Question 1

Oxytocin and vasopressin are carried in the hypothalamic-hypophyseal portal system.

Accepted Answer

A) True 
 B)False

Question 2

Which of these statements describes growth hormone

Accepted Answer

A) Levels in the blood are directly correlated with the rate of growth throughout life. 
B) It stimulates the secretion of somatomedins. 
C) It stimulates osteoclast activity. 
D) Excessive levels in adults will cause the disease called gigantism. 
A) Levels in the blood are directly correlated with the rate of growth throughout life. 
B) It stimulates the secretion of somatomedins. 
C) It stimulates osteoclast activity. 
D) Excessive levels in adults will cause the disease called gigantism.

Question 3

Match the hormones, labelled a. through d., with the characteristics.
-synthesized by the endoplasmic reticulum-Golgi complex system

Accepted Answer

A) steroids 
B) catecholamines 
C) peptides 
D) thyroid hormone 
A) steroids 
B) catecholamines 
C) peptides 
D) thyroid hormone

Question 4

Match the types of bone cells, labelled a. through c., with their descriptions.
-form bone

Accepted Answer

A) osteocytes 
B) osteoblasts 
C) osteoclasts 
A) osteocytes 
B) osteoblasts 
C) osteoclasts

Question 5

Which of the following can occur in the process of negative feedback

Accepted Answer

A) TSH inhibits thyroid hormone secretion by the thyroid gland. 
B) Thyroid hormone inhibits TSH secretion by the anterior pituitary. 
C) Thyroid hormone directly inhibits further thyroid hormone secretion by the thyroid gland. 
D) TRH inhibits TSH secretion by the anterior pituitary. 
A) TSH inhibits thyroid hormone secretion by the thyroid gland. 
B) Thyroid hormone inhibits TSH secretion by the anterior pituitary. 
C) Thyroid hormone directly inhibits further thyroid hormone secretion by the thyroid gland. 
D) TRH inhibits TSH secretion by the anterior pituitary.

Question 6

Dwarfism may be due to growth hormone deficiency in adults.

Accepted Answer

A) True 
 B)False

Question 7

Epinephrine produces diverse effects on the activity of smooth muscle.

Accepted Answer

A) True 
 B)False

Question 8

Melatonin is secreted by the ____________________.

Accepted Answer

The answer of Melatonin is secreted by the ____________________....

Question 9

Which of these statements describes tropic hormones

Accepted Answer

A) They may stimulate the secretion of other hormones. 
B) They are secreted only by the hypothalamus. 
C) They are all produced in the posterior pituitary gland. 
D) Primary hyposecretion occurs when an endocrine gland isn't receiving enough of its tropic hormone. 
A) They may stimulate the secretion of other hormones. 
B) They are secreted only by the hypothalamus. 
C) They are all produced in the posterior pituitary gland. 
D) Primary hyposecretion occurs when an endocrine gland isn't receiving enough of its tropic hormone.

Question 10

Which characteristic is NOT shared by both lipophilic and hydrophilic hormones

Accepted Answer

A) amplification of hormone actions in the target cell 
B) passing through the lipid membrane barriers of their target cells 
C) synergistic actions 
D) antagonistic actions 
A) amplification of hormone actions in the target cell 
B) passing through the lipid membrane barriers of their target cells 
C) synergistic actions 
D) antagonistic actions

Question 11

One target cell receptor may bind with more than one type of hormone.

Accepted Answer

A) True 
 B)False

Question 12

Which of these statements describes hormones secreted by endocrine glands

Accepted Answer

A) They are secreted into the ducts. 
B) They are all controlled by the nervous system. 
C) They all can pass through the plasma membrane. 
D) They regulate cellular and organ function at a distance. 
A) They are secreted into the ducts. 
B) They are all controlled by the nervous system. 
C) They all can pass through the plasma membrane. 
D) They regulate cellular and organ function at a distance.

Question 13

Which of these statements refers to bone cells

Accepted Answer

A) Osteoclasts are cells that make new ones. 
B) Chondrocytes are some that are affected by prolactin-inhibiting hormone. 
C) Osteoclasts are the types that dissolve bone. 
D) Osteoblasts are mature, nongrowing bone. 
A) Osteoclasts are cells that make new ones. 
B) Chondrocytes are some that are affected by prolactin-inhibiting hormone. 
C) Osteoclasts are the types that dissolve bone. 
D) Osteoblasts are mature, nongrowing bone.

Question 14

The hypothalamus synthesizes and regulates the release of hormones from the posterior pituitary.

Accepted Answer

A) True 
 B)False

Question 15

Which of these statements describes hormones

Accepted Answer

A) All are regulated by the hypothalamus. 
B) They are secreted by endocrine glands through ducts into the blood. 
C) They must combine with specific receptors on their target cells in order to exert their effects. 
D) They are produced in a gland and act on target cells in different tissues. 
A) All are regulated by the hypothalamus. 
B) They are secreted by endocrine glands through ducts into the blood. 
C) They must combine with specific receptors on their target cells in order to exert their effects. 
D) They are produced in a gland and act on target cells in different tissues.

