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PSIO 303 Exam 3 Practice Questions and Answers (100% Pass)

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PSIO 303 Exam 3 Practice Questions and Answers (100% Pass) The tissue type primarily responsible for peripheral glucose disposal and for whole-body insulin resistance is? - Answer️️ -skeletal muscle Which of the following is neither a core component nor an additional component of Metaboli...

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  • August 28, 2024
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  • PSIO 303
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PSIO 303 Exam 3 Practice Questions and
Answers (100% Pass)

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 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

Which of the following statements about Metabolic Syndrome is
false? - Answer✔️✔️-The onset of symptoms is typically very rapid

Individuals with a 2-hour glucose level above 200 mg/dL during an
OGTT can be diagnosed with type 2 diabetes. - Answer✔️✔️-True




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Skeletal muscle is a major organ for both the removal of glucose
from the bloodstream and the delivery of glucose into the
bloodstream following glycogen breakdown. - Answer✔️✔️-False

Reactive oxygen species cause cellular dysfunction and do not play
a role in normal growth and metabolism. - Answer✔️✔️-False

Glucose that enters the bloodstream from the intestines is first
processed and detected by the pancreas. - Answer✔️✔️-False

Release of adiponectin from fat cells would promote the
development of cardiovascular associated defects and impairments
in Metabolic Syndrome. - Answer✔️✔️-False

Enzymes which remove phosphates from cellular proteins are called
__________, whereas enzymes which add phosphates to cellular
proteins are called - Answer✔️✔️-phosphatases; kinases

Which of the following statements regarding signal transduction is
FALSE?

1. Signal transduction relies exclusively on cell surface receptors in
order to change cellular behavior.

2. The use of second messengers allows for signal transduction
events to be amplified in the cell.

3. Signal transduction is used by the body to change the function of
cells.




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4. Phosphorylation of proteins is a critical (and quite common)
component of signal transduction in cells. - Answer✔️✔️-
Phosphorylation of proteins is a critical (and quite common)
component of signal transduction in cells.

A chemical messenger secreted by one cell and acting on the same
cell in the same tissue is an example of paracrine communication. -
Answer✔️✔️-False

Phosphorylation events become less common throughout the
subsequent stages of cellular signal transduction. - Answer✔️✔️-
False

ACh receptors are ligand-gated ion channels that permit the
movement of what ion when ACh binds? - Answer✔️✔️-Na+

When a ligand binds to a GPCR, the activated GPCR becomes
capable to doing what for G proteins? - Answer✔️✔️-It can now
enable a new GTP molecule from the cytoplasm to replace the old
GDP molecule bound to the α subunit of the G protein.

Adenylate cyclase uses the substrate _____ to form the second
messenger chemical _____, and the increase in this second
messenger chemical causes the activation of the enzyme named
_____. - Answer✔️✔️-ATP; cAMP; PKA

The α subunits of the _____ subfamily of G proteins interact with
(and stimulate) adenylate cyclase when activated. - Answer✔️✔️-Gs




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, ©SOPHIABENNET@2024/2025 Wednesday, August 21, 2024 12:13 PM


The α subunits of the _____ subfamily of G proteins interact with
phospholipase C (PLC) when activated. - Answer✔️✔️-Gq, 11

What is metabolic syndrome? - Answer✔️✔️-Condition in humans
where there is a clustering of specific pathologies that represent an
increased cardiovascular disease (CVD). Increased probability of
suffering a heart attack or stroke

What is metabolic syndrome also referred to as - Answer✔️✔️-
referred to as Syndrome X, the Insulin resistance (IR) syndrome,
and cardio metabolic syndrome (CMS)

Components of Metabolic Syndrome - Answer✔️✔️-1. Visceral obesity

2. Insulin Resistance

3. Hyperinsulinemia

4. Glucose intolerance

5. Dyslipidemia

6. Essential hypertension

Visceral obesity - Answer✔️✔️-an increase in visceral or abdominal
adipose tissue

What is the assessment of overall overweight or obesity -
Answer✔️✔️-body mass index (BMI) kg/m^2

What is a weakness to BMI? What test can we do that is more
accurate? - Answer✔️✔️-doesn't reflect fat distribution. We can do an
assessment of visceral obesity which is waist circumference via MRI


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