Question 1

Which substance is a water-soluble protein hormone?

Accepted Answer

A)  Thyroxine 
B)  Aldosterone 
C)  Follicle-stimulating hormone 
D)  Insulin 
A)  Thyroxine 
B)  Aldosterone 
C)  Follicle-stimulating hormone 
D)  Insulin D

Question 2

Match the anatomic structure with its hormone.Names of structures may be used more than once.
-Oxytocin

Accepted Answer

A) Anterior pituitary 
B) Posterior pituitary 
C) Thyroid 
D) Adrenal cortex 
E) Adrenal medulla 
A) Anterior pituitary 
B) Posterior pituitary 
C) Thyroid 
D) Adrenal cortex 
E) Adrenal medulla B

Question 3

The control of calcium in cells is important because it:

Accepted Answer

A)  Is controlled by the calcium negative-feedback loop. 
B)  Is continuously synthesized. 
C)  Acts as a second messenger. 
D)  Carries lipid-soluble hormones in the bloodstream. 
A)  Is controlled by the calcium negative-feedback loop. 
B)  Is continuously synthesized. 
C)  Acts as a second messenger. 
D)  Carries lipid-soluble hormones in the bloodstream. C

Question 4

Match the anatomic structure with its hormone.Names of structures may be used more than once.
-Cortisol

Accepted Answer

A) Anterior pituitary 
B) Posterior pituitary 
C) Thyroid 
D) Adrenal cortex 
E) Adrenal medulla 
A) Anterior pituitary 
B) Posterior pituitary 
C) Thyroid 
D) Adrenal cortex 
E) Adrenal medulla

Question 5

The secretion of adrenocorticotropic-stimulating hormone (ACTH)will result in the increased level of which hormone?

Accepted Answer

A)  Thyroxine 
B)  Insulin 
C)  Cortisol. 
D)  Antidiuretic hormone 
A)  Thyroxine 
B)  Insulin 
C)  Cortisol. 
D)  Antidiuretic hormone

Question 6

Aldosterone directly increases the reabsorption of:

Accepted Answer

A)  Magnesium 
B)  Calcium 
C)  Sodium 
D)  Water 
A)  Magnesium 
B)  Calcium 
C)  Sodium 
D)  Water

Question 7

Which compound or hormone is secreted by the adrenal medulla?

Accepted Answer

A)  Cortisol 
B)  Epinephrine 
C)  Androgens 
D)  Aldosterone 
A)  Cortisol 
B)  Epinephrine 
C)  Androgens 
D)  Aldosterone

Question 8

Match the anatomic structure with its hormone.Names of structures may be used more than once.
-Calcitonin

Accepted Answer

A) Anterior pituitary 
B) Posterior pituitary 
C) Thyroid 
D) Adrenal cortex 
E) Adrenal medulla 
A) Anterior pituitary 
B) Posterior pituitary 
C) Thyroid 
D) Adrenal cortex 
E) Adrenal medulla

Question 9

Thyroid-stimulating hormone (TSH)is released to stimulate thyroid hormone (TH)and is inhibited when plasma levels of TH are adequate.This is an example of:

Accepted Answer

A)  Positive feedback 
B)  Negative feedback 
C)  Neural regulation 
D)  Physiologic regulation 
A)  Positive feedback 
B)  Negative feedback 
C)  Neural regulation 
D)  Physiologic regulation

Question 10

Which hormone is involved in the regulation of serum calcium levels?

Accepted Answer

A)  Parathyroid hormone (PTH) 
B)  Thyroxine (T4) 
C)  Adrenocorticotropic hormone (ACTH) 
D)  Triiodothyronine (T3) 
A)  Parathyroid hormone (PTH) 
B)  Thyroxine (T4) 
C)  Adrenocorticotropic hormone (ACTH) 
D)  Triiodothyronine (T3)

Question 11

Which hormone does the second messenger calcium (Ca⁺⁺)bind to activate phospholipase C through a G protein?

