Physiology Homework #8

Name _________________

Due November 21, 2008

 

Optional for students who scored 80 points or higher on Exam IV

Required for students who scored less than 80 points on Exam IV

 

Homework assignments may cover material we have already covered or will be covering in class. Material in each Homework assignment is testable on lecture exams.

 

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Carefully read each question and its answer choices.

 

True or False/Edit. For each of the following statements, decide whether the statement is true or false. In the space provided write “T” if the statement is true or “F” if the statement is false. For statements that are false, edit (rewrite) the statement so that it now becomes true.

 

 

1.      Acquired immune deficiency syndrome (AIDS) destroys the __________ which decreases __________.

  1. B cells, humoral immunity
  2. B cells, cell mediated immunity
  3. T cells, humoral immunity
  4. T cells, cell mediated immunity

 

2.      A __________ neuron, also called a __________ neuron, transmits impulses from the CNS to a muscle.

  1. afferent, motor
  2. afferent, sensory
  3. efferent, motor
  4. efferent, sensory

 

3.      Tetrodotoxin causes an increase in action potentials.

  1. True
  2. False

 

4.      Cocaine works by blocking

  1. Acetylcholinesterase.
  2. Catechol-O-methyltransferase.
  3. Monoamine oxidase.

 

5.      You understand speech with your __________ lobe.

  1. frontal
  2. parietal
  3. temporal
  4. occipital
  5. insula

 

6.      To speak intelligibly, the concept of words originating in Broca’s area must be communicated to Wernicke’s area.

  1. True
  2. False

 

7.      Damage to the __________ produces ataxia.

  1. cerebrum
  2. brain stem
  3. cerebellum
  4. medulla oblongata
  5. hypothalamus

 

8.      Adrenergic stimulation of the circular muscle of the eye causes the pupil to dilate.

  1. True
  2. False

 

9.      The sympathetic nervous system causes

  1. a decrease in sweating.
  2. a decrease in saliva production.
  3. a decrease in glycogenolysis.
  4. a and b are correct
  5. a, b, and c are correct

 

10.  The somatic motor nervous system

  1. supplies innervation to smooth muscles.
  2. is either excitatory or inhibitory on its effector organ.
  3. has no ganglia.
  4. a and b are correct
  5. a, b, and c are correct