Test
Study Guide: Homeostasis
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Preguntas del test (36)
1Homeostasis can be defined as the
- Arelatively constant state maintained by the body
- Boverall contribution of an organ system
- Cexternal stimuli that evoke a disruption to an organism
- Dlack of cytoplasm within a plasma membrane
2Which of the following is not a component of a feedback control loop?
- Asensory mechanism
- Bintegrating, or control, center
- Ceffector mechanism
- Dstressor stimulator
3Negative feedback control systems:
- Aoppose a change
- Baccelerate a change
- Cignore a change
- Dnone of the above
4Positive feedback control systems
- Aoppose a change
- Baccelerate a change
- Cignore a change
- Dnone of the above
5After food enters the stomach, [blank_start]feed-forward[blank_end] occurs to increase secretions and assist with digestion in the small intestine.
- Afeed-forward
- Bnegative feedback
- Cpositive feedback
- Dextrinsic control
6Any given physiological parameter will never deviate beyond the set point.
- AVerdadero
- BFalso
7In the thermostatically regulated furnace example of negative feedback, the furnace functions as the sensor.
- AVerdadero
- BFalso
8Negative feedback systems are inhibitory.
- AVerdadero
- BFalso
9The 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.
- AVerdadero
- BFalso
10When 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.
- AVerdadero
- BFalso
11[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- ASymptoms
- BPathology
- CSyndrome
- DEtiology
- ESigns
- FIdiopathic
- GEndemic
- HAcute
- IPandemic
- JPathogenesis
12[blank_start]Pathophysiology[blank_end] is the organized study of the underlying physiological processes associated with disease.
- APathophysiology
13Many diseases are best understood as disturbances of [blank_start]homeostasis[blank_end].
- Ahomeostasis
14Altered or [blank_start]mutated[blank_end] genes can cause abnormal proteins to be made.
- Amutated
15An organism that lives in or on another organism to obtain its nutrients is called a [blank_start]parasite[blank_end].
- Aparasite
16Abnormal tissue growths may also be referred to as [blank_start]tumors[blank_end].
- Atumors
17The body's ability to continuously respond to changes in the environment and maintain consistency in the internal environment is called
- Ahomeostasis
- Bsuperficial
- Cstructural levels
- Dnone of the above
18When 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.
- Aset point
- Beffector
- Csensor
- Dfeed forward
19Which of the following is not a homeostatic control system?
- Apositive feedback
- Bnegative feedback
- Cfast forward
- Dvariable feedback
20the hypothalamus is the body's
- Athermostat
- Btransmitter
- Cpositive feedback control system
- Deffector
21A disease that is native to a local region is referred to as being
- Aepidemic
- Bpandemic
- Cendemic
- Didiopathic
22Processes for maintaining or restoring homeostasis are known as [blank_start]homeostatic[blank_end] [blank_start]control[blank_end] [blank_start]mechanism[blank_end].
- Ahomeostatic
- Bcontrol
- Cmechanism
23[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.
- AFeed-forward
24[blank_start]Intrinsic[blank_end] [blank_start]control[blank_end] mechanisms operate at the tissue and organ levels.
- AIntrinsic
- Bcontrol
25Tiny, primitive cells that lack nuclei and may cause infection are [blank_start]bacteria[blank_end].
- Abacteria
26An 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].
- Agenetic
- Bfactor
27If 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.
- AVerdadero
- BFalso
28During the birth of a baby, oxytocin is released to stimulate labor. This is an example of positive feedback.
- AVerdadero
- BFalso
29The formation of a blood clot is an example of a negative feedback.
- AVerdadero
- BFalso
30Mechanisms that operate at the cell level are known as intracellular control mechanisms.
- AVerdadero
- BFalso
31A secondary infection, such as pneumonia with an AIDS patient, is referred to as an opportunistic infection.
- AVerdadero
- BFalso
32The thermostat of the brain is the [blank_start]hypothalamus[blank_end].
- Ahypothalamus
- Bthalamus
33The hormone that stimulates contractions during labor is [blank_start]oxytocin[blank_end].
- Aoxytocin
- Bprogesterone
34Intrinsic control mechanisms are sometimes called [blank_start]autoregulation[blank_end] or circadian rhythms.
- Aautoregulation
- Bcircadian rhythms
35[blank_start]Prions[blank_end] are proteins that convert proteins of the cell into different proteins.
- APrions
- BProtozoa
36[blank_start]Young adulthood[blank_end] is the period of greatest homeostatic efficiency.
- AYoung adulthood
- BInfancy
Información
- Descripción
- (Lecture Exam 1: Org. of the Body, Cell Struct/Function/Dev) Anatomy & Physiology I Test sobre Study Guide: Homeostasis, creado por Alexandra Bozan el 23/01/2017.
- Autor
- Alexandra Bozan
- Idioma
- English
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