Psio 303 - Study guides, Class notes & Summaries
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PSIO 303 BLOCK 2 L6 EXAM PRACTICE TEST WITH COMPLETE SOLUTIONS
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PSIO 303 BLOCK 2 L6 EXAM PRACTICE 
TEST WITH COMPLETE SOLUTIONS 
List and discuss the diagnostic characteristics of passive diffusion. - 
Answer️️ -ALL channels, and SOME carriers, can only support 
NET transport DOWN the electrochemical gradient of their 
transported substrates 
One category of carrier can do something no channel can 
Support net movement of their substrates AGAINST and 
electrochemical gradient 
List and discuss the diagnostic characteristics of carrier mediated 
transport...
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PSIO 303 Bundled Exams Questions and Answers | All Correct
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PSIO 303 Bundled Exams Questions and Answers | All Correct
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PSIO 303 BLOCK 1 L12 PRACTICE EXAM QUESTIONS AND ANSWERS (100% PASS)
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PSIO 303 BLOCK 1 L12 PRACTICE EXAM 
QUESTIONS AND ANSWERS (100% PASS) 
What is convergence of neural input ? - Answer️️ -several 
presynaptic neurons synapse with one post synaptic neuron (can be 
a mix of stimulatory and some inhibitory signals) 
How does convergence of neural imput relate to size and polarity of 
graded potentials? - Answer️️ -graded potentials: side varies with 
strength of stimulus 
What is an inotropic receptor? - Answer️️ -membrane-bound 
receptor proteins that...
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PSIO 303 EXAM 1 QUESTIONS AND ANSWERS
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PSIO 303 EXAM 1 QUESTIONS AND 
ANSWERS 
Why would cells have a tendency to swell? - ANSWER-Because cytoplasm contains negatively 
charged proteins that cannot exit, so cells naturally gain water and swell 
What prevents cells from actually swelling? - ANSWER-It is effectively impossible for sodium to enter 
the cell (due to pump and lack of sodium channels). There is a high sodium ion concentration outside the 
cell which prevents water from entering in the cell 
What happens when Na+ homeostasi...
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PSIO 303 Exam Questions and Answers
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PSIO 303 Exam Questions and Answers 
Which of the following is an accurate statement about signal transduction? 
A. A chemical messenger produced by one cell in a tissue that acts on an adjacent cell in the tissue is an 
example of endocrine communication. 
B. Only the amino acids tyrosine, serine, and alanine in signaling proteins undergo phosphorylation and 
dephosphorylation. 
C. Phosphorylation of an intracellular protein can result in either activation or inactivation of that 
protein. 
D. ...
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PSIO 303 Exam 3 Questions and Answers
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PSIO 303 Exam 3 Questions and Answers 
The tissue type primarily responsible for peripheral glucose disposal and for whole-body insulin 
resistance is? - ANSWER-skeletal muscle 
Which of the following is neither a core component nor an additional component of Metabolic 
Syndrome? - ANSWER-Hyperkeratosis 
Of the following pairs of components, which are the earliest that arise with Metabolic Syndrome? - 
ANSWER-hyperinsulinemia and insulin resistance 
When it comes to essential hypertension in Met...
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PSIO 303 EXAM 1 STUDY GUIDE SOLUTIONS
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PSIO 303 EXAM 1 STUDY GUIDE 
SOLUTIONS 
Mitochondria - ANSWER-making ATP by breaking down sugar 
plasma membrane (cell membrane) - ANSWER--Provides protection and a fixed environment for the 
cell 
-Transports nutrients into the cell and transports toxic substance outside of the cell 
Nucleus - ANSWER-Protecting, controlling access to DNA 
Golgi - ANSWER-Modifying polypeptide chains; sorting, shipping proteins and lipids 
Ribosomes - ANSWER-Assembling polypeptide chains 
Lysosomes - ANSWER-Intra...
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PSIO 303 Exam 3 Quiz Questions with Correct Answers
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PSIO 303 Exam 3 Quiz Questions with 
Correct Answers 
When it comes to essential hypertension in Metabolic Syndrome, it is suggested that __________ and 
__________ may be responsible for the development of this core component by increasing central 
sympathetic outflow, causing peripheral vasoconstriction, and more. - ANSWER-Insulin resistance; 
hyperinsulinemia 
Of the following pairs of components, which are the earliest that arise with Metabolic Syndrome? 
- Hyperinsulinemia and insulin resis...
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PSIO 303 Exam 3 Study Questions and Answers
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PSIO 303 Exam 3 Study Questions and 
Answers 
The earliest defects that arise with Metabolic Syndrome are impaired glucose tolerance (IGT) and 
hyperinsulinemia - ANSWER-False 
All individuals who develop Metabolic Syndrome will eventually develop type 2 diabetes - ANSWER- 
False 
Adipose tissue stores lipid, but also has an endocrine function in the release of cytokines and other types 
of chemical messengers (hormones, etc). - ANSWER-True 
The microvascular complications (e.g. retinopathy) of ...
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PSIO 303 Block 3 Exam Questions and Answers
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PSIO 303 Block 3 Exam Questions and 
Answers 
Which of the following is NOT a component (major or additional) of the Metabolic Syndrome? 
-hyperinsulinemia 
-dyslipidemia 
-hypercoagulability 
-heart attack and stroke 
-adipocyte dysfunction - ANSWER-heart attack and stroke 
T/F: By definition, an individual with the Metabolic Syndrome will always also develop type 2 diabetes. - 
ANSWER-False 
T/F: The earliest defects that arise with Metabolic Syndrome are insulin resistance and hypertension. -...
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