Study Guide: Homeostasis

Descrição

Anatomy & Physiology I (Lecture Exam 1: Org. of the Body, Cell Struct/Function/Dev) Quiz sobre Study Guide: Homeostasis, criado por Alexandra Bozan em 23-01-2017.
Alexandra Bozan
Quiz por Alexandra Bozan, atualizado more than 1 year ago
Alexandra Bozan
Criado por Alexandra Bozan quase 8 anos atrás
62
1

Resumo de Recurso

Questão 1

Questão
Homeostasis can be defined as the
Responda
  • 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

Questão 2

Questão
Which of the following is not a component of a feedback control loop?
Responda
  • sensory mechanism
  • integrating, or control, center
  • effector mechanism
  • stressor stimulator

Questão 3

Questão
Negative feedback control systems:
Responda
  • oppose a change
  • accelerate a change
  • ignore a change
  • none of the above

Questão 4

Questão
Positive feedback control systems
Responda
  • oppose a change
  • accelerate a change
  • ignore a change
  • none of the above

Questão 5

Questão
After food enters the stomach, [blank_start]feed-forward[blank_end] occurs to increase secretions and assist with digestion in the small intestine.
Responda
  • feed-forward
  • negative feedback
  • positive feedback
  • extrinsic control

Questão 6

Questão
Any given physiological parameter will never deviate beyond the set point.
Responda
  • True
  • False

Questão 7

Questão
In the thermostatically regulated furnace example of negative feedback, the furnace functions as the sensor.
Responda
  • True
  • False

Questão 8

Questão
Negative feedback systems are inhibitory.
Responda
  • True
  • False

Questão 9

Questão
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.
Responda
  • True
  • False

Questão 10

Questão
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.
Responda
  • True
  • False

Questão 11

Questão
[blank_start]Symptoms[blank_end]: subjective abnormalities [blank_start]Pathology[blank_end]: study of disease [blank_start]Syndrome[blank_end]: collection of different signs and symptoms that present a clear picture of a pathological condition [blank_start]Etiology[blank_end]: study of factors involved in causing a disease [blank_start]Signs[blank_end]: objective abnormalities [blank_start]Idiopathic[blank_end]: undetermined causes [blank_start]Endemic[blank_end]: disease native to a local region [blank_start]Acute[blank_end]: symptoms appear suddenly and for a short period [blank_start]Pandemic[blank_end]: affects large geographic regions [blank_start]Pathogenesis[blank_end]: actual pattern of a disease's development
Responda
  • Symptoms
  • Pathology
  • Syndrome
  • Etiology
  • Signs
  • Idiopathic
  • Endemic
  • Acute
  • Pandemic
  • Pathogenesis

Questão 12

Questão
[blank_start]Pathophysiology[blank_end] is the organized study of the underlying physiological processes associated with disease.
Responda
  • Pathophysiology

Questão 13

Questão
Many diseases are best understood as disturbances of [blank_start]homeostasis[blank_end].
Responda
  • homeostasis

Questão 14

Questão
Altered or [blank_start]mutated[blank_end] genes can cause abnormal proteins to be made.
Responda
  • mutated

Questão 15

Questão
An organism that lives in or on another organism to obtain its nutrients is called a [blank_start]parasite[blank_end].
Responda
  • parasite

Questão 16

Questão
Abnormal tissue growths may also be referred to as [blank_start]tumors[blank_end].
Responda
  • tumors

Questão 17

Questão
The body's ability to continuously respond to changes in the environment and maintain consistency in the internal environment is called
Responda
  • homeostasis
  • superficial
  • structural levels
  • none of the above

Questão 18

Questão
When you experience a bacterial infection, your immune system sends chemicals to signal the brain's hypothalamus to "turn up" the [blank_start]set point[blank_end] temperature, causing your body to shiver.
Responda
  • set point
  • effector
  • sensor
  • feed forward

Questão 19

Questão
Which of the following is not a homeostatic control system?
Responda
  • positive feedback
  • negative feedback
  • fast forward
  • variable feedback

Questão 20

Questão
the hypothalamus is the body's
Responda
  • thermostat
  • transmitter
  • positive feedback control system
  • effector

Questão 21

Questão
A disease that is native to a local region is referred to as being
Responda
  • epidemic
  • pandemic
  • endemic
  • idiopathic

Questão 22

Questão
Processes for maintaining or restoring homeostasis are known as [blank_start]homeostatic[blank_end] [blank_start]control[blank_end] [blank_start]mechanism[blank_end].
Responda
  • homeostatic
  • control
  • mechanism

Questão 23

Questão
[blank_start]Feed-forward[blank_end] is the concept that information may flow ahead to another process to trigger a change in anticipation of an event that will follow.
Responda
  • Feed-forward

Questão 24

Questão
[blank_start]Intrinsic[blank_end] [blank_start]control[blank_end] mechanisms operate at the tissue and organ levels.
Responda
  • Intrinsic
  • control

Questão 25

Questão
Tiny, primitive cells that lack nuclei and may cause infection are [blank_start]bacteria[blank_end].
Responda
  • bacteria

Questão 26

Questão
An inherited trait that puts one at greater than normal risk for development of a specific disease is a [blank_start]genetic[blank_end] [blank_start]factor[blank_end].
Responda
  • genetic
  • factor

Questão 27

Questão
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.
Responda
  • True
  • False

Questão 28

Questão
During the birth of a baby, oxytocin is released to stimulate labor. This is an example of positive feedback.
Responda
  • True
  • False

Questão 29

Questão
The formation of a blood clot is an example of a negative feedback.
Responda
  • True
  • False

Questão 30

Questão
Mechanisms that operate at the cell level are known as intracellular control mechanisms.
Responda
  • True
  • False

Questão 31

Questão
A secondary infection, such as pneumonia with an AIDS patient, is referred to as an opportunistic infection.
Responda
  • True
  • False

Questão 32

Questão
The thermostat of the brain is the [blank_start]hypothalamus[blank_end].
Responda
  • hypothalamus
  • thalamus

Questão 33

Questão
The hormone that stimulates contractions during labor is [blank_start]oxytocin[blank_end].
Responda
  • oxytocin
  • progesterone

Questão 34

Questão
Intrinsic control mechanisms are sometimes called [blank_start]autoregulation[blank_end] or circadian rhythms.
Responda
  • autoregulation
  • circadian rhythms

Questão 35

Questão
[blank_start]Prions[blank_end] are proteins that convert proteins of the cell into different proteins.
Responda
  • Prions
  • Protozoa

Questão 36

Questão
[blank_start]Young adulthood[blank_end] is the period of greatest homeostatic efficiency.
Responda
  • Young adulthood
  • Infancy

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