Question 1

Antidiuretic hormone is important in:

Accepted Answer

A)  the body's water balance and urine concentration. 
B)  maintaining electrolyte levels and concentrations. 
C)  follicular maturation. 
D)  regulation of metabolic processes. 
A)  the body's water balance and urine concentration. 
B)  maintaining electrolyte levels and concentrations. 
C)  follicular maturation. 
D)  regulation of metabolic processes.

Question 2

To adapt to high hormone concentrations, many target cells have the capacity for:

Accepted Answer

A)  negative feedback. 
B)  positive feedback. 
C)  down-regulation. 
D)  up-regulation. 
A)  negative feedback. 
B)  positive feedback. 
C)  down-regulation. 
D)  up-regulation.

Question 3

A 50-year-old female patient underwent surgery to remove a pituitary tumor. During surgery, the pituitary stalk was severed. Secretion of which of the following hormones would increase?

Accepted Answer

A)  PRL 
B)  TSH 
C)  GH 
D)  LH 
A)  PRL 
B)  TSH 
C)  GH 
D)  LH

Question 4

A 30-year-old male was diagnosed with hypothyroidism. Synthesis of which of the following would decrease in this patient?

Accepted Answer

A)  Corticosteroid B globulin 
B)  Sex hormone binding globulin 
C)  Thyroid binding globulin 
D)  Albumin 
A)  Corticosteroid B globulin 
B)  Sex hormone binding globulin 
C)  Thyroid binding globulin 
D)  Albumin

Question 5

A 45-year-old female has elevated thyroxine production. Which of the following would accompany this condition?

Accepted Answer

A)  Increased TRH 
B)  Increased anterior pituitary stimulation 
C)  Decreased T3 
D)  Decreased TSH 
A)  Increased TRH 
B)  Increased anterior pituitary stimulation 
C)  Decreased T3 
D)  Decreased TSH

Question 6

Insulin has an effect on which of the following groups of electrolytes?

Accepted Answer

A)  Sodium, chloride, phosphate 
B)  Calcium, magnesium, potassium 
C)  Hydrogen, bicarbonate, chloride 
D)  Potassium, magnesium, phosphate 
A)  Sodium, chloride, phosphate 
B)  Calcium, magnesium, potassium 
C)  Hydrogen, bicarbonate, chloride 
D)  Potassium, magnesium, phosphate

Question 7

A 40-year-old male undergoes surgery for a parathyroid hormone-secreting tumor. Which of the following would be expected following surgery?

Accepted Answer

A)  Increased serum calcium 
B)  Decreased bone formation 
C)  Decreased calcium reabsorption in the kidney 
D)  Increased calcitonin 
A)  Increased serum calcium 
B)  Decreased bone formation 
C)  Decreased calcium reabsorption in the kidney 
D)  Increased calcitonin

Question 8

The main site of aldosterone synthesis is the:

Accepted Answer

A)  liver. 
B)  kidneys. 
C)  adrenal cortex. 
D)  hypothalamus. 
A)  liver. 
B)  kidneys. 
C)  adrenal cortex. 
D)  hypothalamus.

Question 9

Prolactin-inhibiting factor's target tissue is the:

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 10

Removal of the posterior pituitary would cause a decrease in the release of which hormone?

Accepted Answer

A)  PRL 
B)  ADH 
C)  ACTH 
D)  GH 
A)  PRL 
B)  ADH 
C)  ACTH 
D)  GH

Question 11

Which of the following hormones are produced in the hypothalamus?

Accepted Answer

A)  ACTH 
B)  Oxytocin 
C)  PRL 
D)  TSH 
A)  ACTH 
B)  Oxytocin 
C)  PRL 
D)  TSH

Question 12

A 70-year-old female has brittle bones secondary to osteoporosis. Her physician prescribes calcitonin to:

Accepted Answer

A)  activate vitamin D. 
B)  stimulate osteoclastic activity. 
C)  inhibit calcium resorption from bones. 
D)  promote thyroid hormone release. 
A)  activate vitamin D. 
B)  stimulate osteoclastic activity. 
C)  inhibit calcium resorption from bones. 
D)  promote thyroid hormone release.

Question 13

Insulin is primarily regulated by:

Accepted Answer

A)  metabolic rate. 
B)  serum glucose levels. 
C)  prostaglandins. 
D)  enzyme activation. 
A)  metabolic rate. 
B)  serum glucose levels. 
C)  prostaglandins. 
D)  enzyme activation.

Question 14

Lipid-soluble hormone receptors cross the plasma membrane by:

Accepted Answer

A)  diffusion. 
B)  osmosis. 
C)  active transport. 
D)  endocytosis. 
A)  diffusion. 
B)  osmosis. 
C)  active transport. 
D)  endocytosis.

Question 15

Antidiuretic hormone (ADH) and oxytocin are secreted into the bloodstream as active hormones by the:

Accepted Answer

A)  anterior pituitary. 
B)  posterior pituitary. 
C)  hypothalamus. 
D)  pineal gland. 
A)  anterior pituitary. 
B)  posterior pituitary. 
C)  hypothalamus. 
D)  pineal gland.

Question 16

A new hormone was isolated and found to be a water-soluble amine. Which of the following is most like this new hormone?

Accepted Answer

A)  GH 
B)  LH 
C)  ADH 
D)  Epinephrine 
A)  GH 
B)  LH 
C)  ADH 
D)  Epinephrine

Exam 17: Mechanisms of Hormonal Regulation

Antidiuretic hormone is important in:

To adapt to high hormone concentrations, many target cells have the capacity for:

A 50-year-old female patient underwent surgery to remove a pituitary tumor. During surgery, the pituitary stalk was severed. Secretion of which of the following hormones would increase?

A 30-year-old male was diagnosed with hypothyroidism. Synthesis of which of the following would decrease in this patient?

A 45-year-old female has elevated thyroxine production. Which of the following would accompany this condition?

Insulin has an effect on which of the following groups of electrolytes?

A 40-year-old male undergoes surgery for a parathyroid hormone-secreting tumor. Which of the following would be expected following surgery?

The main site of aldosterone synthesis is the:

Prolactin-inhibiting factor's target tissue is the:

Removal of the posterior pituitary would cause a decrease in the release of which hormone?

Which of the following hormones are produced in the hypothalamus?

A 70-year-old female has brittle bones secondary to osteoporosis. Her physician prescribes calcitonin to:

Insulin is primarily regulated by:

Lipid-soluble hormone receptors cross the plasma membrane by:

Antidiuretic hormone (ADH) and oxytocin are secreted into the bloodstream as active hormones by the:

A new hormone was isolated and found to be a water-soluble amine. Which of the following is most like this new hormone?

Cellular Biology

Genes and Genetic Diseases

Altered Cellular and Tissue Biology

Fluids and Electrolytes, Acids and Bases

Innate Defenses: Inflammation

Adaptive Immunity

Hypersensitivities, Infection, and Immune Deficiencies

Stress and Disease

Biology of Cancer and Tumor Spread

Cancer Epidemiology, Manifestations, and Treatment

Cancer in Children

Structure and Function of the Neurologic System

Pain, Temperature, Sleep, and Sensory Function

Concepts of Neurologic Dysfunction

Alterations of Neurologic Function

Alterations of Neurologic Function in Children

Alterations of Hormonal Regulation

Structure and Function of the Hematologic System

Alterations of Hematologic 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 Reproductive Systems

Alterations of the Reproductive Systems, Including Sexually Transmitted Infections

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

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