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adrenal

Quiz by Barbara Caiquo

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54 questions
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  • Q1
    What are the catecholamines produced by the adrenal medulla?
    Oxytocin and vasopressin
    Aldosterone and cortisol
    Epinephrine and norepinephrine
    Dopamine and serotonin
    30s
  • Q2
    Which part of the adrenal gland produces catecholamines?
    Pancreas
    Pituitary gland
    Cortex
    Medulla
    30s
  • Q3
    What type of hormones does the cortex produce?
    Glucocorticoids, mineralocorticoids, and adrenal androgens
    Growth hormone
    Thyroid hormones
    Insulin
    30s
  • Q4
    Which part of the adrenal gland is responsible for producing hormones that regulate metabolism and electrolyte balance?
    Pituitary gland
    Thymus
    Cortex
    Medulla
    30s
  • Q5
    Which hormones produced by the adrenal gland are involved in the body's 'fight or flight' response?
    Catecholamines
    Mineralocorticoids
    Adrenal androgens
    Glucocorticoids
    30s
  • Q6
    Which layer of the adrenal cortex produces mineralocorticoids?
    Zona reticularis
    Zona fasciculata
    Zona glomerulosa
    Zona externa
    30s
  • Q7
    Which layer of the adrenal cortex produces glucocorticoids?
    Zona reticularis
    Zona intermedia
    Zona glomerulosa
    Zona fasciculata
    30s
  • Q8
    Which layer of the adrenal cortex produces androgen precursors?
    Zona glomerulosa
    Zona fasciculata
    Zona medulla
    Zona reticularis
    30s
  • Q9
    Which precursor is mainly produced by the zona reticularis in the adrenal cortex?
    Dehydroepiandrosterone (DHEA)

    Cortisol
    Epinephrine
    Aldosterone
    30s
  • Q10
    Which enzyme is responsible for the conversion of cholesterol to pregnenolone in the adrenal cortex?
    Cholesterol side-chain cleavage enzyme (CYP11A1)
    17-alpha hydroxylase
    11-beta hydroxylase
    Aldosterone synthase
    30s
  • Q11
    Which hormone is predominantly produced by the zona fasciculata in the adrenal cortex?
    DHEA
    Epinephrine
    Cortisol
    Aldosterone
    30s
  • Q12
    Which is the most abundant glucocorticoid produced by the adrenal cortex?
    Aldosterone
    Cortisol
    DHEA
    Epinephrine
    30s
  • Q13
    What is the function of Steroidogenic acute regulatory protein (StAR) in cholesterol transport within the cell?
    Detoxifies excess cholesterol in the cytoplasm
    Inhibits cholesterol uptake by the cell
    Converts cholesterol to pregnenolone
    Regulates cholesterol transport from the outer mitochondrial membrane to the inner mitochondrial membrane
    30s
  • Q14
    Which zone of the adrenal cortex expresses the rate-limiting enzyme CYP11A1?
    Zona fasciculata
    Zona glomerulosa
    Zona reticularis
    All three zones
    30s
  • Q15
    Which enzyme catalyzes the rate-limiting step of steroid hormone production?
    CYP11A1 (cholesterol desmolase, or cholesterol side-chain cleavage, P450scc)
    ACTH
    StAR
    Pregnenolone
    30s

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