Question 1

The pituitary gland produces melatonin.

Accepted Answer

A) True 
 B)False

Question 2

Which of these activities happens in a short-loop, negative-feedback, control system?

Accepted Answer

A) The anterior pituitary hormone feeds back to the hypothalamus, suppressing releasing hormone. 
B) The target gland's hormone feeds back to the anterior pituitary, suppressing the tropic hormone. 
C)  The target gland's hormone does not feed back to any other gland. 
D)  The anterior pituitary hormone feeds back to the posterior pituitary gland, stimulating the inhibiting hormone. 
A) The anterior pituitary hormone feeds back to the hypothalamus, suppressing releasing hormone. 
B) The target gland's hormone feeds back to the anterior pituitary, suppressing the tropic hormone. 
C)  The target gland's hormone does not feed back to any other gland. 
D)  The anterior pituitary hormone feeds back to the posterior pituitary gland, stimulating the inhibiting hormone.

Question 3

Which of the following are masculinizing hormones produced from the adrenal gland?

Accepted Answer

A) growth hormones 
B) androgens 
C)  thyroid hormones 
D)  cortisols 
A) growth hormones 
B) androgens 
C)  thyroid hormones 
D)  cortisols

Question 4

Match posterior and anterior pituitary, labelled a. through c., with their features. (Options may be used more than once or not at all.)
a. applies to the posterior pituitary
b. applies to the anterior pituitary
c. applies to both the posterior and the anterior pituitary
-Its release of hormones is directly controlled by hypothalamic hypophysiotropic hormones.

Accepted Answer

The answer of Match posterior and anterior pituitary, labelled a....

Question 5

Match the hormones, labelled a. through f., with their activities. (Options may be used more than once or not at all.)
a.vasopressin
b.oxytocin
c.TSH
d.ACTH
e.growth hormone
f.GnRH
-stimulates growth of ovarian follicles and development of eggs

Accepted Answer

The answer of Match the hormones, labelled a. through f.,...

Question 6

Which of the following statements applies to melatonin?

Accepted Answer

A) It accelerates metabolism. 
B) It defends against free radicals. 
C)  It lowers the concentration of blood sugar. 
D)  It serves as a secondary messenger. 
A) It accelerates metabolism. 
B) It defends against free radicals. 
C)  It lowers the concentration of blood sugar. 
D)  It serves as a secondary messenger.

Question 7

Which one of the following hormones secreted by the anterior pituitary is non-tropic?

Accepted Answer

A) TSH 
B) prolactin 
C)  LH 
D)  ACTH 
A) TSH 
B) prolactin 
C)  LH 
D)  ACTH

Question 8

The specific site upon which a hormone exerts its effect is referred to as a ____________________ cell.

Accepted Answer

The answer of The specific site upon which a hormone...

Question 9

Which of these hormones is regulated by the anterior pituitary?

Accepted Answer

A) parathyroid hormone 
B) cortisol 
C)  aldosterone 
D)  insulin 
A) parathyroid hormone 
B) cortisol 
C)  aldosterone 
D)  insulin

Question 10

Growth hormone exerts metabolic effects unrelated to growth.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following occurs 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 12

The same chemical messenger may be either a hormone or a neurotransmitter, depending on its source and mode of delivery to the target tissue.

Accepted Answer

A) True 
 B)False

Question 13

The ____________________ carries hypophysiotropic hormones from the hypothalamus to the anterior pituitary.

Accepted Answer

hypothalam

Question 14

TSH controls the amount of testosterone secreted by the testes.

Accepted Answer

A) True 
 B)False

Question 15

Which statement does NOT refer to post-receptor events of hydrophilic hormones?

Accepted Answer

A) Adenylyl cyclase forms cyclic AMP. 
B) Cyclic AMP is a secondary messenger. 
C)  Some hydrophilic hormones use Ca ions as a secondary messenger. 
D)  Specific genes are activated. 
A) Adenylyl cyclase forms cyclic AMP. 
B) Cyclic AMP is a secondary messenger. 
C)  Some hydrophilic hormones use Ca ions as a secondary messenger. 
D)  Specific genes are activated.

Question 16

Light is a crucial factor in regulating circadian rhythms.

Accepted Answer

A) True 
 B)False

Question 17

Growth hormone promotes closure of the epiphyseal plate at adolescence.

Accepted Answer

A) True 
 B)False

Question 18

Match the hormones, labelled a. through f., with their activities. (Options may be used more than once or not at all.)
a.vasopressin
b.oxytocin
c.TSH
d.ACTH
e.growth hormone
f.GnRH
-exerts a pressor effect on arterioles

Accepted Answer

The answer of Match the hormones, labelled a. through f.,...

Question 19

How is hormone secretion from the anterior pituitary gland controlled?

