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