Question 1

Thyroid hormones are structural derivatives of the amino acid ________.

Accepted Answer

The answer of Thyroid hormones are structural derivatives of the...

Question 2

The posterior pituitary gland secretes

Accepted Answer

A) FSH. 
B) TSH. 
C) ACTH. 
D) ADH. 
E) MSH. 
A) FSH. 
B) TSH. 
C) ACTH. 
D) ADH. 
E) MSH.

Question 3

Growth hormone does all of the following,except that it

Accepted Answer

A) promotes bone growth. 
B) promotes muscle growth. 
C) causes fat accumulation within adipocytes. 
D) is glucose sparing. 
E) promotes amino acid uptake by cells. 
A) promotes bone growth. 
B) promotes muscle growth. 
C) causes fat accumulation within adipocytes. 
D) is glucose sparing. 
E) promotes amino acid uptake by cells.

Question 4

Hormonal actions on cells include those that affect

Accepted Answer

A) quantities of enzymes. 
B) activities of enzymes. 
C) synthesis of enzymes. 
D) gating of ion channels. 
E) All of the answers are correct. 
A) quantities of enzymes. 
B) activities of enzymes. 
C) synthesis of enzymes. 
D) gating of ion channels. 
E) All of the answers are correct.

Question 5

The exocrine portion of the pancreas produces

Accepted Answer

A) insulin. 
B) glucagon. 
C) somatotropin. 
D) digestive enzymes. 
E) bile. 
A) insulin. 
B) glucagon. 
C) somatotropin. 
D) digestive enzymes. 
E) bile.

Question 6

Cholecalciferol is synthesized within the

Accepted Answer

A) bone marrow of the skeletal system. 
B) splenic pulp of the lymphatic system. 
C) endothelial linings of the cardiovascular system. 
D) hypothalamus of the nervous system. 
E) epidermis of the integumentary system. 
A) bone marrow of the skeletal system. 
B) splenic pulp of the lymphatic system. 
C) endothelial linings of the cardiovascular system. 
D) hypothalamus of the nervous system. 
E) epidermis of the integumentary system.

Question 7

Hormones known as "catecholamines" are

Accepted Answer

A) lipids. 
B) peptides. 
C) steroids. 
D) derivatives of the amino acid tyrosine. 
E) derivatives of reproductive glands. 
A) lipids. 
B) peptides. 
C) steroids. 
D) derivatives of the amino acid tyrosine. 
E) derivatives of reproductive glands.

Question 8

Secretory cells of the adenohypophysis release

Accepted Answer

A) FSH. 
B) TSH. 
C) ACTH. 
D) GH. 
E) All of the answers are correct. 
A) FSH. 
B) TSH. 
C) ACTH. 
D) GH. 
E) All of the answers are correct.

Question 9

Which of the following is a known effect of thyroid hormone on peripheral tissues?

Accepted Answer

A) increased oxygen consumption 
B) increased heart rate 
C) increased sensitivity to adrenergic stimulation 
D) increased body temperature 
E) All of the answers are correct. 
A) increased oxygen consumption 
B) increased heart rate 
C) increased sensitivity to adrenergic stimulation 
D) increased body temperature 
E) All of the answers are correct.

Question 10

Which of these statements about melatonin is false?

Accepted Answer

A) exposure to light inhibits production 
B) exposure to light stimulates production 
C) inhibits releases of GnRH 
D) produced by pinealocytes 
E) made from serotonin 
A) exposure to light inhibits production 
B) exposure to light stimulates production 
C) inhibits releases of GnRH 
D) produced by pinealocytes 
E) made from serotonin

Question 11

The zona glomerulosa of the suprarenal cortex produces

Accepted Answer

A) androgens. 
B) glucocorticoids. 
C) mineralocorticoids. 
D) epinephrine. 
E) norepinephrine. 
A) androgens. 
B) glucocorticoids. 
C) mineralocorticoids. 
D) epinephrine. 
E) norepinephrine.

Question 12

Figure 18-1 Pituitary Hormones and Their Targets
Use Figure 18-1 to answer the following question:
-Identify the hormone labeled "5."

Accepted Answer

A) thyroid-releasing hormone 
B) thyroid-stimulating hormone 
C) thyroxin 
D) thyrotropin 
E) parathyroid hormone (PTH) 
A) thyroid-releasing hormone 
B) thyroid-stimulating hormone 
C) thyroxin 
D) thyrotropin 
E) parathyroid hormone (PTH)

Question 13

If the adenyl cyclase activity of liver cells were missing,which of these hormones could no longer stimulate release of glucose?

