Author Question: The most commonly used method for tracing efferent axons connections involves the infusion of ... (Read 38 times)

sammy

  • Hero Member
  • *****
  • Posts: 818
The most commonly used method for tracing efferent axons connections involves the infusion of ________ into a brain region.
 
  A) fluorogold
  B) cresyl violet
  C) methylene blue
  D) PHA-L
  E) formalin

Question 2

Which of the following is a problem for the use of a microscope in the examination of brain tissue?
 
  A) A light microscope cannot resolve fine synaptic details such as synaptic vesicles.
  B) A light microscope can magnify an image up to X1500, which is sufficient to view some details such as synaptic vesicles.
  C) Beams of electrons passed through a thin brain section cast a dark shadow on photographic film.
  D) A light microscope shows better resolution than does an electron microscope.
  E) A light microscope shows three-dimensional details, which makes for a more difficult histological analysis.



apple

  • Sr. Member
  • ****
  • Posts: 352
Answer to Question 1

Answer: D

Answer to Question 2

Answer: A
Rationale: A light microscope cannot resolve fine synaptic details such as synaptic vesicles.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

For a complete list of videos, visit our video library