNS
A. Integrating circuit
B. Ependymal cells
C. Oligodendria
D. All of the above
E. Two of the above are correct
16. A somatic efferent neuron in
A. Always myelinated
B. Mulipolar
C. ACH-releasing
D. All of these
E. Two of the above are correct
17. C-fibers have the following functions
A. Afferent
B. Efferent
C. Somatic
D. All of these
E. Two of the above are correct
18. Associated with the cerebrum
A. Globis pallidus
B. Broca's area
C. Telencephalon
D. All of these
E. Two of these are correct
19. Structure of the mid-brain
A. Superior colliculi
B. Corpora quadrigemina
C. Cerebral peduncles
D. All of these
E. A & B
20. Typically associated with the PNS
A. Ganglion
B. Cauda equina
C. Cervical enlargement
D. All of these
E. A & B
21. Associated with dorsal horn
A. Posterior horn
B. Grey matter
C. Pseudo unipolar neurons
D. A & B
E. All of these
22. If the foramen (foramena) of Magendie was (were) blocked CSF would not likely be found in
A. I ventricle
B. IV ventricle
C. Central canal
D. Sub-arachnoid space
E. C & D
A = INCREASE OR GREATER THAN B = DECREASE OR LESS THAN
C = NO EFFECT OR EQUAL TO 23. Percent body water in a fat person as compared to the percent body water in a lean person.
24. Size of the intercellular fluid compartment as compared to the size of the interstitial fluid compartment.
25. Effect activating Gp on subsequent intracellular CAMP activity
26. Effect of theophylline on subsequent acetylcholinesterase activity.
27. Permeability of cell membrane to cations as compared to its permeability to anions.
28. Likelihood of a cell to undergo plasmolysis in a hypertonic environment as compared to a hypotonic
environment.
29. Permeability of a resting membrane to K+ as compared to its permeability to Na+.
30. Permeability of a membrane to K+ during repolarization as compared to its permeability to K+ at rest.
31. Effect of a sub-threshold stimulus on the magnitude of the excitability threshold.
32. Effect of increasing extracellular Ca++ concentration on the polarity of a membrane.
33. Effect of increasing intracellular K+ on the excitability of a membrane.
34. Size of G-actin as compared to the size of F-actin.
35. Amount of myoglobin in type I fibers as compared to type II b fibers.
36. Velocity of transmission of action potential in B fibers as compared to C fibers.
37. Effect of increasing a membrane's permeability to K+ on the polarity of a membrane.
38. Number of sacral spinal nerves as compared to the number of lumbar spinal nerves.
39. Number of thoracic spinal nerves with a somatic function as compared to the number with a visceral function.
40. Number of cervical spinal nerves with a GSA and a GSE function as compared to the number of cervical spinal nerves with a visceral efferent function.
A = Latency
B = Contraction
C = Relaxation
D = None of the above
Or false statement
Suppose that the above figure represents the form curve of a muscle that has been stimulated at point X via the nerve.
Match the following with the above letters.
41. __________ Myofibril shortens
42. __________ Synapsin activated
43. __________ Gs activates adenyl cyclase
44. __________ Depolarization
45. __________ T-tubules release Ca++
46. __________ Calcium bound to troponin/tropomyosin complex
47. __________ DHP receptors on sarcoplasmic reticulum are activated
48. __________ Titan releases calcium
49. __________ Light meromyosin bends in
FILL-IN
Consider the above neural circuit: Questions 50 - 53 require its use.
Suppose that action potentials in neurons X, Y and Z each subsequently alter the resting membrane potential of neuron
A by 5 m. volts. Suppose that X and Y are excitatory and that Z is inhibitory.
50. ____________________ If all three neurons are stimulated simultaneously, what would be the electrical response in neuron A (e.g. action potential). Assume an excitability threshold of 15 m. volts.
51. ____________________ Suppose that after having been stimulated by neuron Q, that an action potential in X neuron alters the resting membrane of neuron A by 8 m. volts. What is the name of this relationship between neuron Q and neuron X?
52. ____________________ The relationship between neuron A and neurons B, C and D is an example of ------
53. ____________________ If neurons X fired at a high frequency causing an action potential in neuron A, this would be an example of -----
54. ____________________ Ridges of the cerebrum.
55. ____________________ Part of the brain where osmoreceptors are located.
56. ____________________ Part of the cerebellum where the flocculondular nucleus is located.
57. ____________________ Functional part of brain that regulates emotions.
58. ____________________ Connects the III and IV ventricles.
59. ____________________ Separates the 2 cerebral hemispheres (extension of dura mater).
