Recent Lessons

Show all results for ""

Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Quizzes

Create quizzes and tests automatically from your content using AI.

Flashcards

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

Mobile Apps

The smarter way to study – wherever you are.

Pricing

Search...

Cross-sectional Anatomy of Spinal Cord: Gray Matter Description

10 Questions

5 Views

Cross-sectional Anatomy of Spinal Cord: Gray Matter Description

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which part of the nervous system responds to stimuli from the external or internal environment?

Efferent Division

Motor Neurons

Afferent Division (correct)

Interneurons

What is the term for the process by which a stimulus is converted into an electrical signal in a sensory receptor?

Signal conversion

Permeability alteration

Neurotransmission

Receptor potential (correct)

How is stimulus intensity (strength) distinguished in the coding of sensory stimuli?

By the size of the effector response

By the frequency of action potentials generated (correct)

By the color of the stimulus

By the temperature of the stimulus

What causes the opening of voltage-gated Na+ channels leading to an action potential?

Stronger stimulus triggering larger receptor potential Signup and view all the answers

What is the role of interneurons in the activation of motor neurons?

Stimulate motor neurons that carry action potentials to periphery Signup and view all the answers

Which of the following is NOT a function of the dorsal horns of the gray matter in the spinal cord?

Transmitting efferent motor signals to skeletal muscles Signup and view all the answers

Which of the following statements about the lateral horns of the gray matter is INCORRECT?

They are found throughout the entire length of the spinal cord Signup and view all the answers

Which of the following statements about the white matter of the spinal cord is CORRECT?

It is grouped into three columns on each side of the spinal cord Signup and view all the answers

Which of the following statements about the ascending tracts in the spinal cord is INCORRECT?

They relay messages from the brain to the spinal cord Signup and view all the answers

Which of the following is NOT a component of a reflex arc?

Effector organ (muscle or gland) Signup and view all the answers