Q. No.Pars distalis is:
1. the posterior lobe of pituitary made of neural tissue
2. the well developed intermediate lobe of pituitary in humans
3. the major part of the adenohypophysis
4. the connection between anterior pituitary and hypothalamus
1. the posterior lobe of pituitary made of neural tissue
2. the well developed intermediate lobe of pituitary in humans
3. the major part of the adenohypophysis
4. the connection between anterior pituitary and hypothalamus
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All the following hormones are produced by anterior pituitary except:
| 1. Gonadotropins | 2. ACTH |
| 3. Prolactin | 4. Melatonin |
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The definition of hormone describes them as having all the following features except:
| 1. non-nutrient chemicals | 2. intra-cellular messengers |
| 3. produced in trace amounts | 4. act on distant target organs |
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ADH and oxytocin are synthesized by:
| 1. Anterior pituitary | 2. Hypothalamus |
| 3. Pars intermedia | 4. Pars nervosa |
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Which of the following endocrine glands is under direct neural regulation of hypothalamus?
| 1. Pineal | 2. Adrenal medulla |
| 3. Posterior pituitary | 4. Anterior pituitary |
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The releasing hormones and inhibitory hormones secreted by hypothalamus reach anterior pituitary by:
| 1. | portal circulation | 2. | axons |
| 3. | general circulation | 4. | lymph |
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Match each item in Column I [Hormone] with one in Column II [Chemical class] and select your answer from the codes given:
|
Column I |
|
Column II |
|
|
A. |
ACTH |
a. |
Peptide |
|
B. |
Estradiol |
b. |
Steroid |
|
C. |
Thyroxine |
c. |
Amino-acid derived |
|
D. |
Epinephrine |
d. |
Iodothyronine |
Codes
| A | B | C | D | |
| 1. | a | b | c | d |
| 2. | a | b | d | c |
| 3. | b | a | d | c |
| 4. | b | a | c | d |
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Graves’ disease is characterized by all the following except:
| 1. | Exopthalmos | 2. | Tachycardia |
| 3. | Toxic goiter | 4. | Weight gain |
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Thymus:
I. is located ventral to the heart/aorta
II. plays a major role in differentiation of T-lymphocytes
III. promotes production of antibodies
IV. enlarges with age
1. Only I, II and III are correct
2. Only I, III and IV are correct
3. Only II, III and IV are correct
4. I, II, III and IV are correct
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The function of aldosterone is mainly:
1. reabsorption of sodium and water at distal renal tubules
2. growth of axial, pubic and facial hair
3. vasodilation leading to polyuria
4. mobilization of metabolites for energy
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