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Transcript of Homeostasis Test Review. Part A: True and False Contractions that increase in strength during...
![Page 1: Homeostasis Test Review. Part A: True and False Contractions that increase in strength during pregnancy are an example of a negative feedback mechanism.](https://reader035.fdocuments.net/reader035/viewer/2022062321/56649f1e5503460f94c35f68/html5/thumbnails/1.jpg)
Homeostasis
Test Review
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Part A: True and False
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Contractions that increase in strength during pregnancy are an example of a negative feedback mechanism.
A. TrueB. False
![Page 4: Homeostasis Test Review. Part A: True and False Contractions that increase in strength during pregnancy are an example of a negative feedback mechanism.](https://reader035.fdocuments.net/reader035/viewer/2022062321/56649f1e5503460f94c35f68/html5/thumbnails/4.jpg)
Contractions that increase in strength during pregnancy are an example of a negative feedback mechanism.
A. TrueB. False – positive feedback
![Page 5: Homeostasis Test Review. Part A: True and False Contractions that increase in strength during pregnancy are an example of a negative feedback mechanism.](https://reader035.fdocuments.net/reader035/viewer/2022062321/56649f1e5503460f94c35f68/html5/thumbnails/5.jpg)
Some animals sun themselves or retreat to shade as a way of regulating their body temperature.
A. TrueB. False
![Page 6: Homeostasis Test Review. Part A: True and False Contractions that increase in strength during pregnancy are an example of a negative feedback mechanism.](https://reader035.fdocuments.net/reader035/viewer/2022062321/56649f1e5503460f94c35f68/html5/thumbnails/6.jpg)
Some animals sun themselves or retreat to shade as a way of regulating their body temperature.
A. TrueB. False
![Page 7: Homeostasis Test Review. Part A: True and False Contractions that increase in strength during pregnancy are an example of a negative feedback mechanism.](https://reader035.fdocuments.net/reader035/viewer/2022062321/56649f1e5503460f94c35f68/html5/thumbnails/7.jpg)
A cross section of the kidney shows an outer layer called the medulla, an inner layer called the cortex, and a hollow chamber called the renal pelvis.
A. TrueB. False
![Page 8: Homeostasis Test Review. Part A: True and False Contractions that increase in strength during pregnancy are an example of a negative feedback mechanism.](https://reader035.fdocuments.net/reader035/viewer/2022062321/56649f1e5503460f94c35f68/html5/thumbnails/8.jpg)
A cross section of the kidney shows an outer layer called the medulla, an inner layer called the cortex, and a hollow chamber called the renal pelvis.
A. TrueB. False
- outer layer: cortex- inner layer: medulla
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Plasma proteins, erythrocytes, and platelets are transferred to the Bowman's capsule.
A. TrueB. False
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Plasma proteins, erythrocytes, and platelets are transferred to the Bowman's capsule.
A. TrueB. False
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When a person sweats and does not drink water, the pituitary gland releases ADH.
A. TrueB. False
![Page 12: Homeostasis Test Review. Part A: True and False Contractions that increase in strength during pregnancy are an example of a negative feedback mechanism.](https://reader035.fdocuments.net/reader035/viewer/2022062321/56649f1e5503460f94c35f68/html5/thumbnails/12.jpg)
When a person sweats and does not drink water, the pituitary gland releases ADH.
A. TrueB. False
![Page 13: Homeostasis Test Review. Part A: True and False Contractions that increase in strength during pregnancy are an example of a negative feedback mechanism.](https://reader035.fdocuments.net/reader035/viewer/2022062321/56649f1e5503460f94c35f68/html5/thumbnails/13.jpg)
Information from your brain is moved to your leg muscles by motor neurons.
A. TrueB. False
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Information from your brain is moved to your leg muscles by motor neurons.
A. TrueB. False
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Myelin sheath is very important for the transferring of information along the medulla.
A. TrueB. False
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Myelin sheath is very important for the transferring of information along the medulla.
A. TrueB. False - axon
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Electrochemical messages are carried by the movement of ions through the nerve membrane.
A. TrueB. False
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Electrochemical messages are carried by the movement of ions through the nerve membrane.
A. TrueB. False
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When the nerve cell is excited, it becomes more permeable to potassium ions than sodium ions.
A. TrueB. False
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When the nerve cell is excited, it becomes more permeable to potassium ions than sodium ions.
A. TrueB. False - sodium
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If a foreign bacteria enters the skin, the first leukocyte it will meet will be a macrophage.
A. TrueB. False
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If a foreign bacteria enters the skin, the first leukocyte it will meet will be a macrophage.
A. TrueB. False
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An antibody that attacks the HIV virus will also attack other viruses.
A. TrueB. False
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An antibody that attacks the HIV virus will also attack other viruses.
