Question 1

Which statement is not correct?

Accepted Answer

A) Normally the effective plasma concentration of a hormone is regulated by appropriate adjustments in the rate of its secretion. 
B) In order to maintain homeostasis, the rate of hormone secretion remains constant. 
C) All hormones are regulated through negative feedback controls. 
D) Neuroendocrine reflexes produce a sudden increase in hormone secretion in response to a specific, usually external, stimulus. 
E) Some organs have endocrine and exocrine functions.

Question 2

Compare and contrast the way in which lipophilic and hydrophilic hormones affect their target cells.Include in your answer the type of receptor used, the major events promoted inside the cell after these hormone attach to their specific receptors, and the relative amount of time required to see the effect of hormone binding.

Accepted Answer

The answer of Compare and contrast the way in which...

Question 3

Indicate which of the following features apply to the posterior and anterior pituitary using the following answer code:
a.Posterior pituitary
b.Anterior pituitary
c.Posterior and anterior pituitary
-Composed of glandular tissue

Accepted Answer

The answer of Indicate which of the following features apply...

Question 4

Identify the gonadotropic hormone(s).

Accepted Answer

A) LH 
B) FSH 
C) Testosterone 
D) All of the above 
E) Only a and b

Question 5

The majority of hormones fall into the class of ____________________ hormones.

Accepted Answer

The answer of The majority of hormones fall into the...

Question 6

In testicular ___________ syndrome, there is an inborn lack of receptors for testosterone, resulting in a lack of masculinization.

Accepted Answer

The answer of In testicular ___________ syndrome, there is an...

Question 7

Neurosecretory neurons

Accepted Answer

A) release neurotransmitters 
B) release hormones 
C) are unable to conduct action potentials, unlike ordinary neurons 
D) perform both a and b 
E) are found in most endocrine glands

Question 8

___________ does not increase growth hormone secretion.

Accepted Answer

A) Deep sleep 
B) Exercise 
C) A low blood amino acid level 
D) Stress 
E) A low blood glucose level

Question 9

Melatonin's actions may include

Accepted Answer

A) regulation of circadian rhythms 
B) antioxidant activity 
C) induction of calcium reabsorption 
D) both a and b 
E) none of the above

Question 10

Indicate which of the following features apply to the posterior and anterior pituitary using the following answer code:
a.Posterior pituitary
b.Anterior pituitary
c.Posterior and anterior pituitary
-Contains pituicytes

Accepted Answer

The answer of Indicate which of the following features apply...

Question 11

There are no known growth-related signals that influence growth hormone secretion.

Accepted Answer

A) True 
 B)False

Question 12

Indicate which characteristics in the left column apply to the hormones below by writing the appropriate letters in the blanks.
a.Steroids
b.Catecholamines
c.Peptides
d.Thyroid hormone
-Lipophilic hormone derived from an amino acid

Accepted Answer

The answer of Indicate which characteristics in the left column...

Question 13

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 
E) thyroid hormone and TRH inhibit TSH secretion by the anterior pituitary

Question 14

Hormones influence adjustments that require duration rather than speed, whereas the rapid coordinations of the body are controlled by the nervous system.

Accepted Answer

A) True 
 B)False

Question 15

In males, the hormone called ___________ stimulates the cells of Leydig.

Accepted Answer

The answer of In males, the hormone called ___________ stimulates...

Question 16

Match the description with the types of bone cells below by writing the appropriate letters in the blanks.
a.Osteocytes
b.Osteoblasts
c.Osteoclasts
-Bone cells that are entombed in bone

Accepted Answer

The answer of Match the description with the types of...

Question 17

Hypophysiotropic-hormone secretion by the hypothalamus is regulated only by hormonal negative feedback.

Accepted Answer

A) True 
 B)False

Question 18

Indicate which of the following features apply to the posterior and anterior pituitary using the following answer code:
a.Posterior pituitary
b.Anterior pituitary
c.Posterior and anterior pituitary
-Neurohypophysis

Accepted Answer

The answer of Indicate which of the following features apply...

Question 19

Indicate the solubility characteristics of each of the classes of hormones by writing the appropriate letter in the blank using the following answer code:
a.Lipophilic
b.Hydrophilic
-Catecholamines

Accepted Answer

The answer of Indicate the solubility characteristics of each of...

Question 20

________ is the hypothalamic hormone that causes the anterior pituitary to release ____, thus, resulting in thyroid hormone release.

Accepted Answer

A) Thyroid-releasing hormone; thyroid-stimulating hormone 
B) Thyroid stimulating hormone; thyrotropin-releasing hormone 
C) Thyrotropin-releasing hormone; thyroid-stimulating hormone 
D) Thyroid hormone; thyrotropin-releasing hormone 
E) Thyrotropin-releasing hormone; thyroid hormone

Exam 18: Principles of Endocrinology: the Central Endocrine Glands

Which statement is not correct?

Indicate which of the following features apply to the posterior and anterior pituitary using the following answer code: a.Posterior pituitary b.Anterior pituitary c.Posterior and anterior pituitary -Composed of glandular tissue

Identify the gonadotropic hormone(s) .

The majority of hormones fall into the class of ____________________ hormones.

In testicular ___________ syndrome, there is an inborn lack of receptors for testosterone, resulting in a lack of masculinization.

Neurosecretory neurons

___________ does not increase growth hormone secretion.

Melatonin's actions may include

Indicate which of the following features apply to the posterior and anterior pituitary using the following answer code: a.Posterior pituitary b.Anterior pituitary c.Posterior and anterior pituitary -Contains pituicytes

There are no known growth-related signals that influence growth hormone secretion.

Indicate which characteristics in the left column apply to the hormones below by writing the appropriate letters in the blanks. a.Steroids b.Catecholamines c.Peptides d.Thyroid hormone -Lipophilic hormone derived from an amino acid

In the process of negative feedback,

Hormones influence adjustments that require duration rather than speed, whereas the rapid coordinations of the body are controlled by the nervous system.

In males, the hormone called ___________ stimulates the cells of Leydig.

Match the description with the types of bone cells below by writing the appropriate letters in the blanks. a.Osteocytes b.Osteoblasts c.Osteoclasts -Bone cells that are entombed in bone

Hypophysiotropic-hormone secretion by the hypothalamus is regulated only by hormonal negative feedback.

Indicate which of the following features apply to the posterior and anterior pituitary using the following answer code: a.Posterior pituitary b.Anterior pituitary c.Posterior and anterior pituitary -Neurohypophysis

Indicate the solubility characteristics of each of the classes of hormones by writing the appropriate letter in the blank using the following answer code: a.Lipophilic b.Hydrophilic -Catecholamines

____ is the hypothalamic hormone that causes the anterior pituitary to release , thus, resulting in thyroid hormone release.