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UAMS biochemistry exam 4 questions & answers 2024/2025 £7.77   Add to cart

Exam (elaborations)

UAMS biochemistry exam 4 questions & answers 2024/2025

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  • UAMS Biochemistry

UAMS biochemistry exam 4 questions & answers 2024/2025 Steroid hormone - ANSWERS-Water insoluble -Slower production -Derived from cholesterol Protein - ANSWERSWater soluble, quicker action, short half-life Amine - ANSWERSShare properties of both steroid hormone and proteins Hypothal...

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  • August 28, 2024
  • 17
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • UAMS biochemistry
  • UAMS biochemistry
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UAMS biochemistry exam 4 questions &
answers 2024/2025

Steroid hormone - ANSWERS-Water insoluble

-Slower production

-Derived from cholesterol



Protein - ANSWERSWater soluble, quicker action, short half-life



Amine - ANSWERSShare properties of both steroid hormone and proteins



Hypothalamus - ANSWERSProduces many different products



Thyrotropin-releasing hormone (TRH) - ANSWERSPromotes secretion of thyroid-stimulating hormone
(TSH) and prolactin (PRL)



Gonadotropin-releasing hormone (GnRH) - ANSWERSPromotes secretion of luietenizing hormone and
follicle stimulating hormone



Somatostatin (SS) - ANSWERSInhibits growth hormone(GH) and thyroid stimulating hormone(TSH)
release



Pituitary gland - ANSWERS-Master gland

-Secretes hormones that regulate other hormones

-Needed for metabolism



Parts of the pituitary gland - ANSWERS1. Anterior pituitary - largest portion

2. Intermediate lobe

,3. Posterior pituitary - storage and release of oxytocin and vasopresin



Tropic hormone - ANSWERSHormone that stimulates the secretion of another hormone



Growth hormone - ANSWERS-Affects substrate metabolism and stimulates liver to produce more

-Effector hormone



Growth hormone function - ANSWERS-Increases cell division

-Effects bone, cartilage, adipose tissue, muscle, glucose and lipid metabolism



Prolactin - ANSWERS-Enhances breast development during pregnancy to induce lactation

-Effector hormone



Prolactinoma - ANSWERSPituitary tumor that produces excessive amount of prolactin



Thyroid Stimulating Hormone (TSH) - ANSWERS-Causes the thyroid to release T3 and T4

-Tropic hormone



Follicle stimulating hormone(FSH) - ANSWERS-Females- targets ovaries and estrogen synthesis

-Males- spermatogenesis

-Tropic hormone



Luteinizing hormone(LH) - ANSWERS-Targets ovaries and testes

-Tropic hormone



Adrenocorticotropoin hormone(ACTH) - ANSWERS-Stimulates adrenal cortex to produce cortisol

-Tropic hormone

, Hypopituitarism - ANSWERSFailure of either pituirtary or hypothalamus, loss of anterior pituitary
function



Panhypopituitarism - ANSWERSComplete loss



Monotropic hormone deficiency - ANSWERSLoss of a single hormone



Oxytocin - ANSWERS-Posterior pituitary hormone

-***Critical role in lactation

-Plays a major role in labor and parturition



Vasopressin(ADH) - ANSWERSRegulate renal free water excretion and water balance



Adrenal gland - ANSWERS-Produces steroid hormones and neuropeptides that are essential for life

-Condition affect blood pressure, electrolyte balance, and androgen excess



Adrenal cortex G zone - ANSWERS-Synthesize aldosterone, critical for sodium and potassium retention
and acid-base balance

-Mineralcorticoids



Adrenal cortex F zone - ANSWERS-Synthesize gloucocorticoids , DHEA production is produced here

-Glucocorticoids



Adrenal cortex R zone - ANSWERS-Sulfated DHEA-7 and DHEA's

-Androgens



Criteria for primary aldosteronism - ANSWERS-Aldosterone can be suppressed

-Plasma aldosteron/plasma renin activtiy >25

-Low plasma renin that fails to increased with depletion

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