Question 1

Antidiuretic hormone acts to cause vasoconstriction when:

Accepted Answer

A)  Urine output is less than 20 ml/hr. 
B)  Serum osmolality is increased. 
C)  Osmotic and oncotic pressures are increased. 
D)  Vasopressin is pharmacologically administered. 
A)  Urine output is less than 20 ml/hr. 
B)  Serum osmolality is increased. 
C)  Osmotic and oncotic pressures are increased. 
D)  Vasopressin is pharmacologically administered.

Question 2

The releasing hormones that are made in the hypothalamus travel to the anterior pituitary via the:

Accepted Answer

A)  Vessels of the zona fasciculata 
B)  Infundibular stem 
C)  Hypophyseal stalk 
D)  Portal hypophyseal blood vessels 
A)  Vessels of the zona fasciculata 
B)  Infundibular stem 
C)  Hypophyseal stalk 
D)  Portal hypophyseal blood vessels

Question 3

Where is antidiuretic hormone (ADH)synthesized,and where does it act?

Accepted Answer

A)  Hypothalamus; renal tubular cells 
B)  Renal tubules; renal collecting ducts 
C)  Anterior pituitary; posterior pituitary 
D)  Posterior pituitary; loop of Henle 
A)  Hypothalamus; renal tubular cells 
B)  Renal tubules; renal collecting ducts 
C)  Anterior pituitary; posterior pituitary 
D)  Posterior pituitary; loop of Henle

Question 4

Which hormone inhibits the secretion of growth hormone (GH)?

Accepted Answer

A)  Somatostatin 
B)  Thyroxine 
C)  Thyroid-stimulating hormone 
D)  Calcitonin 
A)  Somatostatin 
B)  Thyroxine 
C)  Thyroid-stimulating hormone 
D)  Calcitonin

Question 5

The portion of the pituitary that secretes oxytocin is:

Accepted Answer

A)  Posterior 
B)  Inferior 
C)  Anterior 
D)  Superior 
A)  Posterior 
B)  Inferior 
C)  Anterior 
D)  Superior

Question 6

Most protein hormones are transported in the bloodstream and are:

Accepted Answer

A)  Bound to a lipid-soluble carrier 
B)  Free in an unbound, water-soluble form 
C)  Bound to a water soluble-binding protein 
D)  Free because of their lipid-soluble chemistry 
A)  Bound to a lipid-soluble carrier 
B)  Free in an unbound, water-soluble form 
C)  Bound to a water soluble-binding protein 
D)  Free because of their lipid-soluble chemistry

Question 7

Where is oxytocin synthesized?

Accepted Answer

A)  Hypothalamus 
B)  Paraventricular nuclei 
C)  Anterior pituitary 
D)  Posterior pituitary 
A)  Hypothalamus 
B)  Paraventricular nuclei 
C)  Anterior pituitary 
D)  Posterior pituitary

Question 8

Which human physiologic system is believed to be an integral factor in unhealthy aging?

Accepted Answer

A)  Cardiac 
B)  Endocrine 
C)  Central nervous 
D)  Urinary 
A)  Cardiac 
B)  Endocrine 
C)  Central nervous 
D)  Urinary

Question 9

Lipid-soluble hormone receptors are located:

Accepted Answer

A)  Inside the plasma membrane in the cytoplasm 
B)  On the outer surface of the plasma membrane 
C)  Inside the mitochondria 
D)  On the inner surface of the plasma membrane 
A)  Inside the plasma membrane in the cytoplasm 
B)  On the outer surface of the plasma membrane 
C)  Inside the mitochondria 
D)  On the inner surface of the plasma membrane

Question 10

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

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 11

A person who has experienced physiologic stresses will have increased levels of which hormone?

Accepted Answer

A)  Adrenocorticotropic hormone 
B)  Thyroid hormone 
C)  Somatostatin 
D)  Alpha endorphin 
A)  Adrenocorticotropic hormone 
B)  Thyroid hormone 
C)  Somatostatin 
D)  Alpha endorphin

Question 12

What is the target tissue for prolactin-releasing factor?

