A&p II Test # 1
- 1.What body system homeostasis by communication and coordination using biochemicals secreted directly into the blood stream?
- A.
Integumentary
- B.
Urinary
- C.
Skeletal
- D.
Endocrine
- E.
Muscular
- 2.Which of the following are examples of catecholamines?
- A.
Testosterone, epinephrine, and GH
- B.
Insulin and norepinephrine
- C.
Epinephrine, norepinephrine, and L-dopamine
- D.
Epinephrine and 17-beta-estradiol
- E.
Hepcidin, leptin, and L-dopamine
- 3.Insulin is released into the blood stream by what cells located in what gland?
- A.
Alpha cells, Thymus gland
- B.
Beta cells, Pancreas
- C.
Delta cells, Thyroid gland
- D.
C cells, Parathyroid gland
- E.
Alpha cells, Pancreas
- 4.Glucagon is released into the blood stream by what cells located in what gland?
- A.
Alpha cells, Thymus glands
- B.
Beta cells, Pancreas
- C.
Delta cells, Thyroid gland
- D.
C Cells, Parathyroid gland
- E.
Alpha cells, Pancreas
- 5.What specific cells in what organ secrete the hormone testosterone?
- A.
Corpus luteum, testes
- B.
Corpus albicans, testes
- C.
Sertoli cells, ovaries
- D.
Leydig cells, ovaries
- E.
Leydig cells, testes
- 6.Nervous system responses typically are widespread, react more slowly, continue long after the stimulus ceases, and adapt rather slowly; endocrine system responses, in contrast, are localized and show specific effects, endure 1-10 milliseconds, cease suddenly, and adapt quickly.
- A.
True
- B.
False
- 7.What is the term for the time required to clear 50% of a given hormone from the blood stream?
- A.
Metabolic clearance rate (MCR)
- B.
Lethal dose 50
- C.
Metabolic rate
- D.
Half-life
- E.
LD50
- 8.Assume that a particular hormone has a half-life of 30 minutes, and the initial concentration is 80 units. How many units remain after the hormone has been in the blood stream for 90 minutes?
- A.
40 units
- B.
20 units
- C.
10 units
- D.
5 units
- E.
2.5 units
- 9.Oxytocin (OT) and the anti-diuretic hormone (ADH) are manufactured in the supraoptic and paraventricular nuclei of the hypothalamus of the brain and are temporarily stored in what gland?
- A.
Adenohypophysis
- B.
Neurohypophysis
- C.
Gall Bladder
- D.
Pancreas
- E.
Thymus
- 10.What is the term used to describe a process in which 2 or more hormones act together to produce an effect greater than the sum of their separate effects?
- A.
Sound effect
- B.
Nominal effect
- C.
Synergistic effect
- D.
Permissive effect
- E.
Antagonistic effect
- 11.The hormones estrogen, progesterone, cortisol, aldosterone, and DHEA are all ultimately derived from which "building block" or "pattern"?
- A.
L-amino acids
- B.
Cholesterol
- C.
D-monosaccharides
- D.
Nucleic acids
- E.
Lipids
- 12.The hormones insulin, glucagon, OT, ADH, norepinephrine, L-dopamine, and epinephrine are ultimately derived from which "building blocks:
- A.
L-amino acids
- B.
Cholesterol
- C.
D-monosaccharides
- D.
Nucleic acids
- E.
Lipids
- 13.What 2 hormones are normally secreted by the ovaries?
- A.
Testosterone, estrogen
- B.
Progesterone, testosterone
- C.
Estrogen, testosterone
- D.
Estrogen, progesterone
- E.
Progesterone, GH
- 14.The term "endocrine axis" or "hormonal axis" refers to a negative-feedback (ie. servo) relationship among the hypothalamus, the pituitary gland, and some other endocrine gland, all designed to maintain homeostasis (i.e. balance). A perfectly valid example is CRH-ACTH-Adrenal Cortex.
- A.
True
- B.
False
- 15.What is the name of the hormone that stimulates the secretion of T3 and T4?
- A.
Thyrotropin-releasing hormone (TRH)
- B.
Thyroid-stimulating hormone (TSH)
- C.
Insulin
- D.
Glucagon
- E.
Growth Hormone (GH)
- 16.What is the name of the hormone so-called "salt wasting hormone" since it acts on kidney tubules to enhance hypotonic water tetention?
- A.
Anti-diuretic hormone (ADH)
- B.
Oxytocin (OT)
- C.
Pitocin
- D.
Aldosterone
- E.
Insulin
- 17.What is the name of the hormone that induces labor contraction of the uterine myometrium and post-partum expression of mammary gland milk?
- A.
Anti-diuretic hormone (ADH)
- B.
Oxytocin (OT, Pitocin
- C.
Aldosterone
- D.
Insulin
- E.
Renin
- 18.CRH, GnRH, PRH, and TRH are all releasing hormones?
- A.
True
- B.
False
- 19.CAMP, cGMP, and calcium ion (Ca+2) are all 2nd messengers?
- A.
True
- B.
False
- 20.What is the name of the hormone secreted by the kidneys that stimulates RBC production in bone marrow?
- A.
Thymopoietin
- B.
Leukopoietin
- C.
Erythropotential
- D.
Erythrocentesis
- E.
Erythropoietin
- 21.What glucocorticoid hormone is associated with stress?
- A.
Aldosterone
- B.
Progesterone
- C.
Cortisol
- D.
Testosterone
- E.
DHEA
- 22.Glucagon is secreted in response to hypoglycemia; it stimulates liver glycogenolysis (ie breakdown of glycogen to D-glucose) and gluconeogenesis (ie synthesis of new glucose from L-amino acids); the result is an elevated blood D-glucose level; and it is an antagonist to insulin.
- A.
True
- B.
False
- 23.Aldosterone is a minerlcorticoid produced by the adrenal cortex.
- A.
True
- B.
False
- 24.What is the meaing of the abbreviation I-D DM?
- A.
Insulin-dependent diabetes mellitus
- B.
Insulin-dependent defense mechanism
- C.
Insulin-dopamine defensive mechanism
- D.
Insulin-dependent diabetes menthol
- E.
Insulin-independent diabetes insipidus
- 25.Which disease is the worlds most prevalent metabolic disease and leading cause of adult blindness, renal failure, gangrene, and the necessity for limb amputations?
- A.
Diabetes Insipidus
- B.
Obesity
- C.
Diabetes mellitus
- D.
D-lactose intolerance
- E.
Hypoglycemia
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