Accepted Answer

A)  Angiotensin II 
B)  Thyroxine 
C)  Estrogen 
D)  Testosterone 
A)  Angiotensin II 
B)  Thyroxine 
C)  Estrogen 
D)  Testosterone

Question 12

Match the anatomic structure with its hormone.Names of structures may be used more than once.
-Glycoproteins

Accepted Answer

A) Anterior pituitary 
B) Posterior pituitary 
C) Thyroid 
D) Adrenal cortex 
E) Adrenal medulla 
A) Anterior pituitary 
B) Posterior pituitary 
C) Thyroid 
D) Adrenal cortex 
E) Adrenal medulla

Question 13

What are actions of glucocorticoids? (Select all that apply.)

Accepted Answer

A)  Decreasing muscle cell reuptake of glucose 
B)  Fat storage 
C)  Decreased blood glucose 
D)  Carbohydrate metabolism 
E)  Liver gluconeogenesis 
A)  Decreasing muscle cell reuptake of glucose 
B)  Fat storage 
C)  Decreased blood glucose 
D)  Carbohydrate metabolism 
E)  Liver gluconeogenesis

Question 14

Which hormone triggers uterine contractions?

Accepted Answer

A)  Thyroxine 
B)  Oxytocin 
C)  Growth hormone 
D)  Insulin 
A)  Thyroxine 
B)  Oxytocin 
C)  Growth hormone 
D)  Insulin

Question 15

What imbalance lessens the rate of secretion of parathyroid hormone (PTH)?

Accepted Answer

A)  Increased serum calcium levels 
B)  Decreased serum magnesium levels 
C)  Decreased levels of thyroid-stimulating hormone 
D)  Increased levels of thyroid-stimulating hormone 
A)  Increased serum calcium levels 
B)  Decreased serum magnesium levels 
C)  Decreased levels of thyroid-stimulating hormone 
D)  Increased levels of thyroid-stimulating hormone

Question 16

Regulation of the release of catecholamines from the adrenal medulla is an example of which type of regulation?

Accepted Answer

A)  Negative feedback 
B)  Positive feedback 
C)  Neural 
D)  Physiologic 
A)  Negative feedback 
B)  Positive feedback 
C)  Neural 
D)  Physiologic

Question 17

When insulin binds its receptors on muscle cells,an increase in glucose uptake by the muscle cells is the result.This is an example of what type of effect by a hormone?

Accepted Answer

A)  Pharmacologic 
B)  Permissive 
C)  Synergistic 
D)  Direct 
A)  Pharmacologic 
B)  Permissive 
C)  Synergistic 
D)  Direct

Question 18

What effect does hyperphosphatemia have on other electrolytes?

Accepted Answer

A)  Increases serum calcium. 
B)  Decreases serum calcium. 
C)  Decreases serum magnesium. 
D)  Increases serum magnesium. 
A)  Increases serum calcium. 
B)  Decreases serum calcium. 
C)  Decreases serum magnesium. 
D)  Increases serum magnesium.

Question 19

How does a faulty negative-feedback mechanism result in a hormonal imbalance?

Accepted Answer

A)  Hormones are not synthesized in response to cellular and tissue activities. 
B)  Decreased hormonal secretion is a response to rising hormone levels. 
C)  Too little hormone production is initiated. 
D)  Excessive hormone production results from a failure to turn off the system. 
A)  Hormones are not synthesized in response to cellular and tissue activities. 
B)  Decreased hormonal secretion is a response to rising hormone levels. 
C)  Too little hormone production is initiated. 
D)  Excessive hormone production results from a failure to turn off the system.

