Question 1

Which of the following is mismatched?

Accepted Answer

A) direct communication - small solutes travel through gap junctions 
B) paracrine communication - molecules released in local area 
C) endocrine communication - target cells are directly adjacent to each other 
D) autocrine communication - limited to the cell that secretes the chemical signal 
E) synaptic communication - uses neurotransmitters that cross synapses 
A) direct communication - small solutes travel through gap junctions 
B) paracrine communication - molecules released in local area 
C) endocrine communication - target cells are directly adjacent to each other 
D) autocrine communication - limited to the cell that secretes the chemical signal 
E) synaptic communication - uses neurotransmitters that cross synapses C

Question 2

The zona reticularis of the adrenal cortex produces

Accepted Answer

A) androgens. 
B) glucocorticoids. 
C) mineralocorticoids. 
D) epinephrine. 
E) norepinephrine. 
A) androgens. 
B) glucocorticoids. 
C) mineralocorticoids. 
D) epinephrine. 
E) norepinephrine. A

Question 3

All of the following are result of thyroid hormones except

Accepted Answer

A) elevated rates of oxygen consumption and energy consumption. 
B) decreased heart rate and force of contraction. 
C) increased sensitivity to sympathetic stimulation. 
D) maintenance of normal sensitivity of respiratory centers. 
E) stimulation of red blood cell formation. 
A) elevated rates of oxygen consumption and energy consumption. 
B) decreased heart rate and force of contraction. 
C) increased sensitivity to sympathetic stimulation. 
D) maintenance of normal sensitivity of respiratory centers. 
E) stimulation of red blood cell formation. B

Question 4

The pituitary hormone that controls the release of steroid hormones from the adrenal cortex is

Accepted Answer

A) TSH. 
B) ACTH. 
C) FSH. 
D) LH. 
E) GH. 
A) TSH. 
B) ACTH. 
C) FSH. 
D) LH. 
E) GH.

Question 5

Activation of the renin-angiotensin system would result in all of the following except

Accepted Answer

A) elevated blood pressure. 
B) increased retention of sodium ions at the kidney. 
C) increased water retention. 
D) increased urine production. 
E) increased blood volume. 
A) elevated blood pressure. 
B) increased retention of sodium ions at the kidney. 
C) increased water retention. 
D) increased urine production. 
E) increased blood volume.

Question 6

Describe the four patterns of hormonal interaction.

Accepted Answer

Hormones can interact in one of four way

Question 7

If stress lasts longer than a few hours,an individual will enter the ________ phase of the general adaptation syndrome (GAS).

Accepted Answer

A) alarm 
B) resistance 
C) exhaustion 
D) extension 
E) prolonged 
A) alarm 
B) resistance 
C) exhaustion 
D) extension 
E) prolonged

Question 8

Inadequate iodine in the diet would not lead to

Accepted Answer

A) hypothyroidism. 
B) cretinism. 
C) goiter. 
D) high blood levels of TSH. 
E) Grave's disease. 
A) hypothyroidism. 
B) cretinism. 
C) goiter. 
D) high blood levels of TSH. 
E) Grave's disease.

Question 9

A hormone that can lower blood levels of calcium ion is

Accepted Answer

A) parathyroid hormone. 
B) thyroxine. 
C) calcitonin. 
D) glucagon. 
E) oxytocin. 
A) parathyroid hormone. 
B) thyroxine. 
C) calcitonin. 
D) glucagon. 
E) oxytocin.

Question 10

After a steroid hormone binds to its receptor to form an active complex,

Accepted Answer

A) adenylyl cyclase is activated. 
B) cAMP is formed. 
C) G proteins are phosphorylated. 
D) gene transcription is initiated. 
E) ion channels are opened. 
A) adenylyl cyclase is activated. 
B) cAMP is formed. 
C) G proteins are phosphorylated. 
D) gene transcription is initiated. 
E) ion channels are opened.

Question 11

Steroid hormones

Accepted Answer

A) are proteins. 
B) cannot diffuse through cell membranes. 
C) bind to receptors in the nucleus of their target cells. 
D) remain in circulation for relatively short periods of time. 
E) are transported in the blood dissolved in the plasma. 
A) are proteins. 
B) cannot diffuse through cell membranes. 
C) bind to receptors in the nucleus of their target cells. 
D) remain in circulation for relatively short periods of time. 
E) are transported in the blood dissolved in the plasma.

Question 12

Name the hormones of the thyroid gland.

