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PSL BUNDLED EXAMS 3 with correct answers 2024
PSL EXAM 3 with correct answers 2024 PSL 250 Exam with 100% correct answers 2024
[Show more]PSL EXAM 3 with correct answers 2024 PSL 250 Exam with 100% correct answers 2024
[Show more]a. Protein synthesis 
b. Cell division 
c. Positive feedback 
d. Negative feedback correct answers c. Positive feedback 
 
2.) What is the body's internal environment which is maintained by homeostasis? 
a. Interstitial fluid 
b. Intracellular fluid 
c. Blood 
d. Mitochondrial matrix correct answ...
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Add to carta. Protein synthesis 
b. Cell division 
c. Positive feedback 
d. Negative feedback correct answers c. Positive feedback 
 
2.) What is the body's internal environment which is maintained by homeostasis? 
a. Interstitial fluid 
b. Intracellular fluid 
c. Blood 
d. Mitochondrial matrix correct answ...
Organelles are not listed as one of the levels of organization of life. Can you put forth a logical argument for why they are not part of the hierarchy of life? correct answers Organelles are structures within cells. They develop within cells after cells are made from molecules and therefore do not...
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Add to cartOrganelles are not listed as one of the levels of organization of life. Can you put forth a logical argument for why they are not part of the hierarchy of life? correct answers Organelles are structures within cells. They develop within cells after cells are made from molecules and therefore do not...
What is Physiology? correct answers The study of how the body functions 
 
What are the levels of organization within the body (from simple to complex)? correct answers 1) Molecules. 2) Cells. 3) Tissues. 4) Organs. 5) Systems 
 
What is Homeostasis? correct answers The maintaining of a "normal...
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Add to cartWhat is Physiology? correct answers The study of how the body functions 
 
What are the levels of organization within the body (from simple to complex)? correct answers 1) Molecules. 2) Cells. 3) Tissues. 4) Organs. 5) Systems 
 
What is Homeostasis? correct answers The maintaining of a "normal...
What is the driving force that determines the passive transport of solutes across a permeable membrane? correct answers The electrochemical gradient 
 
When a substance is uncharged, as in the case of glucose, when can equilibrium occur? correct answers Only when the concentration is equal on the ...
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Add to cartWhat is the driving force that determines the passive transport of solutes across a permeable membrane? correct answers The electrochemical gradient 
 
When a substance is uncharged, as in the case of glucose, when can equilibrium occur? correct answers Only when the concentration is equal on the ...
Define homeostasis and identify the components of homeostatic system. correct answers "State of normality" 
 
Receptor : detect change 
Integrating Center : sends instructions 
Effector : adjusts change 
 
Describe how negative feedback loops regulate blood glucose (endocrine) and blood pressure ...
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Add to cartDefine homeostasis and identify the components of homeostatic system. correct answers "State of normality" 
 
Receptor : detect change 
Integrating Center : sends instructions 
Effector : adjusts change 
 
Describe how negative feedback loops regulate blood glucose (endocrine) and blood pressure ...
Insuring Clause correct answers Company's promise to pay the benefits 
 
* A company will pay as long as everything is ( Truthful ) 
 
Consideration Clause correct answers Application and initial premium = applicant's consideration 
 
Grace Period correct answers 30/31 and sometimes 60 days aft...
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Add to cartInsuring Clause correct answers Company's promise to pay the benefits 
 
* A company will pay as long as everything is ( Truthful ) 
 
Consideration Clause correct answers Application and initial premium = applicant's consideration 
 
Grace Period correct answers 30/31 and sometimes 60 days aft...
The resting membrane potential is mainly determined by: 
 
a. The sodium gradient 
b. The chloride gradient 
c. The potassium gradient 
d. The calcium gradient correct answers The potassium gradient 
 
The net outward flow of chloride would best be described as a: 
 
a. Equilibrium Current 
b....
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Add to cartThe resting membrane potential is mainly determined by: 
 
a. The sodium gradient 
b. The chloride gradient 
c. The potassium gradient 
d. The calcium gradient correct answers The potassium gradient 
 
