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Pathophysiology Exam 4 - UTA (Urban) Questions and Answers 100% Pass
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Pathophysiology Exam 4 - UTA (Urban) Questions and Answers 100% Pass Antidiuretic Hormone (ADH) - secreted to fix low fluid volume. Tells the kidneys to hang on to water. Fluids conserved and fluid volume goes up. Used in conjunction with the RAAS. Thyroid-stimulating Hormone (TSH) - produce ...

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  • February 26, 2025
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  • 2024/2025
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Pathophysiology Exam 4 - UTA
(Urban) Questions and Answers 100%
Pass


Antidiuretic Hormone (ADH) - ✔✔secreted to fix low fluid volume. Tells the kidneys

to hang on to water. Fluids conserved and fluid volume goes up. Used in conjunction

with the RAAS.


Thyroid-stimulating Hormone (TSH) - ✔✔produce release or store the 3 thyroid

hormones.


thyroxine (T4) and triodothyronine (T3),


calcitonin - increase calcium movement from blood to bone


Adrenocorticotropic Hormone (ACTH)— - ✔✔


ADH Undersecretion - ✔✔DIABETES INSIPUDUS - too much fluid being lost. you

won't "hold onto" water effectively --water will indiscriminately flow from the

peritubular capillaries of the kidneys into the tubules and becomes very dilute urine.




100% Pass Guarantee Sophia Bennett, All Rights Reserved © 2025 1

,Diabetes Insipidus - ✔✔Pass too much "flavorless" Urine (very dilute)


think of the D as down or decreased ADH, Dieresis, body is Dry.


Renal-Related under-secretion of ADH - ✔✔Sick kidneys have a decreased response to

ADH.


CNS related Under-secretion of ADH - ✔✔Pituitary Tumor


Head Injury


Cerebral Edema & IICP (increased inter cranial pressure)


Polyuria - ✔✔Voiding huge amounts of dilute urine.


S&S of ADH undersecertion - ✔✔void huge amounts of dilute water Pulyuria - thirsty-

blood compartment has less water - concentration increases


Think fluid volume deficit = low preload - from tissue to blood domino effect


Syndrome of Inappropriate Antidiuretic Hormone (SIADH) - ✔✔Oversecretion of ADH


What can trigger SIADH? - ✔✔Ectopic - small-cell bronchogenic cancer


Various Drugs - anesthetics - post-op


Trauma to brain - tumor or injury - pressure that causes pituitary to over-secrete


Oliguria - ✔✔body holding on to water int he vascular space


Person has a low GFR, goes from normal 30ml/hr to 15ml/hr.


100% Pass Guarantee Sophia Bennett, All Rights Reserved © 2025 2

,A person who is edemitous and has high preload - ✔✔SIADH - too much fluid retained,

fluid shifted to the tissues.


Poor skin turgor, sunken eyes, dry mucous membranes - ✔✔ADH


Iodide - ✔✔T3 & T4 hormones depend on this for uptake from the blood


T3 & T4 act - ✔✔metabolic rate


caloric requirements


oxygen consumption


carbohydrate & lipid metabolism


growth & development


brain & nervous system functions


Understand the Negative Feedback of Thyroid function - ✔✔drop in levels of thyroid

hormones (T3 & T4) in the bloodstream causes pituitary stimulated which increases its

secretion of TSH thyroid stimulated to release more T3 & T4. once balance is restored

there is a suppress of TSH secretion from pituitary.


Hyperthyroidism - ✔✔is the state of having excess T3 & T4 production and release


Graves Disease - ✔✔an autoimmune disorder in which autoantibodies attack/stimulate

TSH receptors on the thyroid.




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, the autoantibodies "mimick" TSH - results in thyroid secreting more T3 & T4.


Graves Disease S&S - ✔✔In overdrive. Hypermetabolic


Hyperthyroidism S&S - ✔✔PSYCH/CNS—nervous, irritable, tremors, insomnia,

emotionally labile, sometimes psychosis (hallucinations, paranoia)


CARDIOVASCULAR—tachycardia, increased afterload, sometimes HF due to

increased heart workload


GI—increased appetite, diarrhea


HAIR CHANGES


hair follicles are very sensitive to your metabolic state & get "stressed" by too much

thyroid hormone—hair thins out or falls out (alopecia).


Exophthalmus - ✔✔bulging eyes from deposits of excess tissue behind eyes


Goiter - ✔✔Enlargement of the thyroid gland . Can be in both Hyper and Hypo.


Goiter in Hyperthyroidism - ✔✔in hyperthyroidism the enlargement is a result of

overactive cells


Goiter in Hypothyroidism - ✔✔in hypothyroidism the enlargement is a result of

compensatory change




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