Accepted Answer

A)  Hypothalamus 
B)  Anterior pituitary 
C)  Mammary glands 
D)  Posterior pituitary 
A)  Hypothalamus 
B)  Anterior pituitary 
C)  Mammary glands 
D)  Posterior pituitary

Question 13

Which of the following is a lipid-soluble hormone?

Accepted Answer

A)  Cortisol 
B)  Oxytocin 
C)  Epinephrine 
D)  Growth hormone 
A)  Cortisol 
B)  Oxytocin 
C)  Epinephrine 
D)  Growth hormone

Question 14

What is the action of calcitonin?

Accepted Answer

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

Question 15

Which mineral is needed for thyroid-stimulating hormone (TSH)to stimulate the secretion of thyroid hormone (TH)?

Accepted Answer

A)  Iron 
B)  Zinc 
C)  Iodide 
D)  Copper 
A)  Iron 
B)  Zinc 
C)  Iodide 
D)  Copper

Question 16

What are the effects of aging on pancreatic cells?

Accepted Answer

A)  Pancreatic cells are replaced by fat cells. 
B)  Increased insulin production is typical. 
C)  Beta cell production increases. 
D)  No appreciable change occurs on pancreatic cells. 
A)  Pancreatic cells are replaced by fat cells. 
B)  Increased insulin production is typical. 
C)  Beta cell production increases. 
D)  No appreciable change occurs on pancreatic cells.

Question 17

Which second messenger is stimulated by epinephrine binding to a b-adrenergic receptor?

Accepted Answer

A)  Calcium 
B)  Inositol triphosphate (IP3) 
C)  Diacylglycerol (DAG) 
D)  Cyclic adenosine monophosphate (cAMP) 
A)  Calcium 
B)  Inositol triphosphate (IP3) 
C)  Diacylglycerol (DAG) 
D)  Cyclic adenosine monophosphate (cAMP)

Question 18

Which is an expected hormonal change in an older patient?

Accepted Answer

A)  Thyroid-stimulating hormone secretion below normal 
B)  Triiodothyronine level below normal 
C)  Cortisol level below normal 
D)  Adrenocorticotropic hormone level above normal 
A)  Thyroid-stimulating hormone secretion below normal 
B)  Triiodothyronine level below normal 
C)  Cortisol level below normal 
D)  Adrenocorticotropic hormone level above normal

Question 19

Insulin transports which electrolyte in the cell?

Accepted Answer

A)  Potassium 
B)  Calcium 
C)  Sodium 
D)  Phosphorus 
A)  Potassium 
B)  Calcium 
C)  Sodium 
D)  Phosphorus

Exam 21: Mechanisms of Hormonal Regulation

Antidiuretic hormone acts to cause vasoconstriction when:

The releasing hormones that are made in the hypothalamus travel to the anterior pituitary via the:

Where is antidiuretic hormone (ADH)synthesized,and where does it act?

Which hormone inhibits the secretion of growth hormone (GH)?

The portion of the pituitary that secretes oxytocin is:

Most protein hormones are transported in the bloodstream and are:

Where is oxytocin synthesized?

Which human physiologic system is believed to be an integral factor in unhealthy aging?

Lipid-soluble hormone receptors are located:

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

A person who has experienced physiologic stresses will have increased levels of which hormone?

What is the target tissue for prolactin-releasing factor?

Which of the following is a lipid-soluble hormone?

What is the action of calcitonin?

Which mineral is needed for thyroid-stimulating hormone (TSH)to stimulate the secretion of thyroid hormone (TH)?

What are the effects of aging on pancreatic cells?

Which second messenger is stimulated by epinephrine binding to a b-adrenergic receptor?

Which is an expected hormonal change in an older patient?

Insulin transports which electrolyte in the cell?

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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