T3 and T4 are:
Secretes in response to elevated glucose levels
Secretes in response to decreasing calcium blood levels
Secreted by the parathyroid gland
Secreted by the thyroid gland
The Correct Answer is D
A. Secreted in response to elevated glucose levels: T3 and T4 regulate metabolism, not glucose.
B. Secreted in response to decreasing calcium blood levels: This describes PTH, not T3/T4.
C. Secreted by the parathyroid gland: T3 and T4 are secreted by the thyroid gland.
D. Secreted by the thyroid gland: T3 (triiodothyronine) and T4 (thyroxine) are thyroid hormones involved in metabolic regulation.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Low blood volume and hypotension: Aldosterone promotes sodium and water retention; its deficiency leads to fluid loss and low BP.
B. High blood pressure: Aldosterone excess, not deficiency, would raise BP.
C. Low blood potassium levels: Aldosterone promotes potassium excretion; deficiency would raise potassium levels.
D. Goiter formation: Goiter is associated with thyroid dysfunction, not aldosterone.
Correct Answer is B
Explanation
A. Causes the release of hormones that form the Graafian follicle: Hormones like FSH and LH stimulate the development of the Graafian follicle; ovulation is the release of an egg from it.
B. Normally occurs on day 14 of a 28-day cycle: Ovulation typically occurs mid-cycle around day 14.
C. Normally occurs on day 28 of a 28-day cycle: Day 28 is usually the end of the cycle when menstruation begins, not ovulation.
D. Is caused by the secretion of hCG: Ovulation is triggered by a surge in luteinizing hormone (LH), not hCG.
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