Question 1

Only certain organs called the target organs respond to the presence of a specific hormone because

Accepted Answer

A) only those organs are attached to the endocrine gland. 
B) only those organ cells have the appropriate receptors. 
C) only those organs allow the hormone to enter their cells. 
D) they are the first organs along the hormone's circulatory path. 
E) if enough time is allowed,all organs respond to the hormonE. 
A) only those organs are attached to the endocrine gland. 
B) only those organ cells have the appropriate receptors. 
C) only those organs allow the hormone to enter their cells. 
D) they are the first organs along the hormone's circulatory path. 
E) if enough time is allowed,all organs respond to the hormonE.

Question 2

Which of the following are paracrine regulators?

Accepted Answer

A) prostaglandins and cytokines 
B) nitric oxide and growth factors 
C) thyroxine and testosterone 
D) prostaglandins,cytokines,nitric oxide,and growth factors 
E) cytokines,prostaglandins,nitric oxide,growth factors,thyroxine,and testosterone 
A) prostaglandins and cytokines 
B) nitric oxide and growth factors 
C) thyroxine and testosterone 
D) prostaglandins,cytokines,nitric oxide,and growth factors 
E) cytokines,prostaglandins,nitric oxide,growth factors,thyroxine,and testosterone

Question 3

Stimulates secretion of adrenal cortical hormone.

Accepted Answer

A) luteinizing hormone 
B) parathyroid 
C) oxytocin 
D) follicle-stimulating hormone 
E) adrenocorticotropic hormone 
A) luteinizing hormone 
B) parathyroid 
C) oxytocin 
D) follicle-stimulating hormone 
E) adrenocorticotropic hormone

Question 4

The water-soluble hormones cannot pass through the plasma membrane;they must rely on ______ messengers within their target cells to mediate their action.

Accepted Answer

A) second 
B) pseudo 
C) synaptic 
D) interoreceptor 
E) kinase 
A) second 
B) pseudo 
C) synaptic 
D) interoreceptor 
E) kinase

Question 5

The glands of the endocrine system secrete hormones into the bloodstream or other body fluids and so are said to have ____________ glands.

Accepted Answer

A) permeable 
B) labile 
C) ductless 
D) intractable 
E) static 
A) permeable 
B) labile 
C) ductless 
D) intractable 
E) static

Question 6

Homeostasis is achieved through the actions of two major regulatory systems,the endocrine system and the _________ system.

Accepted Answer

A) nervous 
B) circulatory 
C) reproductive 
D) digestive 
E) respiratory 
A) nervous 
B) circulatory 
C) reproductive 
D) digestive 
E) respiratory

Exam 46: The Endocrine System

Only certain organs called the target organs respond to the presence of a specific hormone because

Which of the following are paracrine regulators?

Stimulates secretion of adrenal cortical hormone.

The water-soluble hormones cannot pass through the plasma membrane;they must rely on ______ messengers within their target cells to mediate their action.

The glands of the endocrine system secrete hormones into the bloodstream or other body fluids and so are said to have ____________ glands.

Homeostasis is achieved through the actions of two major regulatory systems,the endocrine system and the _________ system.

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