THEORY TEST #1 Flashcards
Which Endocrine Gland is located in the Pelvic Cavity? A) Pituitary B) Adrenal C) Thyroid D) Ovary
D) Ovary
What is NOT a characteristic of Endocrine system function?
A) Stimulation is usually local and short-lived
B) Affects body systems through hormone action
C) Affects protein synthesis and temperature change
D) Usually has a prolonged response to change in the environment
A) Stimulation is usually local and short-lived
- Which statement is TRUE of Endocrine glands, but NOT Exocrine glands?
A) They produce and secrete specific substances
B) Glands vary in size, shape, and location
C) Secretions are carried in the blood stream
D) They are important in maintaining homeostasis
C) Secretions are carried in the blood stream
4. Which Hormone is NOT secreted by the Pituitary Gland? A) Growth Hormone B) Thyroid Releasing Hormone C) Anti-Diuretic Hormone D) Follicle stimulating Hormone
B) Thyroid Releasing Hormone
- Which statement about the Pituitary Gland is TRUE?
A) The Pituitary gland only secretes Tropic Hormones
B) The Anterior Pituitary is known as the Neuropophysis
C) The Posterior Pituitary is known as the Adenohypophysis
D) They are produced in small quantities
D) They are produced in small quantities
- Which statement about Hormones is FALSE?
A) They are secreted to their target organs via ducts
B) They are released into the systemic circulation
C) They bind to receptors on target cells
D) They are produced in small quantities
A) They are secreted to their target organs via ducts
- Which statement about Hormones is TRUE?
A) Adrenocorticotropic Hormone (ACTH) stimulates secretion of Hormones from the Adrenal Cortex
B) Prolactin triggers menstruation and milk letdown
C) Thyroid stimulating hormone stimulates the thyroid gland to secrete calcitonin
D) Antidiuretic hormone stimulates kidney tubule cells to excrete water
A) Adrenocorticotropic Hormone (ACTH) stimulates secretion of Hormones from the Adrenal Cortex
8. What is the Male sex Hormone? A) Estrogen B) Aldosterone C) Testosterone D) Progesterone
C) Testosterone
9. A person has elevated thyroid stimulating hormone levels. Which sign/symptom are they least likely to experience? A) Increased metabolic rate B) Increased sweating C) Heat intolerance D) Cold intolerance
D) Cold intolerance
- Which statement about hypothalamic hormones is TRUE?
A) They stimulate the Posterior Pituitary gland
B) They govern the Anterior Pituitary gland
C) They convert into oxytocin and antidiuretic hormone
D) They are classified as somatic hormones
B) They govern the Anterior Pituitary gland
- What is a humeral trigger of Endocrine gland secretion?
A) Stimulation by post-ganglionic sympathetic nerve fibres
B) Increased secretion of thyroid stimulating hormone
C) Increased secretion of tropic hormones
D) Decreased calcium blood levels
D) Decreased calcium blood levels
12. The body’s response of increasing the number of hormone receptors on a target cell best describes which process? A) Up-regulation B) Down-regulation C) Direct gene activation D) 2nd messenger system
A) Up-regulation
- Which statement about changes in endocrine function is TRUE?
A) Pathologies are due to excesses or deficits in hormone secretion
B) Hypofunction is primarily a secondary endocrine disorder
C) Hypofunction is usually due to hyperplasia or neoplasia
D) Most pathologies are due to nutritional imbalances
A) Pathologies are due to excesses or deficits in hormone secretion
14. Diabetes insipidus is a pathology associated with which organ? A) Pancreas B) Stomach C) Kidney D) Liver
C) Kidney
- What is a manifestation of Cushing’s disease?
A) Deficit in glucocorticoid production
B) Deficit in the production of ACTH
C) Bilateral atrophy of the Adrenal glands
D) Hypercortisolism due to excess ACTH secretion
D) Hypercortisolism due to excess ACTH secretion
16. What is NOT a typical cause of Endocrine gland Hyperfunction? A) Neoplams B) Defective cell receptors C) Hyperplasia of the gland D) Excessive glandular secretion
B) Defective cell receptors
17. What is NOT a primary target organ of growth hormone in adults? A) Liver B) Muscle C) Bone D) Glands
D) Glands
18. What is NOT a function of Thyroid Hormone? A) Decreased glucose catabolism B) Fatty acid mobilization C) Body heat production D) Regulation of basal metabolic rate
A) Decreased glucose catabolism
- Which statement about goiters is TRUE?