Question 16

Match the systems, labelled a. through c. with their characteristics. (Options may be used more than once or not at all.)
-Duration of action is brief (milliseconds).

Accepted Answer

A) the endocrine system 
B) the nervous system 
C) both the endocrine and nervous systems 
A) the endocrine system 
B) the nervous system 
C) both the endocrine and nervous systems

Question 17

Growth hormone signals which of the following parts in a long bone to influence its length

Accepted Answer

A) articular cartilage 
B) endosteum 
C) epiphyseal plate 
D) medullary cavity 
A) articular cartilage 
B) endosteum 
C) epiphyseal plate 
D) medullary cavity

Question 18

Which of these statements does NOT apply to peptide hormones

Accepted Answer

A) They include adrenal cortex hormones. 
B) They include insulin. 
C) They are stored within secretory granules. 
D) They are secreted from endocrine glands. 
A) They include adrenal cortex hormones. 
B) They include insulin. 
C) They are stored within secretory granules. 
D) They are secreted from endocrine glands.

Question 19

Growth hormone promotes closure of the epiphyseal plate at adolescence.

Accepted Answer

A) True 
 B)False

Question 20

Which one of these hormones signals the kidneys to control water balance

Accepted Answer

A) vasopressin 
B) ACTH 
C) TRH 
D) somatostatin 
A) vasopressin 
B) ACTH 
C) TRH 
D) somatostatin

Oxytocin and vasopressin are carried in the hypothalamic-hypophyseal portal system.

Which of these statements describes growth hormone

Match the hormones, labelled a. through d., with the characteristics. -synthesized by the endoplasmic reticulum-Golgi complex system

Match the types of bone cells, labelled a. through c., with their descriptions. -form bone

Which of the following can occur in the process of negative feedback

Dwarfism may be due to growth hormone deficiency in adults.

Epinephrine produces diverse effects on the activity of smooth muscle.

Melatonin is secreted by the ____________________.

Which of these statements describes tropic hormones

Which characteristic is NOT shared by both lipophilic and hydrophilic hormones

One target cell receptor may bind with more than one type of hormone.

Which of these statements describes hormones secreted by endocrine glands

Which of these statements refers to bone cells

The hypothalamus synthesizes and regulates the release of hormones from the posterior pituitary.

Which of these statements describes hormones

Match the systems, labelled a. through c. with their characteristics. (Options may be used more than once or not at all.) -Duration of action is brief (milliseconds).

Growth hormone signals which of the following parts in a long bone to influence its length

Which of these statements does NOT apply to peptide hormones

Growth hormone promotes closure of the epiphyseal plate at adolescence.

Which one of these hormones signals the kidneys to control water balance

The Foundation of Physiology

Cell Physiology

The Central Nervous System

The Peripheral Nervous System: Sensory, Autonomic, Somatic

The Endocrine Glands

Muscle Physiology

Cardiac Physiology

Vascular Physiology

The Blood

Body Defences

The Respiratory System

The Urinary System

Fluid and Acidbase Balance

The Digestive System

Energy Balance and Temperature Regulation

The Reproductive System

Filters

Exam 5: Principles of Endocrinology: The Central Endocrine Glands

Oxytocin and vasopressin are carried in the hypothalamic-hypophyseal portal system.

Which of these statements describes growth hormone

Match the hormones, labelled a. through d., with the characteristics. -synthesized by the endoplasmic reticulum-Golgi complex system

Match the types of bone cells, labelled a. through c., with their descriptions. -form bone

Which of the following can occur in the process of negative feedback

Dwarfism may be due to growth hormone deficiency in adults.

Epinephrine produces diverse effects on the activity of smooth muscle.

Melatonin is secreted by the ____________________.

Which of these statements describes tropic hormones

Which characteristic is NOT shared by both lipophilic and hydrophilic hormones

One target cell receptor may bind with more than one type of hormone.

Which of these statements describes hormones secreted by endocrine glands

Which of these statements refers to bone cells

The hypothalamus synthesizes and regulates the release of hormones from the posterior pituitary.

Which of these statements describes hormones

Match the systems, labelled a. through c. with their characteristics. (Options may be used more than once or not at all.) -Duration of action is brief (milliseconds).

Growth hormone signals which of the following parts in a long bone to influence its length

Which of these statements does NOT apply to peptide hormones

Growth hormone promotes closure of the epiphyseal plate at adolescence.

Which one of these hormones signals the kidneys to control water balance

The Foundation of Physiology

Cell Physiology

The Central Nervous System

The Peripheral Nervous System: Sensory, Autonomic, Somatic

The Endocrine Glands

Muscle Physiology

Cardiac Physiology

Vascular Physiology

The Blood

Body Defences

The Respiratory System

The Urinary System

Fluid and Acidbase Balance

The Digestive System

Energy Balance and Temperature Regulation

The Reproductive System

Filters