Question 1

____________________ are a type of eicosanoids that promote platelet aggregation and constrict blood vessels.

Accepted Answer

The answer of ____________________ are a type of eicosanoids that...

Question 2

Figure 4-5
Use the accompanying diagram to answer the corresponding questions.
  
-Which number in the figure represents a closed voltage-gated potassium channel?

Accepted Answer

A) ​1 
B) 2 
C) 3 
D) 4 
E) ​5 
A) ​1 
B) 2 
C) 3 
D) 4 
E) ​5

Question 3

What are the two basic forms of electrical signals?

Accepted Answer

A) ​high potentials and low potentials 
B) physical and action potentials 
C) graded potentials and action potentials 
D) graded potentials and chemical potentials 
E) ​physical potentials and chemical potentials 
A) ​high potentials and low potentials 
B) physical and action potentials 
C) graded potentials and action potentials 
D) graded potentials and chemical potentials 
E) ​physical potentials and chemical potentials

Question 4

Any flow of electrical charges is called resistance.

Accepted Answer

A) True 
 B)False

Question 5

What are the two types of synapses between neurons?

Accepted Answer

A) ​physical and chemical 
B) primary and secondary 
C) active and passive 
D) electrical and chemical 
E) ​open and closed 
A) ​physical and chemical 
B) primary and secondary 
C) active and passive 
D) electrical and chemical 
E) ​open and closed

Question 6

What is a type of paracrine that is a collection of protein signal molecules secreted by cells of the immune system,largely acting locally to regulate immune responses?

Accepted Answer

A) ​cytokines 
B) eicosanoids 
C) peptides 
D) enzymes 
E) ​white blood cells 
A) ​cytokines 
B) eicosanoids 
C) peptides 
D) enzymes 
E) ​white blood cells

Question 7

Binding of the first messenger to the receptor activates the ____________________,which is a membrane-bound intermediary.

Accepted Answer

The answer of Binding of the first messenger to the...

Question 8

A typical synaptic delay lasts for approximately ____.

Accepted Answer

A) ​0.5 to 1 millisecond 
B) 5 milliseconds 
C) 10 milliseconds 
D) 25 milliseconds 
E) ​0.5 to 1 second 
A) ​0.5 to 1 millisecond 
B) 5 milliseconds 
C) 10 milliseconds 
D) 25 milliseconds 
E) ​0.5 to 1 second

Question 9

Using Internet connectivity as an analogy,the nervous system is generally described as a(n)____________________ system.

Accepted Answer

The answer of Using Internet connectivity as an analogy,the nervous...

Question 10

Eicosanoids are modified from ____.

Accepted Answer

A) ​arachidonic acid 
B) cytokines 
C) growth factors 
D) histamine 
E) ​glucose 
A) ​arachidonic acid 
B) cytokines 
C) growth factors 
D) histamine 
E) ​glucose

Question 11

The voltage-gated sodium channel has two gates: an activation gate and an inactivation gate.

Accepted Answer

A) True 
 B)False

Question 12

The amino acid ____________________ is a primary excitatory neurotransmitter in the central nervous system.

Accepted Answer

The answer of The amino acid ____________________ is a primary...

Question 13

The strength of a stimulus is coded by the ____.​

Accepted Answer

A) ​strength of action potentials 
B) frequency of action potentials 
C) duration of the resting period 
D) duration of the refractory periods 
E) ​frequency of salutatory periods 
A) ​strength of action potentials 
B) frequency of action potentials 
C) duration of the resting period 
D) duration of the refractory periods 
E) ​frequency of salutatory periods

Question 14

Figure 4-5
Use the accompanying diagram to answer the corresponding questions.
  
-Which number in the figure represents a closed and inactivated voltage-gated sodium channel?

Accepted Answer

A) ​1 
B) 2 
C) 3 
D) 4 
E) ​5 
A) ​1 
B) 2 
C) 3 
D) 4 
E) ​5

Question 15

The endocrine system is specialized to control activities that require speed rather than duration.

Accepted Answer

A) True 
 B)False

Question 16

What class of drugs selectively blocks the reuptake of serotonin into presynaptic axon terminals?

Accepted Answer

A) ​phosphodiesterase-type 5 (PDE-5)inhibitors 
B) selective serotonin reuptake stimulators (SSRSs) 
C) phosphodiesterase-type 5 (PDE-5)stimulators 
D) selective serotonin reuptake inhibitors (SSRIs) 
E) ​phosphodiesterase-type 2 (PDE-2)inhibitors 
A) ​phosphodiesterase-type 5 (PDE-5)inhibitors 
B) selective serotonin reuptake stimulators (SSRSs) 
C) phosphodiesterase-type 5 (PDE-5)stimulators 
D) selective serotonin reuptake inhibitors (SSRIs) 
E) ​phosphodiesterase-type 2 (PDE-2)inhibitors

Question 17

What ensures the one-way propagation of an action potential away from the initial site of activation?