The net outward flow of chloride would best be described as a: 
 
a. Equilibrium Current 
b....
Explain any differences, issues, and benefits of using various measurement devices for taking body temperature? Which of our modalities gives a closer measure to the "core" temperature? Why? correct answers Gold standard is the rectal thermometer, which gives an approximate value of 37.6 deg C. W...
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Add to cartExplain any differences, issues, and benefits of using various measurement devices for taking body temperature? Which of our modalities gives a closer measure to the "core" temperature? Why? correct answers Gold standard is the rectal thermometer, which gives an approximate value of 37.6 deg C. W...
Physiology correct answers The study of the function of the human body (how it works) 
 
Anatomy correct answers The study of the structure of the human body (how it looks) 
 
Homeostasis correct answers The maintenance of a relatively constant internal environment, fluctuates but within narrow l...
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Add to cartPhysiology correct answers The study of the function of the human body (how it works) 
 
Anatomy correct answers The study of the structure of the human body (how it looks) 
 
Homeostasis correct answers The maintenance of a relatively constant internal environment, fluctuates but within narrow l...
Anatomy is the study of the function of the body. correct answers False 
 
Physiology is the study of the function of the body. correct answers True 
 
In a very cold external environment, the temperature of the body decreases and shivering occurs which generates heat in the body. This is an examp...
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Add to cartAnatomy is the study of the function of the body. correct answers False 
 
Physiology is the study of the function of the body. correct answers True 
 
In a very cold external environment, the temperature of the body decreases and shivering occurs which generates heat in the body. This is an examp...
physiology correct answers study of how the body functions 
 
Pathophysiology correct answers disease or injury affects physiological processes 
 
comparative physiology correct answers differences and similarities in functions of invertebrates and vertebrates, development of pharma drugs 
 
C c...
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Add to cartphysiology correct answers study of how the body functions 
 
Pathophysiology correct answers disease or injury affects physiological processes 
 
comparative physiology correct answers differences and similarities in functions of invertebrates and vertebrates, development of pharma drugs 
 
C c...
GI reflexes ______ occur without involvement of the central nervous system (without the central nervous system being involved in the reflex). 
A.) Can 
B.) Cannot correct answers A. Can 
 
Saliva 
A.) helps keep teeth clean 
B.) allows food molecules to stimulate the taste buds 
C.) contains lysozy...
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Add to cartGI reflexes ______ occur without involvement of the central nervous system (without the central nervous system being involved in the reflex). 
A.) Can 
B.) Cannot correct answers A. Can 
 
Saliva 
A.) helps keep teeth clean 
B.) allows food molecules to stimulate the taste buds 
C.) contains lysozy...
What does the enteric nervous system include correct answers the myenteric plexus and the submucusol plexus 
 
What occurs during the oropharyngeal stage of swallowing correct answers closure of the glottis and inhibition of respiration 
 
Gastrin correct answers a hormone secreted by cells in th...
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Add to cartWhat does the enteric nervous system include correct answers the myenteric plexus and the submucusol plexus 
 
What occurs during the oropharyngeal stage of swallowing correct answers closure of the glottis and inhibition of respiration 
 
Gastrin correct answers a hormone secreted by cells in th...
What do melanocortins do? 
 
A. Absorb UV radiation 
B. Store carbohydrates 
C. Activate pain receptors 
D. Suppress appetite correct answers D. Suppress appetite 
 
Which hormone released from the digestive tract increases appetite? 
 
A. Neuropeptide Y 
B. CCK 
C. Ghrelin 
D. PYY3-36 correct...
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Add to cartWhat do melanocortins do? 
 
A. Absorb UV radiation 
B. Store carbohydrates 
C. Activate pain receptors 
D. Suppress appetite correct answers D. Suppress appetite 
 
Which hormone released from the digestive tract increases appetite? 
 
