Question 1

Epidemiology is the study of the ______ of diseases in human popularion

Accepted Answer

All of the above
Answer- Occurance, distribution, transmission

Question 2

Of the 11 major body systems, which is the least involved in maintaining homeostasis?

Accepted Answer

reproductive
other options- Circulatory, Endocrine, Lymphatic

Question 3

Of the pathogenic organisms, which of the following are the most complex?

Accepted Answer

Tapeworms
Other options- Viruses, Bacteria, Protozoa

Question 4

Homeostasis can best be described as

Accepted Answer

A state of relative constancy

Question 5

Shivering to try to raise your body temperature back to normal would be an example of

Accepted Answer

Both A and C
Options-A: the body trying to maintain homeostasis, B: a positive feedback mechanism, C: a negative feedback mechanism

Question 6

Which of the following is not one the basic components in a feedback control loop

Accepted Answer

Transmitter
other options-  effector mechanism, Sensor, Integrating center

Question 7

Pathogenesis can be defined as

Accepted Answer

The course of disease development

Question 8

Which of the following is a protein substance with no DNA or RNA and is thought to be the cause of mad cow disease

Accepted Answer

Prion

Question 9

Which of the following may put one at risk for developing a given disease

Accepted Answer

All of the above
Options- Environment, stress, lifestyle

Question 10

The bodys thermostat is located in the

Accepted Answer

hypothalamus

Question 11

Intrinsic control

Accepted Answer

is sometimes called "autoregulation"

Question 12

Negative-feedback mechanisms

Accepted Answer

All of the above
options- minimize changes in blood glucose levels, maintain homeostasis, are responsible for an increased rate of sweating when air temperature is higher than body temperature

Question 13

of the 11 major body systems, which is the least involved in maintaining homeostasis

Accepted Answer

Reproductive
other options- Circulatory, endocrine, lymphatic

Question 14

Intrcellular parasites that consist of DNA or RNA surrounded by a protein coat and sometimes by a lipoprotein envelope  are called

Accepted Answer

viruses

Question 15

The term that literally means self-immunity is

Accepted Answer

autoimmunity

Question 16

The contraction of the uterus during the birth of a baby is an example of _________ feedback

Accepted Answer

Positive

Question 17

Negative feedback control systems

Accepted Answer

oppose a change

Question 18

If the secretion of oxytocin during childbirth as a negative feedback control loop, what would it have on uterine contractions

Accepted Answer

Oxytocin would inhibit uterine contractions

Question 19

Positive-feedback control systems

Accepted Answer

accelerate a change

Question 20

The normal reading or range of normal is called the

Accepted Answer

set point

Question 21

The body naturally changes some set points to different values at different times of the day. These daily cycles are called:

Accepted Answer

Circadian cycles

Question 22

What term describes a signal traveling towards a particular center or point of reference?

Accepted Answer

Afferent

Question 23

Which of the following is a basic component of every feedback control loop?

Accepted Answer

All of the above
other options- sensor mechanism, integrating center, effector, feedback

Question 24

Events that lead to an immune response to an infection or the formation of a blood clot are examples of

Accepted Answer

Positive feedback

Question 25

Which level of control operates at the cell level, often using genes and enzymes to regulate cell function

Accepted Answer

intracellular regulation

Question 26

Effectors can be descrived as

Accepted Answer

Organs that directly influence controlled physiological variables

Question 27

Beacause negative-feedback  control systems oppose  changes that are opposite in direction to the initial disturbance, they are

Accepted Answer

slowed or maintained in the homeostatic range

Question 28

Local control or ________ , intrinsic mechanisms often make use of chemical signals

Accepted Answer

Autoregulation

Question 29

The relatively constant state maintained by the body is knows as

Accepted Answer

Homeostasis

Question 30

The concept that information may flow ahead to another process to trigger a change in anticipation of an event that will follow is called

Accepted Answer

feed-forward

Question 31

Processes for maintaining or restoring homeostasis are known as

Accepted Answer

Homeastatic control mechanisms

Question 32

Many complex processes of the body are coordinated at many levels. These include

Accepted Answer

all of the above
options- intracellular, intrinsic, extrinsic

Question 33

To accomplish self-regulation, a highly complex and integrated  communication control system or network is required. This type of network is called a(n)

Accepted Answer

feed-back control loop

Question 34

The impact of effector activity on sensors may be positive or negative. Therefore, homeostatic control mechanisms are categorized as

Accepted Answer

Organs that are directly influenced by physiological variables or mechanisms

Question 35

Extrinsic control usually involves  which mode of regulation?

