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 B
Explanation
A. Jaundice, implantation: Jaundice and implantation are unrelated to testes or scrotum.
B. Temperature, fertility: The scrotum maintains a temperature slightly cooler than body temperature, which is necessary for sperm production and fertility.
C. Infection, sterility: While infection can cause sterility, the descent of the testes primarily addresses temperature regulation.
D. Cyanosis, ischemia: These are circulatory issues not directly related to testicular descent.
Correct Answer is D
Explanation
A. Urethra:
The urethra is the passageway for urine and semen but not where sperm matures.
B. Vas deferens:
The vas deferens transports mature sperm but does not play a role in maturation.
C. Ejaculatory ducts:
These ducts conduct sperm to the urethra but do not aid in maturation.
D. Epididymis:
The epididymis is the site where sperm mature and are stored.
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