Which of the following correctly describes the anatomical relationship between the pituitary gland and the hypothalamus?
The hypothalamus is posterior to the pituitary gland.
The hypothalamus is located within the sella turcica.
The pituitary gland is superior to the hypothalamus.
The pituitary gland is connected to the hypothalamus by the infundibulum.
The Correct Answer is D
A. The hypothalamus is posterior to the pituitary gland: The hypothalamus is actually superior (above) and connected to the pituitary; it is not located posterior to the pituitary.
B. The hypothalamus is located within the sella turcica: The sella turcica is the bony depression in the sphenoid bone that houses the pituitary gland, not the hypothalamus, which lies superior to it in the diencephalon.
C. The pituitary gland is superior to the hypothalamus: The pituitary lies inferior to the hypothalamus; it is not superior.
D. The pituitary gland is connected to the hypothalamus by the infundibulum: The infundibulum (pituitary stalk) physically connects the hypothalamus to the pituitary, allowing neural and vascular communication between them.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. B:Blood type B contains B antigens and anti-A antibodies; transfusing B into an O recipient (who has anti-A and anti-B) would cause a hemolytic reaction.
B. 0:Type O blood (often written "O") lacks A and B antigens and is compatible with a type O recipient; type O recipients, however, generally can only receive type O blood.
C. AB:Type AB blood has both A and B antigens and would be incompatible with a type O recipient who has antibodies against both.
D. A:Type A blood contains A antigens and anti-B antibodies; transfusing A into an O recipient would trigger a reaction due to anti-A/B antibodies in the recipient.
Correct Answer is A
Explanation
A. It regulates the release of hormones from the pituitary gland:The hypothalamus produces releasing and inhibiting hormones and sends neural signals that control both anterior and posterior pituitary hormone secretion.
B. It secretes thyroid hormones directly into the bloodstream:Thyroid hormones are produced and secreted by the thyroid gland, not the hypothalamus.
C. It stores hormones produced by the adrenal glands:The hypothalamus does not store adrenal hormones; the adrenal glands synthesize and release their own hormones.
D. It produces insulin for glucose regulation:Insulin is produced by pancreatic beta cells in the islets of Langerhans, not by the hypothalamus.
Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.
Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today
Report Wrong Answer on the Current Question
Do you disagree with the answer? If yes, what is your expected answer? Explain.
Kindly be descriptive with the issue you are facing.