Accepted Answer

Both A and C
Options- nervous, integration

Physiology

Midterm weeks 1-6

Question	Answer
Epidemiology is the study of the ______ of diseases in human popularion	All of the above Answer- Occurance, distribution, transmission
Of the 11 major body systems, which is the least involved in maintaining homeostasis?	reproductive other options- Circulatory, Endocrine, Lymphatic
Of the pathogenic organisms, which of the following are the most complex?	Tapeworms Other options- Viruses, Bacteria, Protozoa
Homeostasis can best be described as	A state of relative constancy
Shivering to try to raise your body temperature back to normal would be an example of	Both A and C Options-A: the body trying to maintain homeostasis, B: a positive feedback mechanism, C: a negative feedback mechanism
Which of the following is not one the basic components in a feedback control loop	Transmitter other options- effector mechanism, Sensor, Integrating center
Pathogenesis can be defined as	The course of disease development
Which of the following is a protein substance with no DNA or RNA and is thought to be the cause of mad cow disease	Prion
Which of the following may put one at risk for developing a given disease	All of the above Options- Environment, stress, lifestyle
The bodys thermostat is located in the	hypothalamus
Intrinsic control	is sometimes called "autoregulation"
Negative-feedback mechanisms	All of the above options- minimize changes in blood glucose levels, maintain homeostasis, are responsible for an increased rate of sweating when air temperature is higher than body temperature
of the 11 major body systems, which is the least involved in maintaining homeostasis	Reproductive other options- Circulatory, endocrine, lymphatic
Intrcellular parasites that consist of DNA or RNA surrounded by a protein coat and sometimes by a lipoprotein envelope are called	viruses
The term that literally means self-immunity is	autoimmunity
The contraction of the uterus during the birth of a baby is an example of _________ feedback	Positive
Negative feedback control systems	oppose a change
If the secretion of oxytocin during childbirth as a negative feedback control loop, what would it have on uterine contractions	Oxytocin would inhibit uterine contractions
Positive-feedback control systems	accelerate a change
The normal reading or range of normal is called the	set point
The body naturally changes some set points to different values at different times of the day. These daily cycles are called:	Circadian cycles
What term describes a signal traveling towards a particular center or point of reference?	Afferent
Which of the following is a basic component of every feedback control loop?	All of the above other options- sensor mechanism, integrating center, effector, feedback
Events that lead to an immune response to an infection or the formation of a blood clot are examples of	Positive feedback
Which level of control operates at the cell level, often using genes and enzymes to regulate cell function	intracellular regulation
Effectors can be descrived as	Organs that directly influence controlled physiological variables
Beacause negative-feedback control systems oppose changes that are opposite in direction to the initial disturbance, they are	slowed or maintained in the homeostatic range
Local control or ________ , intrinsic mechanisms often make use of chemical signals	Autoregulation
The relatively constant state maintained by the body is knows as	Homeostasis
The concept that information may flow ahead to another process to trigger a change in anticipation of an event that will follow is called	feed-forward
Processes for maintaining or restoring homeostasis are known as	Homeastatic control mechanisms
Many complex processes of the body are coordinated at many levels. These include	all of the above options- intracellular, intrinsic, extrinsic
To accomplish self-regulation, a highly complex and integrated communication control system or network is required. This type of network is called a(n)	feed-back control loop
The impact of effector activity on sensors may be positive or negative. Therefore, homeostatic control mechanisms are categorized as	Organs that are directly influenced by physiological variables or mechanisms
Extrinsic control usually involves which mode of regulation?	Both A and C Options- nervous, integration

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