Author Question: The most commonly used method for tracing efferent axons connections involves the infusion of ... (Read 16 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?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

For a complete list of videos, visit our video library