Author Question: The most commonly used method for tracing efferent axons connections involves the infusion of ... (Read 15 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?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

For a complete list of videos, visit our video library