A) All goiters compress the trachea and esophagus, causing dysphagia
B) Toxic goiter is severe hypothyroidism with little thyroxine secretion
C) They are caused by thyroid hypertrophy forming a prominent bulge in the neck
D) They are large thyroid growths always affecting the entire gland
C) They are caused by thyroid hypertrophy forming a prominent bulge in the neck
20. What is a hypersecretion disorder of the thyroid gland? A) Graves Disease B) Cretinism C) Myxedema D) Hashimoto’s Disease
A) Graves Disease
- Which signs/symptoms are typical of Graves’ disease?
A) Cold intolerance, Lethargy, Weight Gain
B) Decreased appetite, bradycardia, dyspnea
C) Increased appetite, weight loss, irritability
D) Excessive sweating, bradycardia, lethargy
C) Increased appetite, weight loss, irritability
22. Which state is common to Graves’ disease, Addison’s Disease and Cushing’s syndrome? A) Glandular dysfunction B) Hormone hyposecretion C) Hormone hypersecretion D) Excessive hormone production
A) Glandular dysfunction
23. Which mechanism is NOT stimulated by calcium ions? A) Hemostasis B) Inflammation C) Neural function D) Muscle contraction
B) Inflammation
- Which mechanism does NOT increase blood calcium levels?
A) Increased reabsorbtion from the kidney tubules
B) Increased secretion of parathyroid hormone
C) Increased reabsorbtion from the intestine
D) Increased secretion of calcitonin
D) Increased secretion of calcitonin
- Which statement about calcium metabolism is TRUE?
A) Changes in calcium plasma levels do not impact bone mass throughout life
B) The human body contains approximately 4 kg of elemental calcium
C) Calcium and sodium are the primary contributor to bone salts
D) Parathyroid hormone regulates blood calcium levels
D) Parathyroid hormone regulates blood calcium levels
26. Which sign/symptom is typical of hypoparathyroidism? A) Hypo-excitable neurons B) Kidney stones C) Muscle tetany D) Inflammatory myopathies
C) Muscle tetany
- Which statement about the adrenal glands is TRUE?
A) The adrenal glands are located in the anterior neck
B) The adrenal cortex produces and secretes aldosterone
C) The adrenal cortex produces and secretes epinephrine
D) The adrenal Medulla produces and produces sex hormones
B) The adrenal cortex produces and secretes aldosterone
28. Which disorder is associated with hyperaldosteronism? A) Conn’s disease B) Addison’s disease C) Hashimoto’s disease D) Cushing’s syndrome
A) Conn’s disease
- Which statement about hyperaldosteronism is FALSE?
A) It increases renin-angiotenisn activity
B) It can lead to headaches and muscle weakness
C) It causes sodium retention and excess potassium secretion
D) It results in increased blood volume and hypertension
A) It increases renin-angiotenisn activity
30. What is NOT an effect of cortisol in the body? A) Immune system depression B) Emotional stability C) Anti-inflammatory D) Decreased blood glucose levels
D) Decreased blood glucose levels
31. What is NOT an effect of cortisol hypersecretion A) Increased protein breakdown B) Decreased blood glucose levels C) Suppressed immune response D) Possible emotional fluctuations
B) Decreased blood glucose levels
32. What is an exogenous cause of Cushing’s syndrome? A) Adrenal Tumor’s B) Bronchogenic carcinoma C) Anterior Pituitary gland Tumour D) Excessive use of steroid therapy
D) Excessive use of steroid therapy
- Which statement about adaptation is FALSE?
A) The body is constantly responding to changes in the environment
B) Adaptations are changes that threaten the integrity of body systems
C) Body systems increase or decrease activity to compensate for changes
D) Psychological or behavioural changes help withstand the stress of living
B) Adaptations are changes that threaten the integrity of body systems
- Which statement about stress is TRUE?
A) There are various physiological responses to psychological stressors
B) Stress always contributes to balanced physiological function
C) The stress humans can withstand without pathological consequences is universal
D) Most physiological responses are controlled by positive feedback mechanism
A) There are various physiological responses to psychological stressors
35. Which system is key in providing responses to stress? A) Digestive B) Urinary C) Reproductive D) Endocrine
D) Endocrine
- Which statement about the stress response is TRUE?
A) Conditioning of the person exposed to stress plays a role in their response
B) The age and sex of the individual are most important in determining the response
C) The only factor that determines the stress response is the type of stressor
D) Only humans can respond effectively to stressors
A) Conditioning of the person exposed to stress plays a role in their response