Question 1

The anterior lobe of the pituitary gland can be divided into three parts: the pars distalis, the pars intermedia, and the pars

Accepted Answer

A)  tuberalis. 
B)  nervosa. 
C)  pinea. 
D)  intermedia. 
E)  magnus. 
A)  tuberalis. 
B)  nervosa. 
C)  pinea. 
D)  intermedia. 
E)  magnus.

Question 2

Which of the following is true of the endocrine system?

Accepted Answer

A)  It responds rapidly to stimuli. 
B)  It responds specifically to digestive stimuli. 
C)  It communicates by the release of neurotransmitters. 
D)  It responds with motor output. 
E)  It responds slowly but effectively for maintaining homeostatic functions. 
A)  It responds rapidly to stimuli. 
B)  It responds specifically to digestive stimuli. 
C)  It communicates by the release of neurotransmitters. 
D)  It responds with motor output. 
E)  It responds slowly but effectively for maintaining homeostatic functions.

Question 3

A structure known as the corpus luteum secretes

Accepted Answer

A)  testosterone. 
B)  progesterone. 
C)  aldosterone. 
D)  cortisone. 
E)  androstenedione. 
A)  testosterone. 
B)  progesterone. 
C)  aldosterone. 
D)  cortisone. 
E)  androstenedione.

Question 4

Upon binding of a single first messenger to a plasma membrane, thousands of second messengers may becomeactivated. This effect is known as

Accepted Answer

A)  receptor down-regulation. 
B)  receptor up-regulation. 
C)  amplification. 
D)  humoral stimuli. 
E)  synergism. 
A)  receptor down-regulation. 
B)  receptor up-regulation. 
C)  amplification. 
D)  humoral stimuli. 
E)  synergism.

Question 5

The posterior lobe of the pituitary is also known as the

Accepted Answer

A)  basal ganglion. 
B)  infundibulum. 
C)  adenohypophysis. 
D)  mesencephalon. 
E)  neurohypophysis. 
A)  basal ganglion. 
B)  infundibulum. 
C)  adenohypophysis. 
D)  mesencephalon. 
E)  neurohypophysis.

Question 6

If dietary iodine levels are deficient you would expect that plasma TSH levels would be ________ and that plasma thyroxine levels would be ________.

Accepted Answer

A)  high; low 
B)  low; high 
C)  unchanged; low 
D)  low; unchanged 
E)  low; low 
A)  high; low 
B)  low; high 
C)  unchanged; low 
D)  low; unchanged 
E)  low; low

Question 7

Neurons of the supra-optic and paraventricular nuclei of the hypothalamus manufacture

Accepted Answer

A)  CRF and GnRH. 
B)  TSH and FSH. 
C)  ADH and oxytocin. 
D)  FSH and PRL. 
E)  GHIH and GHRH. 
A)  CRF and GnRH. 
B)  TSH and FSH. 
C)  ADH and oxytocin. 
D)  FSH and PRL. 
E)  GHIH and GHRH.

Question 8

Figure 18-1 Pituitary Hormones and Their Targets
  
Use Figure 18-1 to answer the following questions:
-Identify the hormone labeled "4."

Accepted Answer

A)  thyroid-releasing hormone 
B)  thyroid-stimulating hormone 
C)  thyroxin 
D)  thyrotropin 
E)  calcitonin 
A)  thyroid-releasing hormone 
B)  thyroid-stimulating hormone 
C)  thyroxin 
D)  thyrotropin 
E)  calcitonin

The anterior lobe of the pituitary gland can be divided into three parts: the pars distalis, the pars intermedia, and the pars

Which of the following is true of the endocrine system?

A structure known as the corpus luteum secretes

Upon binding of a single first messenger to a plasma membrane, thousands of second messengers may becomeactivated. This effect is known as

The posterior lobe of the pituitary is also known as the

If dietary iodine levels are deficient you would expect that plasma TSH levels would be and that plasma thyroxine levels would be .

Neurons of the supra-optic and paraventricular nuclei of the hypothalamus manufacture

Figure 18-1 Pituitary Hormones and Their Targets Use Figure 18-1 to answer the following questions: -Identify the hormone labeled "4."

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System

Bones and Bone Structure

The Axial Skeleton

The Appendicular Skeleton

Joints

Muscle Tissue

The Muscular System

Nervous Tissue

The Spinal Cord, Spinal Nerves, and Spinal Reflexes

The Brain and Cranial Nerves

Sensory Pathways and the Somatic Nervous System

The Autonomic Nervous System and Higher-Order Functions

The Special Senses

Blood

The Heart

Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism, Nutrition, and Energetics

The Urinary System

Fluid, Electrolyte, and Acid-Base Balance

The Reproductive System

Development and Inheritance

Filters

Exam 18: The Endocrine System

The anterior lobe of the pituitary gland can be divided into three parts: the pars distalis, the pars intermedia, and the pars

Which of the following is true of the endocrine system?

A structure known as the corpus luteum secretes

Upon binding of a single first messenger to a plasma membrane, thousands of second messengers may becomeactivated. This effect is known as

The posterior lobe of the pituitary is also known as the

If dietary iodine levels are deficient you would expect that plasma TSH levels would be ________ and that plasma thyroxine levels would be ________.

Neurons of the supra-optic and paraventricular nuclei of the hypothalamus manufacture

Figure 18-1 Pituitary Hormones and Their Targets Use Figure 18-1 to answer the following questions: -Identify the hormone labeled "4."

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System

Bones and Bone Structure

The Axial Skeleton

The Appendicular Skeleton

Joints

Muscle Tissue

The Muscular System

Nervous Tissue

The Spinal Cord, Spinal Nerves, and Spinal Reflexes

The Brain and Cranial Nerves

Sensory Pathways and the Somatic Nervous System

The Autonomic Nervous System and Higher-Order Functions

The Special Senses

Blood

The Heart

Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism, Nutrition, and Energetics

The Urinary System

Fluid, Electrolyte, and Acid-Base Balance

The Reproductive System

Development and Inheritance

Filters

If dietary iodine levels are deficient you would expect that plasma TSH levels would be and that plasma thyroxine levels would be .