Stem cells that can form all types of lymphocytes are concentrated in the:

Stem cells that can form all types of lymphocytes are concentrated in the
 A) circulation.
  B) thymus.
  C) red bone marrow.
  D) spleen.
  E) yellow marrow.

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(Question 2) Using the two-point discrimination test you can fairly accurately determine whether you have been touched with one point or two because of the density of the
 A) effectors.
  B) perception.
  C) labeled line.
  D) receptor fields.
  E) action potential.

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(Question 3) Which of the following statements about lymph flow in a node is false?
 A) Lymph enters in an afferent lymphatic.
  B) Lymph first enters the subcapsular space.
  C) Lymph flows past dendritic cells.
  D) The efferent lymphatic exits at the hilum.
  E) The afferent lymphatic enters at the hilum.

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(Question 4) Gustatory receptors are sensitive to dissolved chemicals but insensitive to light. This is due to
 A) receptor specificity.
  B) accessory cells.
  C) the fact that they are interoceptors.
  D) receptor potentials.
  E) receptor speciation.

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(Question 5) Lymphatic vessels begin in peripheral tissues and ultimately drain into
 A) veins.
  B) peripheral capillary beds.
  C) arteries.
  D) the kidneys.
  E) arterioles.

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(Question 6) The conversion of the stimulus into an action potential to be interpreted by the brain is called
 A) transformation.
  B) transduction.
  C) translation.
  D) transcription.
  E) transpotential.

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(Question 7) Dividing lymphocytes can be found in the ________ of the lymphatic nodule.
 A) sinus regions
  B) germinal center
  C) cortical layer
  D) capsular space
  E) stroma

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(Question 8) The heart muscle is a ________ effector.
 A) somatic
  B) sympathetic
  C) visceral
  D) afferent
  E) higher-order

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(Question 9) The ________ nervous system carries impulses to skeletal muscles.
 A) somatic
  B) sympathetic
  C) parasympathetic
  D) afferent
  E) autonomic

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(Question 10) The general senses
 A) involve receptors that are relatively simple in structure.
  B) are located in specialized structures called sense organs.
  C) are localized to specific areas of the body.
  D) cannot generate action potentials.
  E) include taste and smell.