Accepted Answer

A) ​The refractory period 
B) The activation period 
C) The rest period 
D) The salutatory period 
E) ​The electrical period 
A) ​The refractory period 
B) The activation period 
C) The rest period 
D) The salutatory period 
E) ​The electrical period

Question 18

Voltage-gated sodium channels can exist in how many different conformations?

Accepted Answer

A) ​one 
B) two 
C) three 
D) four 
E) five 
A) ​one 
B) two 
C) three 
D) four 
E) five

Question 19

What proportion of all drugs prescribed today act on G-protein-coupled receptors?

Accepted Answer

A) ​about 1/4 
B) about 1/3 
C) about 1/2 
D) about 2/3 
E) ​about 3/4 
A) ​about 1/4 
B) about 1/3 
C) about 1/2 
D) about 2/3 
E) ​about 3/4

Question 20

____________________ potentials are local changes in membrane potential that occur in varying grades or degrees of magnitude or strength.

Accepted Answer

The answer of ____________________ potentials are local changes in membrane...

____________________ are a type of eicosanoids that promote platelet aggregation and constrict blood vessels.

Figure 4-5 Use the accompanying diagram to answer the corresponding questions. -Which number in the figure represents a closed voltage-gated potassium channel?

What are the two basic forms of electrical signals?

Any flow of electrical charges is called resistance.

What are the two types of synapses between neurons?

What is a type of paracrine that is a collection of protein signal molecules secreted by cells of the immune system,largely acting locally to regulate immune responses?

Binding of the first messenger to the receptor activates the ____________________,which is a membrane-bound intermediary.

A typical synaptic delay lasts for approximately ____.

Using Internet connectivity as an analogy,the nervous system is generally described as a(n)____________________ system.

Eicosanoids are modified from ____.

The voltage-gated sodium channel has two gates: an activation gate and an inactivation gate.

The amino acid ____________________ is a primary excitatory neurotransmitter in the central nervous system.

The strength of a stimulus is coded by the ____.

Figure 4-5 Use the accompanying diagram to answer the corresponding questions. -Which number in the figure represents a closed and inactivated voltage-gated sodium channel?

The endocrine system is specialized to control activities that require speed rather than duration.

What class of drugs selectively blocks the reuptake of serotonin into presynaptic axon terminals?

What ensures the one-way propagation of an action potential away from the initial site of activation?

Voltage-gated sodium channels can exist in how many different conformations?

What proportion of all drugs prescribed today act on G-protein-coupled receptors?

____________________ potentials are local changes in membrane potential that occur in varying grades or degrees of magnitude or strength.

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

The Central Nervous System

The Peripheral Nervous System - Afferent Division - Special Senses

The Peripheral Nervous System - Efferent Division

Muscle Physiology

Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood

Body Defenses

The Respiratory System

The Urinary System

Fluid and Acid Base Balance

The Digestive System

Energy Balance and Temperature Regulation

Principles of Endocrinology - the Central Endocrine Glands

The Peripheral Endocrine Glands

The Reproductive Systembrad

Filters

Exam 4: Principles of Neural and Hormonal Communication

____________________ are a type of eicosanoids that promote platelet aggregation and constrict blood vessels.

Figure 4-5 Use the accompanying diagram to answer the corresponding questions. -Which number in the figure represents a closed voltage-gated potassium channel?

What are the two basic forms of electrical signals?

Any flow of electrical charges is called resistance.

What are the two types of synapses between neurons?

What is a type of paracrine that is a collection of protein signal molecules secreted by cells of the immune system,largely acting locally to regulate immune responses?

Binding of the first messenger to the receptor activates the ____________________,which is a membrane-bound intermediary.

A typical synaptic delay lasts for approximately ____.

Using Internet connectivity as an analogy,the nervous system is generally described as a(n)____________________ system.

Eicosanoids are modified from ____.

The voltage-gated sodium channel has two gates: an activation gate and an inactivation gate.

The amino acid ____________________ is a primary excitatory neurotransmitter in the central nervous system.

The strength of a stimulus is coded by the ____.​

Figure 4-5 Use the accompanying diagram to answer the corresponding questions. -Which number in the figure represents a closed and inactivated voltage-gated sodium channel?

The endocrine system is specialized to control activities that require speed rather than duration.

What class of drugs selectively blocks the reuptake of serotonin into presynaptic axon terminals?

What ensures the one-way propagation of an action potential away from the initial site of activation?

Voltage-gated sodium channels can exist in how many different conformations?

What proportion of all drugs prescribed today act on G-protein-coupled receptors?

____________________ potentials are local changes in membrane potential that occur in varying grades or degrees of magnitude or strength.

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

The Central Nervous System

The Peripheral Nervous System - Afferent Division - Special Senses

The Peripheral Nervous System - Efferent Division

Muscle Physiology

Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood

Body Defenses

The Respiratory System

The Urinary System

Fluid and Acid Base Balance

The Digestive System

Energy Balance and Temperature Regulation

Principles of Endocrinology - the Central Endocrine Glands

The Peripheral Endocrine Glands

The Reproductive Systembrad

Filters

The strength of a stimulus is coded by the ____.