Accepted Answer

A) insulin 
B) glucagon 
C) cortisol 
D) thyroxine 
E) leptin 
A) insulin 
B) glucagon 
C) cortisol 
D) thyroxine 
E) leptin

Question 14

Mental and physical sluggishness and low body temperature may be signs of

Accepted Answer

A) hyperthyroidism. 
B) hypothyroidism. 
C) hyperparathyroidism. 
D) hypoparathyroidism. 
E) diabetes insipidus. 
A) hyperthyroidism. 
B) hypothyroidism. 
C) hyperparathyroidism. 
D) hypoparathyroidism. 
E) diabetes insipidus.

Question 15

The link between a first messenger and a second messenger in a cell that responds to peptide hormones is usually

Accepted Answer

A) cAMP. 
B) cGMP. 
C) adenyl cyclase. 
D) a G protein. 
E) calcium ion levels. 
A) cAMP. 
B) cGMP. 
C) adenyl cyclase. 
D) a G protein. 
E) calcium ion levels.

Question 16

A hormone that is synergistic to growth hormone is

Accepted Answer

A) aldosterone. 
B) insulin. 
C) cortisol. 
D) calcitonin. 
E) renin. 
A) aldosterone. 
B) insulin. 
C) cortisol. 
D) calcitonin. 
E) renin.

Question 17

The hormone oxytocin

Accepted Answer

A) promotes uterine contractions. 
B) is responsible for milk expression from the mammary glands. 
C) triggers prostate gland contraction. 
D) is produced in the hypothalamus. 
E) All of the answers are correct. 
A) promotes uterine contractions. 
B) is responsible for milk expression from the mammary glands. 
C) triggers prostate gland contraction. 
D) is produced in the hypothalamus. 
E) All of the answers are correct.

Question 18

The endocrine system regulates physiological processes through the binding of hormones to ________ on target cells.

Accepted Answer

The answer of The endocrine system regulates physiological processes through...

Question 19

Jane lives in Appalachia and suffers from hypothyroidism.Her thyroid gland is enlarged,her body temperature is low,and her hair and skin look brittle and dry.Blood tests show very low levels of circulating iodine,T3,and T4,but high levels of TSH.What is your diagnosis? What treatment would you recommend?

Accepted Answer

Jane appears to suffer from nutritional

Question 20

The delta cells of the pancreatic islets produce

Accepted Answer

A) insulin. 
B) glucagon. 
C) somatostatin. 
D) cortisol. 
E) peptide P. 
A) insulin. 
B) glucagon. 
C) somatostatin. 
D) cortisol. 
E) peptide P.

Exam 18: The Endocrine System

Thyroid hormones are structural derivatives of the amino acid ________.

The posterior pituitary gland secretes

Growth hormone does all of the following,except that it

Hormonal actions on cells include those that affect

The exocrine portion of the pancreas produces

Cholecalciferol is synthesized within the

Hormones known as "catecholamines" are

Secretory cells of the adenohypophysis release

Which of the following is a known effect of thyroid hormone on peripheral tissues?

Which of these statements about melatonin is false?

The zona glomerulosa of the suprarenal cortex produces

Figure 18-1 Pituitary Hormones and Their Targets Use Figure 18-1 to answer the following question: -Identify the hormone labeled "5."

If the adenyl cyclase activity of liver cells were missing,which of these hormones could no longer stimulate release of glucose?

Mental and physical sluggishness and low body temperature may be signs of

The link between a first messenger and a second messenger in a cell that responds to peptide hormones is usually

A hormone that is synergistic to growth hormone is

The hormone oxytocin

The endocrine system regulates physiological processes through the binding of hormones to ________ on target cells.

The delta cells of the pancreatic islets produce

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System

Osseous Tissue and Bone Structure

The Axial Skeleton

The Appendicular Skeleton

Articulations

Muscle Tissue

The Muscular System

Neural Tissue

The Spinal Cord, spinal Nerves, and Spinal Reflexes

The Brain and Cranial Nerves

Neural Integration I: Sensory Pathways and the Somatic Nervous System

Neural Integration Ii: the Autonomic Nervous System and

The Special Senses

Blood

The Heart

Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism and Energetics

The Urinary System

Fluid, electrolyte, and Acid-Base Balance

The Reproductive System

Development and Inheritance

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