ATI LPN
ATI Quiz Medical Surgical Endocrine Questions
Question 1 of 5
Calcium plays an important role in __________.
Correct Answer: D
Rationale: Calcium is critical for nerve signaling, muscle contraction, and clotting.
Question 2 of 5
Anabolic steroids are ______ forms of testosterone.
Correct Answer: B
Rationale: Anabolic steroids are synthetic derivatives of testosterone.
Question 3 of 5
Which of the following lab data would be consistent with primary hypothyroidism?
Correct Answer: C
Rationale: Primary hypothyroidism (thyroid failure) shows low thyroid hormone production, reducing radioiodine uptake, with elevated TSH.
Question 4 of 5
The endocrine gland(s) that sits on top of the kidneys and secretes both metabolic stabilizers and stress regulators:
Correct Answer: B
Rationale: The adrenal glands, located atop the kidneys, secrete cortisol (metabolic stabilizer) and adrenaline (stress regulator).
Question 5 of 5
Secretion of oxytocin is increased by
Correct Answer: B
Rationale: Suckling and dilation of the cervix are the physiologic stimuli for oxytocin secretion. Milk ejection is the result of oxytocin action, not the cause of its secretion. Prolactin secretion is also stimulated by suckling, but prolactin does not directly cause oxytocin secretion. Increased extracellular fluid (ECF) volume and hyperosmolarity are the stimuli for the secretion of the other posterior pituitary hormone, antidiuretic hormone (ADH).