A. TrueB. False
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Part B: Multiple Choice
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The term used to describe the abilityof a living organism to adjust tochanging environmental conditionsby regulating their internalprocesses isa. regulationb. homeostasisc. Inhibitiond. feedbacke. metabolism
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The term used to describe the abilityof a living organism to adjust tochanging environmental conditionsby regulating their internalprocesses isa. regulationb. homeostasisc. Inhibitiond. feedbacke. metabolism
![Page 28: Homeostasis Test Review. Part A: True and False Contractions that increase in strength during pregnancy are an example of a negative feedback mechanism.](https://reader035.fdocuments.net/reader035/viewer/2022062321/56649f1e5503460f94c35f68/html5/thumbnails/28.jpg)
Which of the following analogies would best fit the action of the kidney?a. selecting those items not useful
and excreting themb. removing all the items and
returning 10% of themc. removing all the items and
returning none of themd. removing all the items and
returning what is still useful
![Page 29: Homeostasis Test Review. Part A: True and False Contractions that increase in strength during pregnancy are an example of a negative feedback mechanism.](https://reader035.fdocuments.net/reader035/viewer/2022062321/56649f1e5503460f94c35f68/html5/thumbnails/29.jpg)
Which of the following analogies would best fit the action of the kidney?a. selecting those items not useful
and excreting themb. removing all the items and
returning 10% of themc. removing all the items and
returning none of themd. removing all the items and
returning what is still useful
![Page 30: Homeostasis Test Review. Part A: True and False Contractions that increase in strength during pregnancy are an example of a negative feedback mechanism.](https://reader035.fdocuments.net/reader035/viewer/2022062321/56649f1e5503460f94c35f68/html5/thumbnails/30.jpg)
Which one of the following is a part ofthe circulatory system?
a. distal tubulesb. collecting ductc. Bowman's capsuled. glomerulus
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Which one of the following is a part ofthe circulatory system?
a. distal tubulesb. collecting ductc. Bowman's capsuled. glomerulus
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Choose the item below controlled by ADH:
a. the level of glucose in the bloodb. the amount of water re-absorbed
in the nephronc. the development of the lining of
the uterusd. the release of an ovum from the
ovarye. the uptake of calcium by the
bones
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Choose the item below controlled by ADH:
a. the level of glucose in the bloodb. the amount of water
re-absorbed in the nephronc. the development of the lining of
the uterusd. the release of an ovum from the
ovarye. the uptake of calcium by the
bones
![Page 34: Homeostasis Test Review. Part A: True and False Contractions that increase in strength during pregnancy are an example of a negative feedback mechanism.](https://reader035.fdocuments.net/reader035/viewer/2022062321/56649f1e5503460f94c35f68/html5/thumbnails/34.jpg)
Antidiuretic hormone is secreted bythea. Thyroidb. pituitary glandc. adrenal glandsd. hypothalamus
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Antidiuretic hormone is secreted bythea. Thyroidb. pituitary glandc. adrenal glandsd. hypothalamus
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The coordination of motor activitiesin mammals is carried out by whichof the following?a. Ponsb. Medullac. Cerebellumd. Hypothalamuse. cerebrum
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The coordination of motor activitiesin mammals is carried out by whichof the following?a. Ponsb. Medullac. Cerebellumd. Hypothalamuse. cerebrum
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Focusing the eye is achieved bychanging the shape of the lens. This iscalleda. Zoomingb. Habituationc. Refractiond. Accommodatione. conditioning
![Page 39: Homeostasis Test Review. Part A: True and False Contractions that increase in strength during pregnancy are an example of a negative feedback mechanism.](https://reader035.fdocuments.net/reader035/viewer/2022062321/56649f1e5503460f94c35f68/html5/thumbnails/39.jpg)
Focusing the eye is achieved bychanging the shape of the lens. This iscalleda. Zoomingb. Habituationc. Refractiond. Accommodatione. conditioning
![Page 40: Homeostasis Test Review. Part A: True and False Contractions that increase in strength during pregnancy are an example of a negative feedback mechanism.](https://reader035.fdocuments.net/reader035/viewer/2022062321/56649f1e5503460f94c35f68/html5/thumbnails/40.jpg)
The autonomic division of the nervoussystem a. is involved in conscious thoughtb. is involved in learningc. controls unconscious life-sustaining
activitiesd. controls voluntary musclese. all of the above
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The autonomic division of the nervoussystem a. is involved in conscious thoughtb. is involved in learningc. controls unconscious
life-sustaining activitiesd. controls voluntary musclese. all of the above
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A patient with symptoms of tremors,an irregular walk, and halting speechmight have experienced trauma towhich of the following?
a. cerebrum d. thalamusb. pons e. hypothalamusc. cerebellum
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A patient with symptoms of tremors,an irregular walk, and halting speechmight have experienced trauma towhich of the following?
