Alexandra Bozan
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Anatomy & Physiology I (Lecture Exam 1: Org. of the Body, Cell Struct/Function/Dev) Quiz on Study Guide: Homeostasis, created by Alexandra Bozan on 23/01/2017.

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Alexandra Bozan
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Study Guide: Homeostasis

Question 1 of 36

1

Homeostasis can be defined as the

Select one of the following:

  • relatively constant state maintained by the body

  • overall contribution of an organ system

  • external stimuli that evoke a disruption to an organism

  • lack of cytoplasm within a plasma membrane

Explanation

Question 2 of 36

1

Which of the following is not a component of a feedback control loop?

Select one of the following:

  • sensory mechanism

  • integrating, or control, center

  • effector mechanism

  • stressor stimulator

Explanation

Question 3 of 36

1

Negative feedback control systems:

Select one of the following:

  • oppose a change

  • accelerate a change

  • ignore a change

  • none of the above

Explanation

Question 4 of 36

1

Positive feedback control systems

Select one of the following:

  • oppose a change

  • accelerate a change

  • ignore a change

  • none of the above

Explanation

Question 5 of 36

1

Select from the dropdown list to complete the text.

After food enters the stomach, ( feed-forward, negative feedback, positive feedback, extrinsic control ) occurs to increase secretions and assist with digestion in the small intestine.

Explanation

Question 6 of 36

1

Any given physiological parameter will never deviate beyond the set point.

Select one of the following:

  • True
  • False

Explanation

Question 7 of 36

1

In the thermostatically regulated furnace example of negative feedback, the furnace functions as the sensor.

Select one of the following:

  • True
  • False

Explanation

Question 8 of 36

1

Negative feedback systems are inhibitory.

Select one of the following:

  • True
  • False

Explanation

Question 9 of 36

1

The process of childbirth - in which the baby's head causes increased stretching of the reproductive tract, which in turn feeds back to the brain, thus triggering the release of oxytocin - is an example of positive feedback.

Select one of the following:

  • True
  • False

Explanation

Question 10 of 36

1

When cold weather causes the body temperature to decrease, feedback information is relayed through the nerves to the "thermostat" in a part of the brain called the thalamus.

Select one of the following:

  • True
  • False

Explanation

Question 11 of 36

1

: subjective abnormalities
: study of disease
: collection of different signs and symptoms that present a clear picture of a pathological condition
: study of factors involved in causing a disease
: objective abnormalities
: undetermined causes
: disease native to a local region
: symptoms appear suddenly and for a short period
: affects large geographic regions
: actual pattern of a disease's development

Drag and drop to complete the text.

    Symptoms
    Pathology
    Syndrome
    Etiology
    Signs
    Idiopathic
    Endemic
    Acute
    Pandemic
    Pathogenesis

Explanation

Question 12 of 36

1

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is the organized study of the underlying physiological processes associated with disease.

Explanation

Question 13 of 36

1

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Many diseases are best understood as disturbances of .

Explanation

Question 14 of 36

1

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Altered or genes can cause abnormal proteins to be made.

Explanation

Question 15 of 36

1

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An organism that lives in or on another organism to obtain its nutrients is called a .

Explanation

Question 16 of 36

1

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Abnormal tissue growths may also be referred to as .

Explanation

Question 17 of 36

1

The body's ability to continuously respond to changes in the environment and maintain consistency in the internal environment is called

Select one of the following:

  • homeostasis

  • superficial

  • structural levels

  • none of the above

Explanation

Question 18 of 36

1

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When you experience a bacterial infection, your immune system sends chemicals to signal the brain's hypothalamus to "turn up" the ( set point, effector, sensor, feed forward ) temperature, causing your body to shiver.

Explanation

Question 19 of 36

1

Which of the following is not a homeostatic control system?

Select one of the following:

  • positive feedback

  • negative feedback

  • fast forward

  • variable feedback

Explanation

Question 20 of 36

1

the hypothalamus is the body's

Select one of the following:

  • thermostat

  • transmitter

  • positive feedback control system

  • effector

Explanation

Question 21 of 36

1

A disease that is native to a local region is referred to as being

Select one of the following:

  • epidemic

  • pandemic

  • endemic

  • idiopathic

Explanation

Question 22 of 36

1

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Processes for maintaining or restoring homeostasis are known as .

Explanation

Question 23 of 36

1

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

Explanation

Question 24 of 36

1

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mechanisms operate at the tissue and organ levels.

Explanation

Question 25 of 36

1

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Tiny, primitive cells that lack nuclei and may cause infection are .

Explanation

Question 26 of 36

1

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An inherited trait that puts one at greater than normal risk for development of a specific disease is a .

Explanation

Question 27 of 36

1

If the body's homeostatic system is working properly, an increase in blood glucose will stimulate physiological reactions to cause an opposing effect or a decrease in blood glucose.

Select one of the following:

  • True
  • False

Explanation

Question 28 of 36

1

During the birth of a baby, oxytocin is released to stimulate labor. This is an example of positive feedback.

Select one of the following:

  • True
  • False

Explanation

Question 29 of 36

1

The formation of a blood clot is an example of a negative feedback.

Select one of the following:

  • True
  • False

Explanation

Question 30 of 36

1

Mechanisms that operate at the cell level are known as intracellular control mechanisms.

Select one of the following:

  • True
  • False

Explanation

Question 31 of 36

1

A secondary infection, such as pneumonia with an AIDS patient, is referred to as an opportunistic infection.

Select one of the following:

  • True
  • False

Explanation

Question 32 of 36

1

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The thermostat of the brain is the ( hypothalamus, thalamus ).

Explanation

Question 33 of 36

1

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The hormone that stimulates contractions during labor is ( oxytocin, progesterone ).

Explanation

Question 34 of 36

1

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Intrinsic control mechanisms are sometimes called ( autoregulation, circadian rhythms ) or circadian rhythms.

Explanation

Question 35 of 36

1

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( Prions, Protozoa ) are proteins that convert proteins of the cell into different proteins.

Explanation

Question 36 of 36

1

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( Young adulthood, Infancy ) is the period of greatest homeostatic efficiency.

Explanation

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