Question 1

Which cells of the thyroid produce calcitonin?

Accepted Answer

A)  oxyphil cells 
B)  parafollicular cells 
C)  chief cells 
D)  follicle cells B

Question 2

A young child was brought to the hospital with multiple bone breaks.It is determined that the child's osteoclasts are overactive.Which hormone is most likely to be elevated?

Accepted Answer

A)  natriuretic peptide 
B)  thyroxine 
C)  calcitonin 
D)  parathyroid hormone D

Question 3

Which region of the pituitary produces melanocyte-stimulating hormone in fetuses,young children,and pregnant women?

Accepted Answer

A)  hypothalamus 
B)  adenohypophysis 
C)  pars intermedia 
D)  neurohypophysis C

Question 4

Testosterone is produced in which of the following cells?

Accepted Answer

A)  oocyte 
B)  follicular cells 
C)  spermatogenic cells 
D)  interstitial cells

Question 5

A patient is shown to have very low levels of thyroid hormones.The body will respond by elevating which hormone?

Accepted Answer

A)  growth hormone 
B)  adrenocorticotropic hormone 
C)  prolactin 
D)  thyroid-stimulating hormone

Question 6

A morbidly obese man has been diagnosed with type 2 diabetes.Which of the following hormones is not being utilized effectively?

Accepted Answer

A)  calcitriol 
B)  pancreatic polypeptide 
C)  insulin 
D)  glucagon

Question 7

A 25-year-old woman has noticed that she has a high body temperature and has lost weight despite eating a lot of food.Which gland is most likely to be overactive?

Accepted Answer

A)  thymus 
B)  parathyroid 
C)  thyroid 
D)  adrenal cortex

Question 8

What hormone is produced by the chief cells?

Accepted Answer

A)  calcitonin 
B)  calcitriol 
C)  parathyroid hormone 
D)  growth hormone

Question 9

Which hormone is produced by the thyroid gland?

Accepted Answer

A)  thymosin 
B)  thyroxine 
C)  natriuretic peptides 
D)  parathyroid hormone

Question 10

Which type of pancreatic cell produces somatostatin?

Accepted Answer

A)  beta cells 
B)  F cells 
C)  alpha cells 
D)  delta cells

Question 11

Where is antidiuretic hormone (ADH)produced?

Accepted Answer

A)  pituitary 
B)  pineal gland 
C)  adrenal medulla 
D)  hypothalamus

Question 12

The production of what hormone is influenced by parathyroid hormone?

Accepted Answer

A)  calcitriol 
B)  triiodothyronine 
C)  thyroxine 
D)  luteinizing hormone

Question 13

Seasonal affective disorder (SAD)has been linked to increased production and secretion of a specific hormone.Where is this hormone produced and secreted?

Accepted Answer

A)  anterior pituitary 
B)  thyroid 
C)  pineal gland 
D)  posterior pituitary

Question 14

Which of the following hormones will trigger ovulation in females?

Accepted Answer

A)  luteinizing hormone 
B)  thyroid-stimulating hormone 
C)  oxytocin 
D)  growth hormone

Question 15

What structure secretes melatonin?

Accepted Answer

A)  pineal gland 
B)  posterior pituitary 
C)  anterior pituitary 
D)  hypothalamus

Question 16

A 22-year-old female is given the results of her blood test and she notices that her calcium levels are high.Which of the following hormones is most likely to be elevated?

Accepted Answer

A)  calcitonin 
B)  thyroid-stimulating hormone 
C)  parathyroid hormone 
D)  prolactin

Question 17

A 45-year-old man has experienced a thickening of the bones of his wrist and face.Laboratory testing has revealed an increased production of one hormone that could be caused by a tumor.Where is the most likely location of the tumor?

Accepted Answer

A)  posterior pituitary 
B)  pancreas 
C)  anterior pituitary 
D)  thyroid

Question 18

Which of the following hormones is produced in the zona fasciculata?

Accepted Answer

A)  glucocorticoids 
B)  mineralocorticoids 
C)  estrogens 
D)  androgens

Question 19

Where in the adrenal gland is cortisol produced?

Accepted Answer

A)  zona glomerulosa (of adrenal cortex) 
B)  zona fasciculata (of adrenal cortex) 
C)  zona reticularis (of adrenal cortex) 
D)  adrenal medulla

Question 20

Which cells of the pancreatic islets produce glucagon?

Accepted Answer

A)  delta cells 
B)  F cells 
C)  beta cells 
D)  alpha cells

Exam 19: The Endocrine System