In the following diagram, which of the following hormones is produced in zone of the adrenal gland labeled as D?
Glucocorticoids
Mineralocorticoids
Catecholamines
Androgens
Epinephrine
The Correct Answer is A
a) Glucocorticoids: The zona fasciculata is the middle layer of the adrenal cortex. It primarily secretes glucocorticoids, mainly cortisol, which helps regulate metabolism, immune response, and stress adaptation.
b) Mineralocorticoids: Mineralocorticoids like aldosterone are produced in the zona glomerulosa, the outermost layer of the adrenal cortex.
c) Catecholamines: Catecholamines (e.g., epinephrine and norepinephrine) are produced in the adrenal medulla, not the cortex.
d) Androgens: Androgens (e.g., DHEA) are produced in the zona reticularis, the innermost layer of the adrenal cortex.
e) Epinephrine: Epinephrine is a catecholamine produced in the adrenal medulla. It is not produced in any zone of the adrenal cortex, including the zona fasciculata.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
a) O−, O+, A−, A+: O−: Universal donor, safe. O+: Rh+ and no A or B antigens → acceptable. A−: Same ABO group, Rh−, safe. A+: Exact match. Safest.
b) A+ only: A+ is safe, but it’s too restrictive. The patient can safely receive A−, O+, and O− too.
c) A+, AB+: A+ is correct and safe. AB+ is not safe: it contains B antigens, which this patient’s plasma has anti-B antibodies against. This would cause a hemolytic transfusion reaction.
d) O− only: O− is the universal donor and always safe, but it’s too restrictive. A+ patients can also receive O+, A−, and A+ safely.
Correct Answer is B
Explanation
a) Hypophysectomized rat treated with thyroxine: Thyroxine suppresses TSH; no goiter forms.
b) Hypophysectomized rat treated with TSH: TSH directly stimulates thyroid tissue growth, leading to goiter even if the pituitary is absent.
c) Thyroidectomized rat treated with PTU: No thyroid = no goiter can form, and PTU inhibits thyroid hormone production, not causing growth in absent tissue.
d) Thyroidectomized rat treated with TSH: Without thyroid tissue, TSH has no target to stimulate.
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