Human Anatomy and Physiology II

Exam 2, Version 7 - March 13, 1998

Dr. Chabot


Multiple Choice (@2 points): Circle the letter of the one best answer. GOOD LUCK!

Answer only 30 out of 33! The first 30 answered will be graded.


1. Which of the following cranial nerves is the auditory nerve?




D. X


2. Generally speaking, the parasympathetic nervous system is involved with

A. the maintenance of homeostasis

B. "fight, fright, or flight" reactions

C. the same activities as is the sympathetic nervous system

D. none of the above


3. By approximately what prenatal day will you find the neural tube?

A. 9

B. 19

C. 29

D. 39


4. When considering motor movements, the medial cerebellum is involved in:

A. the initiation of movements

B. the constant updating of simple motor programs

C. directly stimulating spinal motor neurons

D. the storage of simple motor programs


5. When the entire parasympathetic nervous system is stimulated

A. sweat secretion increases and pupil diameter decreases

B. sweat secretion decreases and pupil diameter decreases

C. sweat secretion increases and pupil diameter increases

D. none of the above


6. Which of the following is not found yet in the developing prenatal brain by day 34?

A. mesencephalon

B. basal ganglia

C. diencephalon

D. telencephalon


7. The telencephalon becomes the

A. cortex

B. cerebellum

C. midbrain

D. medulla oblongata


8. The _________ is part of the visual system

A. amygdala

B. basal ganglia

C. superior colliculus

D. association cortex

E. all of the above


9. Which of the following would not be controlled or regulated by the hypothalamus?

A. body temperature

B. long-term memory

C. hunger

D. water or ion balance


10. When thinking about the parasympathetic and the sympathetic nervous system:

A. Only one is involuntary

B. Only one usually innervates a given organ

C. Only one acts independently of association cortex and continuously

D. none of the above


11. Which of the following is thought to contribute most to memory formation?

A. long term storage of action potentials

B. new synapse formation

C. formation of new nuclei in the brain

D. none of the above


12. The hypothalamus includes which of the following?

A. the SCN

B. food areas

C. thirst areas

D. all of these


13. Neurons have different nutritional requirements than other cells in that they

A. require glucose as a source for producing ATP

B. require O2 for the breakdown of glucose

C. must aerobically respire

D. all of the above

E. none of the above


14. In the crossed extensor reflex initiated on the left side, the motor neurons of the right biceps will:

A. not be affected

B. be stimulated by excitatory neurons

C. be inhibited by inhibitory neurons

D. be inhibited by neurons of the medulla oblongata


15. Which of the following nerves would carry information to the wrist flexor muscles?

A. axillary

B. ulnar

C. median

D. radial


16. The occipital lobes of the cerebral cortex is associated with:

A. "higher thought"

B. vision

C. hearing

D. none of the above


17. If after a flight to Europe, you needed to readjust to the new time zone, you might want to (if you were able) to stimulate the __ .

A. the hypothalamus

B. the basal ganglia

C. the association cortex

D. the reticular formation


18. Sensory information about body position and movements first travels to the

A. motor cortex

B. sensory cortex

C. thalamus

D. all of the above


19. Which of the following cranial nerves does not carry motor information that helps to move the eyes?

A. Cranial nerve III

B. Cranial nerve IV

C. Cranial nerve V

D. Cranial nerve VI


20. The layer of meninges that is firmly adhered to the external surface of the brain is called the:

A. arachnoid

B. pia mater

C. choroid plexus

D. dura mater


21. In the book "The Man Who Mistook his Wife for a Hat" there is a story of a man who was brain-damaged in the 1940’s and could not remember anything past that time. What part of his brain was damaged?

A. medial geniculate

B. thalamus

C. hippocampus

D. visual association cortex


22. When undergoing voluntary motor movements

A. all muscle fibers in a muscle are recruited at the same time

B. SO fibers are usually recruited first

C. FG fibers are usually recruited first

D. FOG fibers are usually recruited first


23. The auditory nerve carries neural information regarding:

A. vision

B. hearing

C. the pharynx

D. control of heart rate


24. Masses of myelinated axons appear _____ in a fresh spinal cord or brain.

A. white

B. gray

C. brown

D. transparent


25. Which of the following are descending tracts in the spinal cord?

A. the cerebrospinal

B. the rubrospinal

C. the corticospinal

D. none of these


26. The withdrawel reflex involves:

A. a sensory neuron

B. an interneuron

C. a motor neuron

D. A and C only

E. all of the above


27. Cerebrospinal fluid functions to:

A. provide most of the O2 to the brain that it needs

B. provide most of the glucose to the brain that it needs

C. "buoy" the brain to protect against injury

D. all of the above


28. The organ that is responsible for our sense of balance is the

A. outer ear

B. vestibular body

C. middle ear

D. none of the above


29. Which of the following would be more likely to carry action potentials to muscles involved in quick forceful contractions?

A. A fibers

B. B fibers

C. C fibers

D. D fibers


30. Increased activation of the sympathetic nervous system on the heart and the lungs would:

A. increase heart rate and dilate the bronchioles respectively

B. increase heart rate and constrict the bronchioles respectively

C. decrease heart rate and dilate the bronchioles respectively

D. decrease heart rate and constrict the bronchioles respectively


31. The sense of touch is translated by a part of the brain known as the:

A. frontal lobes

B. motor cortex

C. somatosensory cortex

D. occipital cortex


32. The putamen of the basal ganglia is involved in:

A. planning motor movements

B. executing motor movements

C. processing sensory information

D. updating simple motor programs which are stored in the cortex


33. The medulla oblongata serves all the following functions except:

A. regulates respiratory functions

B. regulates heart rate

C. regulates liver functions

D. regulates the diameter of arterioles



FILL-INS (@2 points):

Complete the following sentences with the most appropriate (one) word.

Choose 10 out of 12 only.


1. The __________ receives sensory input and helps to adjust body movements based on that input.


2. The area of the body that is served by one spinal nerve is called a __________________.


3. The ___________ nerve carries sensory information from the nose to the CNS.


4. The ___________ system is involved in mediating emotional responses such as fear or anger.


FILL-INS (cont.):


5. The _____________ is a part of the brain that seems to filter out extaneous sensory stimuli.


6. The planning stage of initiating a motor movement takes place in the _______________ cortex.


7. EEGs that would be seen in an awake and active adult would be ________ ______.


8. The __________________ division of the autonomic nervous system functions mainly to react quickly to potentially dangerous situations.


9. A spinal motor neuron and its muscle fibers together are called a ________ _____________.


10. The "funny looking" person that can be mapped out onto the motor cortex and which describes what the motor cortex neurons under the map do is called a ____________________.


11. The name of the railway worker who had a steel rod blown through his brain and suffered "only" personality problems after is ______________.


12. In the story "Eyes Right", the patient described by Oliver Sacks has a tumor in her ____________.




Essay/Short Answer (@ 10 pts). Answer only 2 of the following 3. The first 2 answered will be graded.


1) As you know, the autonomic nervous system is controlled by several parts of the brain. List at least two (2) of these "parts" and describe at least three (3) functions associated with each "part".


2) Draw and label a cross section of the spinal cord.


























3) Draw and label the different parts of the cerebral cortex.