Which of the following glands regulates the release of the hormone testosterone?
Anterior pituitary
Thyroid
Parathyroid
Posterior pituitary
The Correct Answer is A
A. Anterior pituitary:
The anterior pituitary gland regulates the release of testosterone by secreting luteinizing hormone (LH. , which stimulates the Leydig cells in the testes to produce testosterone. This hormonal regulation is crucial for maintaining testosterone levels and reproductive function, making this the correct answer.
B. Thyroid:
The thyroid gland is involved in regulating metabolism and growth through hormones such as thyroxine (T4. and triiodothyronine (T3. . It does not directly regulate testosterone production.
C. Parathyroid:
The parathyroid glands are responsible for regulating calcium and phosphate balance in the body through the secretion of parathyroid hormone (PTH. . They do not play a role in regulating testosterone levels.
D. Posterior pituitary:
The posterior pituitary gland releases hormones like antidiuretic hormone (ADH. and oxytocin, but it does not regulate testosterone production. The regulation of testosterone primarily involves the anterior pituitary gland and its secretion of LH.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Binds tissue together and supports structures: Connective tissue provides structural support and binds different tissues and organs together. It plays a key role in maintaining the integrity of organs and tissues, and includes various types such as bone, cartilage, and blood, which contribute to the overall framework and function of the body.
B. Contracts and brings about movement: This function is primarily associated with muscle tissue, not connective tissue. Muscle tissue is responsible for contraction and movement, including voluntary movements (skeletal muscle. and involuntary movements (cardiac and smooth muscle. .
C. Generates and transmits impulses: This describes the function of nervous tissue, which includes neurons and glial cells. Nervous tissue is responsible for generating and transmitting electrical impulses throughout the body.
D. Covers and lines body surfaces: This function is characteristic of epithelial tissue. Epithelial tissue forms protective layers and linings on body surfaces and cavities, rather than providing structural support like connective tissue.
Correct Answer is C
Explanation
A. Increased osmotic pressure: Increased osmotic pressure would generally cause fluid to be reabsorbed into the capillaries from the interstitial spaces, rather than moving out of the capillaries to form lymph. This is because osmotic pressure typically pulls water into areas of higher solute concentration.
B. Decreased osmotic pressure: Decreased osmotic pressure would lead to less fluid being drawn back into the capillaries from the interstitial spaces, potentially leading to an accumulation of fluid in the tissues. However, this scenario alone does not directly contribute to the production of lymph, which requires the movement of fluid out of the capillaries.
C. Increased hydrostatic pressure: Increased hydrostatic pressure within the capillaries forces fluid out of the capillaries and into the interstitial spaces. This movement of fluid is essential for the formation of lymph, as it enters the lymphatic capillaries and becomes lymph. This pressure difference drives the filtration process needed to produce lymph.
D. Decreased hydrostatic pressure: Decreased hydrostatic pressure would reduce the force pushing fluid out of the capillaries into the interstitial spaces, thereby diminishing the production of lymph. Lymph formation relies on a higher hydrostatic pressure in the capillaries compared to the surrounding tissues.
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