Accepted Answer

A) by neuronal cell bodies from the hypothalamus 
B) directly, by neural innervation of anterior pituitary cells 
C)  by negative-feedback action of target-tissue hormones 
D)  only by inhibiting hormones from the hypothalamus 
A) by neuronal cell bodies from the hypothalamus 
B) directly, by neural innervation of anterior pituitary cells 
C)  by negative-feedback action of target-tissue hormones 
D)  only by inhibiting hormones from the hypothalamus

Question 20

Under which of these circumstances is synergism occurring?

Accepted Answer

A) when one hormone induces the loss of another hormone's receptors 
B) when the actions of several hormones are complementary, and their combined effect is greater than the sum of their separate effects 
C)  when one hormone must be present in adequate amounts for the full exertion of another hormone's effect 
D)  when one hormone increases the number of target-tissue receptors for another hormone 
A) when one hormone induces the loss of another hormone's receptors 
B) when the actions of several hormones are complementary, and their combined effect is greater than the sum of their separate effects 
C)  when one hormone must be present in adequate amounts for the full exertion of another hormone's effect 
D)  when one hormone increases the number of target-tissue receptors for another hormone

The pituitary gland produces melatonin.

Which of these activities happens in a short-loop, negative-feedback, control system?

Which of the following are masculinizing hormones produced from the adrenal gland?

Match the hormones, labelled a. through f., with their activities. (Options may be used more than once or not at all.) a.vasopressin b.oxytocin c.TSH d.ACTH e.growth hormone f.GnRH -stimulates growth of ovarian follicles and development of eggs

Which of the following statements applies to melatonin?

Which one of the following hormones secreted by the anterior pituitary is non-tropic?

The specific site upon which a hormone exerts its effect is referred to as a ____________________ cell.

Which of these hormones is regulated by the anterior pituitary?

Growth hormone exerts metabolic effects unrelated to growth.

Which of the following occurs in the process of negative feedback?

The same chemical messenger may be either a hormone or a neurotransmitter, depending on its source and mode of delivery to the target tissue.

The ____________________ carries hypophysiotropic hormones from the hypothalamus to the anterior pituitary.

TSH controls the amount of testosterone secreted by the testes.

Which statement does NOT refer to post-receptor events of hydrophilic hormones?

Light is a crucial factor in regulating circadian rhythms.

Growth hormone promotes closure of the epiphyseal plate at adolescence.

Match the hormones, labelled a. through f., with their activities. (Options may be used more than once or not at all.) a.vasopressin b.oxytocin c.TSH d.ACTH e.growth hormone f.GnRH -exerts a pressor effect on arterioles

How is hormone secretion from the anterior pituitary gland controlled?

Under which of these circumstances is synergism occurring?

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

The Peripheral Nervous System: Afferent Division; Special Senses

The Peripheral Nervous System: Efferent Division

Muscle Physiology

Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood

Body Defenses

The Respiratory System

The Urinary System

Fluid and Acidbase Balance

The Digestive System

Energy Balance and Temperature Regulation

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Exam 5: The Central Nervous System

The pituitary gland produces melatonin.

Which of these activities happens in a short-loop, negative-feedback, control system?

Which of the following are masculinizing hormones produced from the adrenal gland?

Match the hormones, labelled a. through f., with their activities. (Options may be used more than once or not at all.) a.vasopressin b.oxytocin c.TSH d.ACTH e.growth hormone f.GnRH -stimulates growth of ovarian follicles and development of eggs

Which of the following statements applies to melatonin?

Which one of the following hormones secreted by the anterior pituitary is non-tropic?

The specific site upon which a hormone exerts its effect is referred to as a ____________________ cell.

Which of these hormones is regulated by the anterior pituitary?

Growth hormone exerts metabolic effects unrelated to growth.

Which of the following occurs in the process of negative feedback?

The same chemical messenger may be either a hormone or a neurotransmitter, depending on its source and mode of delivery to the target tissue.

The ____________________ carries hypophysiotropic hormones from the hypothalamus to the anterior pituitary.

TSH controls the amount of testosterone secreted by the testes.

Which statement does NOT refer to post-receptor events of hydrophilic hormones?

Light is a crucial factor in regulating circadian rhythms.

Growth hormone promotes closure of the epiphyseal plate at adolescence.

Match the hormones, labelled a. through f., with their activities. (Options may be used more than once or not at all.) a.vasopressin b.oxytocin c.TSH d.ACTH e.growth hormone f.GnRH -exerts a pressor effect on arterioles

How is hormone secretion from the anterior pituitary gland controlled?

Under which of these circumstances is synergism occurring?

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

The Peripheral Nervous System: Afferent Division; Special Senses

The Peripheral Nervous System: Efferent Division

Muscle Physiology

Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood

Body Defenses

The Respiratory System

The Urinary System

Fluid and Acidbase Balance

The Digestive System

Energy Balance and Temperature Regulation

Filters