Endocrine

Hormone Classification

100

Which of the following is NOT one of the chemical classifications of hormones?

a. Peptide

b. Lipid

c. Amino acid derivative

d. Nucleic acid derivative

d. Nucleic acid derivative

200

Which of these types of hormones binds to a plasma membrane receptor?

a. Peptide hormone

b. Thyroid hormone

c. Steroid hormone

d. Eicosanoid

a. Peptide hormone

300

Which of the following is activated by a steroid hormone?

a. G protein

b. ATP production

c. Genes (DNA)

d. Open Ca^2+ channels

c. Genes (DNA)

400

Which of the following organs does NOT secrete at least one steroid hormone?

a. Ovary

b. Adrenal gland

c. Pancreas

c. Pancreas

Hypothalamus and Pituitary

100

Which of the following is produced in the hypothalamus and released from the posterior lobe of the pituitary?

a. Thyroid hormone

b. Thyroid-stimulating hormone

c. Antidiuretic hormone

d. Growth hormone

c. Antidiuretic hormone

200

Which of the following is directly controlled by regulating hormones secreted by the hypothalamus?

a. Thyroid gland

b. Posterior pituitary gland

c. Anterior pituitary gland

d. Adrenal gland

c. Anterior pituitary gland

Thyroid and Parathyroids

100

What element is particularly required for the manufacturing of thyroxine?

a. Iron

b. Iodine

c. Sodium

d. Calcium

b. Iodine

200

How is thyroxine stored by the cells that manufacture it?

a. As thyroglobulin

b. In lipid vacuoles

c. Within the bloodstream

d. Within the secretory vesicles

a. As thyroglobulin

300

What hormone is secreted when blood calcium concentration drops below normal?

a. Calcitonin

b. Calcitriol

c. Parathyroid hormone

d. Thyroxine

c. Parathyroid hormone

400

Which of the following is NOT a target organ of PTH and/or calcitonin?

a. Kidney

b. Liver

c. Bone

d. Intestine

b. Liver

500

Which of the following hormones will INCREASE in concentration if there is a dietary deficiency of iodine?

a. Thyroxine

b. Tri-iodothyronine

c. TSH

d. Calcitonin

c. TSH

Pancreas and Adrenals

100

Which of the following hormones is secreted by the pancreas?

a. Growth hormone

b. Epinephrine

c. Cortisol

d. Glucagon

d. Glucagon

200

Which of the following hormones is secreted by the adrenal medulla?

a. Epinephrine

b. Cortisol

c. Aldosterone

d. Calcitriol

a. Epinephrine

300

Which of the following is the main target organ of aldosterone?

a. Liver

b. Kidney

c. Pancreas

d. Adrenal gland

b. Kidney

400

Which of the following endocrine cells become active shortly after a full meal?

a. Alpha cells

b. Beta cells

c. Zona glomerulosa cells

d. Zona fasciculata cell

b. Beta cells

500

Which of the following does NOT raise blood glucose concentration?

a. Epinephrine

b. Growth hormone

c. Cortisol

d. Aldosterone

d. Aldosterone

System Integration and Disorders

100

When two hormones bind to the same target cell, and the resulting stimulation is greater than the effect of either hormone alone, what is the effect called?

a. Permissive

b. Antagonistic

c. Synergistic

d. Integrative

c. Synergistic

200

Which of these hormones does NOT help regulate blood pressure?

a. ADH

b. Glucagon

c. Aldosterone

d. Natriuretic

b. Glucagon

300

Which of these is involved in the resistance phase of the stress response?

a. Release of glucocorticoids

b. Increased sweat gland secretion

c. Fluid and electrolyte imbalance

d. Activation of the immune system

a. Release of glucocorticoids

400

What hormone is hyper secreted in Cushing disease?

a. Aldosterone

b. Cortisol

c. Insulin

d Thyroxine

b. Cortisol

500

Which of the following disorders often leads to retinopathy, nephropathy, and neuropathy?

a. Diabetes mellitus

b. Cushing disease

c. Addison disease

d. Grave disease

a. Diabetes mellitus