A. Neuropeptide Y 
B. CCK 
C. Ghrelin 
D. PYY3-36 correct...
pulmonary circuit correct answers runs through lungs and serves to oxygenate blood 
 
systemic circuit correct answers serves to distribute oxygenated blood to rest of tissues of body 
 
How much blood is pumped to the lungs? correct answers 5.0 L 
 
Which vessels carry deoxygenated blood? corre...
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Add to cartpulmonary circuit correct answers runs through lungs and serves to oxygenate blood 
 
systemic circuit correct answers serves to distribute oxygenated blood to rest of tissues of body 
 
How much blood is pumped to the lungs? correct answers 5.0 L 
 
Which vessels carry deoxygenated blood? corre...
Describe B lymphocytes, plasma cells, T lymphocytes correct answers B lymphocytes become cells called plasma cells, plasma cells secrete antibodies, the antibodies provide humoral immunity, T lymphocytes provide immunity not by secretion of anitbodies. 
 
Identify cytotoxic T cells and helper T cel...
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Add to cartDescribe B lymphocytes, plasma cells, T lymphocytes correct answers B lymphocytes become cells called plasma cells, plasma cells secrete antibodies, the antibodies provide humoral immunity, T lymphocytes provide immunity not by secretion of anitbodies. 
 
Identify cytotoxic T cells and helper T cel...
which starling force pressure is higher in glomerulus correct answers glomerular capillary hydrostatic pressure 
 
which blood vessels directly supply kidneys correct answers renal artery and renal vein 
 
what would increase both GFR and RBF correct answers decrease in resistance of glomerular a...
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Add to cartwhich starling force pressure is higher in glomerulus correct answers glomerular capillary hydrostatic pressure 
 
which blood vessels directly supply kidneys correct answers renal artery and renal vein 
 
what would increase both GFR and RBF correct answers decrease in resistance of glomerular a...
Which of the following is located entirely within the central nervous system? 
a) afferent neurons 
b) efferent neurons 
c) internerons 
d) A and B 
e) A, B, and C correct answers c 
 
Which of the following is NOT required for a patellar tendon (knee-jerk) reflex? 
a) afferent pathway 
b) efferent...
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Add to cartWhich of the following is located entirely within the central nervous system? 
a) afferent neurons 
b) efferent neurons 
c) internerons 
d) A and B 
e) A, B, and C correct answers c 
 
Which of the following is NOT required for a patellar tendon (knee-jerk) reflex? 
a) afferent pathway 
b) efferent...
What are post synaptic potentials that result from the opening of a small number of channels in the postsynaptic membrane even in the absence of nerve stimulation called? correct answers Miniature post synaptic potentials 
 
Based on the cause of Myasthenia Gravis, what compound would be a suitable...
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Add to cartWhat are post synaptic potentials that result from the opening of a small number of channels in the postsynaptic membrane even in the absence of nerve stimulation called? correct answers Miniature post synaptic potentials 
 
Based on the cause of Myasthenia Gravis, what compound would be a suitable...
Describe the scientific study of physiology correct answers The study of how the body works 
- Normal function of cells to the organism as a whole 
- Emphasizes mechanisms - how it works 
- Explained using cause and effect sequences 
- Derived from scientific experimentation 
 
What are the subdisc...
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Add to cartDescribe the scientific study of physiology correct answers The study of how the body works 
- Normal function of cells to the organism as a whole 
- Emphasizes mechanisms - how it works 
- Explained using cause and effect sequences 
- Derived from scientific experimentation 
 
What are the subdisc...
erythropoiesis correct answers forms erythropoietin 
 
cortical nephron correct answers short LoH 
renal corpuscle in outer cortex 
low filtration rate 
no vasarecta 
7/8 of all nephrons 
 
juxtamedullary nephron correct answers long LoH 
renal corpuscle large and closer to medulla 
high filtrati...
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Add to carterythropoiesis correct answers forms erythropoietin 
 
cortical nephron correct answers short LoH 
renal corpuscle in outer cortex 
low filtration rate 
no vasarecta 
7/8 of all nephrons 
 
juxtamedullary nephron correct answers long LoH 
renal corpuscle large and closer to medulla 
high filtrati...
skeletal muscle correct answers attached to the skeleton; striated, voluntary. contains lots of mitochondria because skeletal muscle cells are doing a lot of cellular respiration so they can make ATP to contract; lots of nuclei. 
 