Question 20

Target cells for parathyroid hormone are located in the:

Accepted Answer

A)  Tubules of nephrons 
B)  Thyroid gland 
C)  Glomeruli of nephrons 
D)  Smooth and skeletal muscles 
A)  Tubules of nephrons 
B)  Thyroid gland 
C)  Glomeruli of nephrons 
D)  Smooth and skeletal muscles

Exam 21: Mechanisms of Hormonal Regulation

Which substance is a water-soluble protein hormone?

Match the anatomic structure with its hormone.Names of structures may be used more than once. -Oxytocin

The control of calcium in cells is important because it:

Match the anatomic structure with its hormone.Names of structures may be used more than once. -Cortisol

The secretion of adrenocorticotropic-stimulating hormone (ACTH)will result in the increased level of which hormone?

Aldosterone directly increases the reabsorption of:

Which compound or hormone is secreted by the adrenal medulla?

Match the anatomic structure with its hormone.Names of structures may be used more than once. -Calcitonin

Thyroid-stimulating hormone (TSH)is released to stimulate thyroid hormone (TH)and is inhibited when plasma levels of TH are adequate.This is an example of:

Which hormone is involved in the regulation of serum calcium levels?

Which hormone does the second messenger calcium (Ca⁺⁺)bind to activate phospholipase C through a G protein?

Match the anatomic structure with its hormone.Names of structures may be used more than once. -Glycoproteins

What are actions of glucocorticoids? (Select all that apply.)

Which hormone triggers uterine contractions?

What imbalance lessens the rate of secretion of parathyroid hormone (PTH)?

Regulation of the release of catecholamines from the adrenal medulla is an example of which type of regulation?

When insulin binds its receptors on muscle cells,an increase in glucose uptake by the muscle cells is the result.This is an example of what type of effect by a hormone?

What effect does hyperphosphatemia have on other electrolytes?

How does a faulty negative-feedback mechanism result in a hormonal imbalance?

Target cells for parathyroid hormone are located in the:

Cellular Biology

Altered Cellular and Tissue Biology

The Cellular Environment: Fluids and Electrolytes, Acids and Bases

Genes and Genetic Diseases

Genes, Environment-Lifestyle, and Common Diseases

Epigenetics and Disease

Innate Immunity: Inflammation

Adaptive Immunity

Alterations in Immunity and Inflammation

Infection

Stress and Disease

Cancer Biology

Cancer Epidemiology

Cancer in Children

Structure and Function of the Neurologic System

Pain, Temperature Regulation, Sleep, and Sensory Function

Alterations in Cognitive Systems,Cerebral Hemodynamics,and Motor Function

Disorders of the Central and Peripheral Nervous Systems and the Neuromuscular Junction

Neurobiology of Schizophrenia, Mood Disorders, and Anxiety Disorders

Alterations of Neurologic Function in Children

Alterations of Hormonal Regulation

Structure and Function of the Reproductive Systems

Alterations of the Female Reproductive System

Alterations of the Male Reproductive System

Sexually Transmitted Infections

Structure and Function of the Hematologic System

Alterations of Erythrocyte Function

Alterations of Leukocyte, Lymphoid, and Hemostatic Function

Alterations of Hematologic Function in Children

Structure and Function of the Cardiovascular and Lymphatic Systems

Alterations of Cardiovascular Function

Alterations of Cardiovascular Function in Children

Structure and Function of the Pulmonary System

Alterations of Pulmonary Function

Alterations of Pulmonary Function in Children

Structure and Function of the Renal and Urologic Systems

Alterations of Renal and Urinary Tract Function

Alterations of Renal and Urinary Tract Function in Children

Structure and Function of the Digestive System

Alterations of Digestive Function

Alterations of Digestive Function in Children

Structure and Function of the Musculoskeletal System

Alterations of Musculoskeletal Function

Alterations of Musculoskeletal Function in Children

Structure, Function, and Disorders of the Integument

Alterations of the Integument in Children

Shock, Multiple Organ Dysfunction Syndrome, and Burns in Adults

Shock, Multiple Organ Dysfunction Syndrome, and Burns in Children

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