Question 1

Input from Ib sensory fibers​

Accepted Answer

A) inhibits the activity of alpha motor neurons. 
B) activates alpha motor neurons. 
C) contracts muscle spindles. 
D) contracts muscles. 
A) inhibits the activity of alpha motor neurons. 
B) activates alpha motor neurons. 
C) contracts muscle spindles. 
D) contracts muscles.

Question 2

Alpha motor neurons receive input from​

Accepted Answer

A) neurons in muscle spindles only. 
B) neurons in muscle spindles and Golgi tendon organs. 
C) spinal interneurons and neurons of the brainstem and motor cortex. 
D) neurons in muscle spindles and Golgi tendon organs, neurons of the brainstem and motor cortex, and spinal interneurons. 
A) neurons in muscle spindles only. 
B) neurons in muscle spindles and Golgi tendon organs. 
C) spinal interneurons and neurons of the brainstem and motor cortex. 
D) neurons in muscle spindles and Golgi tendon organs, neurons of the brainstem and motor cortex, and spinal interneurons.

Question 3

The rapid removal of your hand from a hot surface is the result of

Accepted Answer

A) reciprocal inhibition. 
B)  a monosynaptic reflex.​ 
C) an extensor reflex. 
D) a flexor reflex. 
A) reciprocal inhibition. 
B)  a monosynaptic reflex.​ 
C) an extensor reflex. 
D) a flexor reflex.

Question 4

Rey was being evaluated for a possible spinal cord injury during a college football game.The team physician stroked the sole of Rey's foot,and his toes curled.This observation suggests that​

Accepted Answer

A) Rey has a serious spinal cord injury that might affect his future mobility. 
B) Rey has a mild spinal cord injury, and with proper treatment, he should recover completely. 
C) Rey does not appear to have damaged his spinal cord, although this should be confirmed by further testing. 
D) Rey's spinal cord is probably all right, but it appears that he has sustained damage to his foot or ankle. 
A) Rey has a serious spinal cord injury that might affect his future mobility. 
B) Rey has a mild spinal cord injury, and with proper treatment, he should recover completely. 
C) Rey does not appear to have damaged his spinal cord, although this should be confirmed by further testing. 
D) Rey's spinal cord is probably all right, but it appears that he has sustained damage to his foot or ankle.

Question 5

Muscles that straighten joints are known as​

Accepted Answer

A) extensors. 
B) flexors. 
C) antagonists 
D) relaxers. 
A) extensors. 
B) flexors. 
C) antagonists 
D) relaxers.

Question 6

-Using the terms referred to in the figure as numbers 4,5,6,and 7,describe the process of muscle contraction.

Accepted Answer

Muscle contraction is a complex process

Question 7

Which of the following statements about muscle movement is true?​

Accepted Answer

A) The only thing that muscles can do is contract. 
B) A single muscle can bend a joint by contracting and straighten it by relaxing. 
C) Smooth muscles cause movement by contracting, while striated muscles cause movement by contracting and relaxing. 
D) Striated muscles cause movement by contracting, but smooth muscles cause movement by contracting and relaxing. 
A) The only thing that muscles can do is contract. 
B) A single muscle can bend a joint by contracting and straighten it by relaxing. 
C) Smooth muscles cause movement by contracting, while striated muscles cause movement by contracting and relaxing. 
D) Striated muscles cause movement by contracting, but smooth muscles cause movement by contracting and relaxing.

Question 8

Extrafusal muscle fibers​

Accepted Answer

A) are found in muscle spindles. 
B) are responsible for muscle contractions. 
C) provide feedback regarding muscle contractions. 
D) are located at the junction between a muscle and tendon 
A) are found in muscle spindles. 
B) are responsible for muscle contractions. 
C) provide feedback regarding muscle contractions. 
D) are located at the junction between a muscle and tendon

Question 9

Cases of polio may be found in

Accepted Answer

A) human beings, whales, and chimpanzees. 
B)  human beings only.​ 
C) human beings and any other primate. 
D) human beings and any animal species. 
A) human beings, whales, and chimpanzees. 
B)  human beings only.​ 
C) human beings and any other primate. 
D) human beings and any animal species.

Question 10

Golgi tendon organs are innervated by​

Accepted Answer

A) Ia sensory fibers. 
B) alpha motor neurons. 
C) gamma motor neurons. 
D) Ib fibers. 
A) Ia sensory fibers. 
B) alpha motor neurons. 
C) gamma motor neurons. 
D) Ib fibers.

Input from Ib sensory fibers

Alpha motor neurons receive input from

The rapid removal of your hand from a hot surface is the result of

Rey was being evaluated for a possible spinal cord injury during a college football game.The team physician stroked the sole of Rey's foot,and his toes curled.This observation suggests that

Muscles that straighten joints are known as

-Using the terms referred to in the figure as numbers 4,5,6,and 7,describe the process of muscle contraction.

Which of the following statements about muscle movement is true?

Extrafusal muscle fibers

Cases of polio may be found in

Golgi tendon organs are innervated by

What Is Behavioral Neuroscience

Functional Neuroanatomy and the Evolution of the Nervous System

Neurophysiology: the Structure and Functions of the Cells of the Nervous System

Psychopharmacology

Genetics and the Development of the Human Brain

Vision

Nonvisual Sensation and Perception

Homeostasis and Motivation

Sexual Behavior

Sleep and Waking

Learning and Memory

Hemispheric Asymmetry, language, and Intelligence

Emotion, reward, aggression, and Stress

Neuropsychology

Psychopathology

Filters

Exam 8: Movement

Input from Ib sensory fibers​

Alpha motor neurons receive input from​

The rapid removal of your hand from a hot surface is the result of

Rey was being evaluated for a possible spinal cord injury during a college football game.The team physician stroked the sole of Rey's foot,and his toes curled.This observation suggests that​

Muscles that straighten joints are known as​

-Using the terms referred to in the figure as numbers 4,5,6,and 7,describe the process of muscle contraction.

Which of the following statements about muscle movement is true?​

Extrafusal muscle fibers​

Cases of polio may be found in

Golgi tendon organs are innervated by​

What Is Behavioral Neuroscience

Functional Neuroanatomy and the Evolution of the Nervous System

Neurophysiology: the Structure and Functions of the Cells of the Nervous System

Psychopharmacology

Genetics and the Development of the Human Brain

Vision

Nonvisual Sensation and Perception

Homeostasis and Motivation

Sexual Behavior

Sleep and Waking

Learning and Memory

Hemispheric Asymmetry, language, and Intelligence

Emotion, reward, aggression, and Stress

Neuropsychology

Psychopathology

Filters

Input from Ib sensory fibers

Alpha motor neurons receive input from

Rey was being evaluated for a possible spinal cord injury during a college football game.The team physician stroked the sole of Rey's foot,and his toes curled.This observation suggests that

Muscles that straighten joints are known as

Which of the following statements about muscle movement is true?

Extrafusal muscle fibers

Golgi tendon organs are innervated by