cardiac muscle correct answers heart muscle; striated (more branch...
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Add to cartskeletal muscle correct answers attached to the skeleton; striated, voluntary. contains lots of mitochondria because skeletal muscle cells are doing a lot of cellular respiration so they can make ATP to contract; lots of nuclei. 
 
cardiac muscle correct answers heart muscle; striated (more branch...
B correct answers which is more accurate? 
A the skin is also known as the integumentary system 
B the integumentary system is composed of skin and all the accessory organs 
 
B, D correct answers choose ALL considered to be layers of the skin: 
A skeletal muscle 
B epidermis 
C hypodermis 
D derm...
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Add to cartB correct answers which is more accurate? 
A the skin is also known as the integumentary system 
B the integumentary system is composed of skin and all the accessory organs 
 
B, D correct answers choose ALL considered to be layers of the skin: 
A skeletal muscle 
B epidermis 
C hypodermis 
D derm...
structure of the plasma membrane correct answers semi-permeable double layer of phospholipids, hydrophobic center 
 
primary cilia correct answers detects fluid motion 
 
motile cilia correct answers helps cell move in uterine tubes and the respiratory tract, 9+2 arrangement 
 
Flagellum correct...
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Add to cartstructure of the plasma membrane correct answers semi-permeable double layer of phospholipids, hydrophobic center 
 
primary cilia correct answers detects fluid motion 
 
motile cilia correct answers helps cell move in uterine tubes and the respiratory tract, 9+2 arrangement 
 
Flagellum correct...
What is the presynaptic neuron? correct answers the neuron that conducts the impulse TO the synapse 
 
What is the postsynaptic neuron? correct answers the neuron that conducts the impulse AWAY FROM the synapse 
 
What is the synaptic cleft? correct answers the space between the presynaptic and p...
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Add to cartWhat is the presynaptic neuron? correct answers the neuron that conducts the impulse TO the synapse 
 
What is the postsynaptic neuron? correct answers the neuron that conducts the impulse AWAY FROM the synapse 
 
What is the synaptic cleft? correct answers the space between the presynaptic and p...
If a patient becomes dehydrated, the percentage of plasma in a centrifuged sample of his or her blood would likely correct answers Decreases 
 
As blood is pumped out of the heart and into the major arteries leaving the heart correct answers pushes against the semilunar valves and opens them. 
 
W...
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Add to cartIf a patient becomes dehydrated, the percentage of plasma in a centrifuged sample of his or her blood would likely correct answers Decreases 
 
As blood is pumped out of the heart and into the major arteries leaving the heart correct answers pushes against the semilunar valves and opens them. 
 
W...
Describe the general functions controlled by the endocrine system correct answers -Regulate development, growth and metabolism 
-Maintain homeostasis of blood composition and volume 
-Control digestive processes 
-control reproductive activity 
 
Identify the major endocrine glands and where they a...
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Add to cartDescribe the general functions controlled by the endocrine system correct answers -Regulate development, growth and metabolism 
-Maintain homeostasis of blood composition and volume 
-Control digestive processes 
-control reproductive activity 
 
Identify the major endocrine glands and where they a...
The GI tract has its own correct answers local nervous system, therefore it doesn't need CNS assistance 
 
Why is the GI tract not part of the internal body correct answers because it has harsh conditions that would damage the body, such as low ph or lots or beneficial (when located there) bacter...
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Add to cartThe GI tract has its own correct answers local nervous system, therefore it doesn't need CNS assistance 
 
Why is the GI tract not part of the internal body correct answers because it has harsh conditions that would damage the body, such as low ph or lots or beneficial (when located there) bacter...
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