Act 6 Reflex Physiology

Question 1

Rapid, predictable motor response to a STIMULUS

Answer 1

Reflex

Question 2

Types of Reflexes (2)

Answer 2

Inborn (intrinsic)

Learned (Acquired)

Question 3

Reflexes are involved with what body parts? (3)

Answer 3

Peripheral Nerves

Spinal Cord

Higher Brain Centers

Question 4

Motor responses that involve the ___ of the skeletal system are called ____

Answer 4

Striated muscles

Somatic Reflexes

Question 5

Motor responses that involve the ___ are called ____

Answer 5

Smooth muscles

Autonomic Reflexes

Question 6

Smooth muscles located in? (3)

Answer 6

Organs
Glands
Vascular System

Question 7

The Somatic system is commonly attributed with (2)

Answer 7

Voluntary responses

Directed Motor Responses

Question 8

The Autonomic system is commonly attributed with what processes? (2)

Answer 8

Involuntary responses

Non-directed responses

Question 9

Example of an EXCEPTION of the Somatic system doing involuntary reflexes

Answer 9

Salivation

Question 10

Governs the operation of reflexes

The SIMPLEST physiological explanation of how reflexive activity in the body works

Answer 10

Reflex arc

Question 11

First defined the Reflex Arc back in the 1900s

Answer 11

Charles Sherrington

Question 12

The five reflex arc components:

Answer 12

1. The receptor
2. The sensory neuron
3. The integration center
4. The Motor Neuron
5. The Effector

Question 13

1. The ____ reacts to a ____

Answer 13

Receptor

Stimulus

Question 14

2. The ____ conducts the ____ to the CNS

Answer 14

Sensory Neuron

Afferent impulses

Question 15

3. The ____ consisting of one or more ___ in the CNS

Answer 15

Integration Center

Synapses

Question 16

4. The ____ that conducts the ___ from the ____ to an ____

Answer 16

Motor Neuron

Efferent impulses

Integration Center

Effector Organ

Question 17

5. The ____, ____ or ____ that respond to the ____ by ____ or ____

Answer 17

Effector

Muscle fibers or Glands

Efferent impulses

Contracting or Secreting a product

Question 18

Liquid used for the experiment

Answer 18

10% HCL

Question 19

Thing that must be done to the frog:

Answer 19

Decerebration of the frog

Question 20

The ____ must be removed with the scissors

Answer 20

Cranium

Question 21

What happens when you dip normal frog feet in the HCl?

Answer 21

It will flex its leg

Question 22

What happens if you remove the skin?

What do you block?

How?

Answer 22

No reflex

Sensory part

Removing Receptors

Question 23

What nerve do you cut to block the motor component of the frog?

Answer 23

Sciatic nerve