A hormone whose over secretion in pregnancy stimulates melanocytes in skin to produce brown pigment melanin which darkness the skin is produced by:

Related Mcqs:

1. A hormone produced by mucosa of the pyloric region of the stomach that stimulates the secretion of gastric juice is:

   A. Prolactin B. Gastrin C. Secretin D. None of these...

2. A hormone produced from the duodenum that effects the pancreas to produce and release pancreatic juice is:

   A. Oxytocin B. Gastrin C. secretin D. Pancreatin...

3. The part of forebrain also acts an endocrine gland and is believed to produce oxytocin and antidiuretic hormone (ADH):

   A. Thalamus B. Hypothalamus C. Amygdala D. Cerebrum...

4. Too much cortisol hormone is produced during:

   A. Addison’s disease B. Cushing’s disease C. Graves disease D. All of the above...

5. The hormone produced by thyroid gland include:

   A. Thyroxine B. Tri-iodothyronine (T3) C. Calcitonin D. All of the above...

6. One of the followings stimulates the interstitial cells of testes in males to secrete testosterone:

   A. Follicle stimulating hormone B. Luteinizing hormone C. Prolactin D. Vasopressin...

7. Which of the followings stimulates the parathyroid gland?

   A. High levels of Ca++ions B. Low levels of Ca++ions C. Lack of iodine D. Deficiency of thyroxine...

8. Which of the following stimulates milk production?

   A. follicle stimulating hormone B. Luteinizing hormone C. Prolactin D. Vasopressin...

9. A chest implant that intermittently stimulates the vagus nerve has been used to treat some patients with:

   A. bulimia B. anxiety disorders C. schizophrenia D. chronic depression...

10. The process in which your eyes adjust from darkness to bright light is called _______________?

    A. dark adaptation B. light adaptation C. coding of contrast D. coding of light intensity patterns...