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20 Cards in this Set

  • Front
  • Back
All of the above
Muscle cells are found in:
The walls of blood vessels
The heart
The stomach
All of the above
Acting as a physical barrier to the movement of molecules
Forming the lining of various organs
The functions of epithelial cells include:
Acting as a physical barrier to the movement of molecules
Forming the lining of various organs
Transmitting information
Generating mechanical force
Pituitary gland
Which of the following is an example of an endocrine gland?
Pituitary gland
Sweat gland
Gall bladder
Salivary gland
All of the above are types of connective tissue
Which of the following is NOT a connective tissue?
blood
tendon
lymph
All of the above are types of connective tissue
connective
Collagen is a protein found in which type of tissue?
connective
epithelial
muscle
nerve
ICF
Most of the body's water is contained in the:
ICF
Interstitial fluid
plasma
ECF
Plasma + ISF
TBW - ICF
Extracellular fluid is equal to:

ICF + ISF
TBW - ICF
Plasma + ISF
TBW - plasma

**more than one anwser
excretion
Fluid is eliminated from the body by the process of :
filtration
excretion
secretion
reabsorption
plasma
interstitial fluid
Extracellular fluid includes:

plasma
Interstitial fluid
blood
All of the above
Negative feedback
A mechanism which "corrects" the deviation of a physiological variable from its set point is called:

Positive feedback
Error signal
Negative feedback
None of the above
Error signal
The drop in blood pressure which can occur when a person stands up too quickly is a(n):

Regulated variable
Error signal
Set point
None of the above
Sensors
The chemoreceptors in blood vessels that sense oxygen and carbon dioxide levels in the blood are:

Effectors
Sensors
Part of the integration center
Error signals
Allow a variable to change rapidly in response to a stimulus
Require a stop signal to prevent a change in a physiological variable from going out of control
Are sometimes a part of normal homeostasis
Positive feedback mechanisms:

Are not physiological
Are sometimes a part of normal homeostasis
Allow a variable to change rapidly in response to a stimulus
Require a stop signal to prevent a change in a physiological variable from going out of control
All of the above
A positive feedback mechanism is prevented from spiraling out of control by:

Limiting the system's ability to respond to the stimulus
A factor which stops the feedback loop
Removal of the stimulus
All of the above
radiation
convection
conduction
If you were standing in the snow on a cold and windy but sunny day, heat transfer between yourself and the environment could occur by:

evaporation
radiation
convection
conduction
A response to pyrogens

A resetting of the body temperature set point
A fever is:

A failure of the body's thermoregulatory system

A resetting of the body temperature set point

A response to pyrogens

A positive feedback mechanism
skin
skeletal muscle
During rest, blood flow to which of the following organs can be restricted without doing harm?

heart
skin
brain
skeletal muscle

**more than one answer**
Resting heart rate
As a result of exercise training, which of the following decreases?

Bone density
Oxygen carrying capacity of the blood
Resting heart rate
None of the above
All of the above
In heat exhaustion, which of the following homeostatic mechanisms can be affected?

Maintenance of a stable blood pressure
Maintenance of a stable blood volume
Thermoregulation
All of the above
The diameter of blood vessels in the skin

Sweat gland activity
If the body temperature rises above the set point, which of the following will increase?

Muscle contractions
The diameter of blood vessels in the skin
Sweat gland activity
All of the above

**more than one answer**