Accepted Answer

A) calcitonin and parathyroid hormone 
B) calcitonin and calcitriol 
C) thyroglobulin and calcitriol 
D) thyroxine (T4),triiodothyronine (T3),and calcitonin 
E) thyroglobulin and iodine 
A) calcitonin and parathyroid hormone 
B) calcitonin and calcitriol 
C) thyroglobulin and calcitriol 
D) thyroxine (T4),triiodothyronine (T3),and calcitonin 
E) thyroglobulin and iodine

Question 13

The anterior lobe of the pituitary is also known as the

Accepted Answer

A) hypothalamus. 
B) infundibulum. 
C) median eminence. 
D) adenohypophysis. 
E) neurohypophysis. 
A) hypothalamus. 
B) infundibulum. 
C) median eminence. 
D) adenohypophysis. 
E) neurohypophysis.

Question 14

Thyroxine and calcitonin are secreted by the

Accepted Answer

A) kidneys. 
B) heart. 
C) thyroid gland. 
D) gonads. 
E) pituitary gland. 
A) kidneys. 
B) heart. 
C) thyroid gland. 
D) gonads. 
E) pituitary gland.

Question 15

What thyroid hormone aids in calcium regulation?

Accepted Answer

A) thyroxine 
B) triiodothyronine 
C) iodine 
D) thyroid-binding globulins 
E) calcitonin 
A) thyroxine 
B) triiodothyronine 
C) iodine 
D) thyroid-binding globulins 
E) calcitonin

Question 16

The hormone that plays a pivotal role in setting the metabolic rate and thus impacting body temperature is

Accepted Answer

A) somatotropin. 
B) thyroxine. 
C) calcitonin. 
D) parathyroid hormone. 
E) glucagon. 
A) somatotropin. 
B) thyroxine. 
C) calcitonin. 
D) parathyroid hormone. 
E) glucagon.

Question 17

The hormone oxytocin does all of the following except

Accepted Answer

A) promotes uterine contractions. 
B) is responsible for milk expression from the mammary glands. 
C) rises during sexual arousal. 
D) peaks at orgasm in both sexes. 
E) is responsive to osmoreceptors. 
A) promotes uterine contractions. 
B) is responsible for milk expression from the mammary glands. 
C) rises during sexual arousal. 
D) peaks at orgasm in both sexes. 
E) is responsive to osmoreceptors.

Question 18

Extracellular membrane receptors are used by all of the following types of hormones except

Accepted Answer

A) catecholamines. 
B) peptide hormones. 
C) leukotrienes. 
D) steroid hormones. 
E) prostaglandins. 
A) catecholamines. 
B) peptide hormones. 
C) leukotrienes. 
D) steroid hormones. 
E) prostaglandins.

Question 19

Peptide hormones are

Accepted Answer

A) composed of amino acids. 
B) produced by the adrenal glands. 
C) derived from the amino acid tyrosine. 
D) lipids. 
E) chemically related to cholesterol. 
A) composed of amino acids. 
B) produced by the adrenal glands. 
C) derived from the amino acid tyrosine. 
D) lipids. 
E) chemically related to cholesterol.

Question 20

A hormone that helps to regulate the sodium ion content of the body is

Accepted Answer

A) cortisol. 
B) parathormone. 
C) thymosin. 
D) somatotropin. 
E) aldosterone. 
A) cortisol. 
B) parathormone. 
C) thymosin. 
D) somatotropin. 
E) aldosterone.

Exam 16: The Endocrine System

Which of the following is mismatched?

The zona reticularis of the adrenal cortex produces

All of the following are result of thyroid hormones except

The pituitary hormone that controls the release of steroid hormones from the adrenal cortex is

Activation of the renin-angiotensin system would result in all of the following except

Describe the four patterns of hormonal interaction.

If stress lasts longer than a few hours,an individual will enter the ________ phase of the general adaptation syndrome (GAS).

Inadequate iodine in the diet would not lead to

A hormone that can lower blood levels of calcium ion is

After a steroid hormone binds to its receptor to form an active complex,

Steroid hormones

Name the hormones of the thyroid gland.

The anterior lobe of the pituitary is also known as the

Thyroxine and calcitonin are secreted by the

What thyroid hormone aids in calcium regulation?

The hormone that plays a pivotal role in setting the metabolic rate and thus impacting body temperature is

The hormone oxytocin does all of the following except

Extracellular membrane receptors are used by all of the following types of hormones except

Peptide hormones are

A hormone that helps to regulate the sodium ion content of the body is

An Introduction to Anatomy and Physiology

Chemical Level of Organization

Cellular Level of Organization

Tissue Level of Organization

The Integumentary System

Bones and Bone Structure

The Skeleton

Joints

Skeletal Muscle Tissue

The Muscular System

Nervous Tissue

The Spinal Cord, spinal Nerves, and Spinal Reflexes

The Brain, cranial Nerves, and Sensory and Motor Pathways

The Autonomic Nervous System

The Special Senses

Blood

The Heart and Cardiovascular Function

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

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