a. cerebrum d. thalamusb. pons e. hypothalamusc. cerebellum
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Respiration is controlled by which of the following?a. pons, hypothalamusb. pons, medulla oblongatac. cerebrum, hypothalamusd. hypothalamus, pituitary gland
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Respiration is controlled by which of the following?a. pons, hypothalamusb. pons, medulla oblongatac. cerebrum, hypothalamusd. hypothalamus, pituitary gland
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The act of blushing whenembarrassed is controlled by whichof the following?a. the autonomic nervous systemb. pores in the skinc. the cerebrumd. the cerebellume. the peripheral nervous system
![Page 47: Homeostasis Test Review. Part A: True and False Contractions that increase in strength during pregnancy are an example of a negative feedback mechanism.](https://reader035.fdocuments.net/reader035/viewer/2022062321/56649f1e5503460f94c35f68/html5/thumbnails/47.jpg)
The act of blushing whenembarrassed is controlled by whichof the following?a. the autonomic nervous systemb. pores in the skinc. the cerebrumd. the cerebellume. the peripheral nervous system
![Page 48: Homeostasis Test Review. Part A: True and False Contractions that increase in strength during pregnancy are an example of a negative feedback mechanism.](https://reader035.fdocuments.net/reader035/viewer/2022062321/56649f1e5503460f94c35f68/html5/thumbnails/48.jpg)
Parasympathetic stimulation wouldresult in which of the following?a. decreased blood flow in skinb. increased heart ratec. pupil dilationd. increased activity of digestive
tract
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Parasympathetic stimulation wouldresult in which of the following?a. decreased blood flow in skinb. increased heart ratec. pupil dilationd. increased activity of digestive
tract
![Page 50: Homeostasis Test Review. Part A: True and False Contractions that increase in strength during pregnancy are an example of a negative feedback mechanism.](https://reader035.fdocuments.net/reader035/viewer/2022062321/56649f1e5503460f94c35f68/html5/thumbnails/50.jpg)
Vision difficulties are associatedwith which lobe of the brain?a. Frontalb. Parietalc. Temporald. occipital
![Page 51: Homeostasis Test Review. Part A: True and False Contractions that increase in strength during pregnancy are an example of a negative feedback mechanism.](https://reader035.fdocuments.net/reader035/viewer/2022062321/56649f1e5503460f94c35f68/html5/thumbnails/51.jpg)
Vision difficulties are associatedwith which lobe of the brain?a. Frontalb. Parietalc. Temporald. occipital
![Page 52: Homeostasis Test Review. Part A: True and False Contractions that increase in strength during pregnancy are an example of a negative feedback mechanism.](https://reader035.fdocuments.net/reader035/viewer/2022062321/56649f1e5503460f94c35f68/html5/thumbnails/52.jpg)
Which part of the neuron receives sensory information?
a. Dendriteb. Axonc. Sheathd. node of Ranvier
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Which part of the neuron receives sensory information?
a. Dendriteb. Axonc. Sheathd. node of Ranvier
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Which of the following is not aneffector?a. Musclesb. glandsc. Organsd. brain
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Which of the following is not aneffector?a. Musclesb. glandsc. Organsd. brain
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There is no vaccine available to prevent the common cold because
a. common cold viruses do not stimulate production of antibodies
b. there are too many types of common cold viruses
c. common cold viruses grow best at 33°C instead of 37°C
d. the common cold seldom causes absence from work and school
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There is no vaccine available to prevent the common cold because
a. common cold viruses do not stimulate production of antibodies
b. there are too many types of common cold viruses
c. common cold viruses grow best at 33°C instead of 37°C
d. the common cold seldom causes absence from work and school
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T cells become mature in which ofthe following?a. bone marrowb. spleenc. thyroid glandd. lymph nodee. thymus gland
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T cells become mature in which ofthe following?a. bone marrowb. spleenc. thyroid glandd. lymph nodee. thymus gland
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Part C: Short Answer
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1.Describe how negative feedback is preferable to positive feedback in most situations.
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- positive feedback will increase the response- disadvantage if stimulus is harmful- negative feedback reduces the response when balance is achieved
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What conditions or substances must remain constant in the body?
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1. Body temperature
2. pH
3. Water levels
4. Oxygen/carbon dioxide levels
5. Nutrient levels
6. Electrolytes (dissolved ions)
7. Wastes, toxins
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List the three stages of urine formation.
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1. Glomerular filtration
2. Active recovery/reabsorption
3. Water recovery/secretion of wastes
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Describe the role of insulin and glucagon in regulating blood sugar.
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Insulin – lowers blood sugar
Glucagon – raises blood sugar
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List three non-specific defences of the body.
![Page 70: Homeostasis Test Review. Part A: True and False Contractions that increase in strength during pregnancy are an example of a negative feedback mechanism.](https://reader035.fdocuments.net/reader035/viewer/2022062321/56649f1e5503460f94c35f68/html5/thumbnails/70.jpg)
1. Skin
2. Body secretions
3. Normal bacteria
4. White blood cells