28 Questions
Which region of the adrenal gland is responsible for producing mineralocorticoids like aldosterone?
Zona Fasciculata
What is the function of the adrenal medulla during an acute response, such as 'fight or flight'?
Increases blood pressure
What disorder is characterized by hypersecretion of cortisol, causing high blood glucose and lipid deposits on the face and neck?
Cushing's disease
Where is the pineal gland located in the human body?
Posterior to the thalamus
Which hormone influences the development of the male reproductive system, mature sperm cells, and male secondary sex characteristics?
Testosterone
What is the function of the Zona Reticularis in the adrenal cortex?
Produces small amount of androgens
What is the immediate stimulus for growth, particularly in bones?
Insulin-like Growth Factor-1
Which hormone decreases with age, leading to a lower metabolic rate?
Thyroid gland
What contributes to the maturation and differentiation of T lymphocytes but atrophies as we age?
Thymosins
Which hormone is associated with a decline in ovarian function and hormone levels during menopause?
Osteocalcin
What is the primary function of Inhibin?
Inhibits secretion of FSH
Which hormone is responsible for preparing the breasts for lactation?
hPL
What is the role of Somatostatin in the endocrine pancreas?
Inhibits secretion of insulin and glucagon
Which hormone stimulates erythrocyte production in the bone marrow?
EPO
What is the function of Leptin in adipose tissue?
Stimulates satiety and increases hunger if levels are low
What is the primary function of Renin in the kidneys?
Increases blood pressure and blood volume
What is the primary method of secretion for hormones in the endocrine system?
Release into the bloodstream
Which of the following hormones is produced by the hypothalamus and stimulates uterine contractions and dilation of the cervix?
Oxytocin
Which hormone regulates the function of the thyroid gland?
Thyroid-Stimulating Hormone (TSH)
Which hormone influences metabolic rate, nutrient breakdown, and ATP production?
Thyroid hormone
What is the primary function of calcitonin released by the thyroid gland?
Decrease blood calcium levels
Which hormone is responsible for raising blood calcium levels and releasing calcium from bones?
Parathyroid hormone (PTH)
Which of the following hormones stimulates lactation only during pregnancy?
Prolactin
What is the primary method of long-distance communication for maintaining homeostasis in the body?
Endocrine system signaling
What is the role of an autocrine chemical in cellular communication?
Elicits a response in the same cell
Which statement best describes the action of hydrophilic hormones on target cells?
They require a second messenger system
What can happen if cells decrease their receptors and become less reactive to excessive hormone levels?
Downregulation
What is the primary role of the infundibulum in the endocrine system?
To connect the anterior pituitary and hypothalamus
Explore your knowledge of reproductive hormones and their functions in the human body. Test your understanding of inhibin, estrogens, progesterone, and hormones produced by the placenta such as relaxin, hCG, and hPL.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
