Medical MCQs

5099 MCQs  (Page 445 of 510)

Progesterone production in the ovary is primarily by______________?
A. Stroma
B. Corpora albicans
C. Corpora lutea
D. Mature follicles
In thyrotoxicosis , there is______________?
A. Decrease in calcium excretion
B. Increase in serum proteins which bind throxine
C. Potentiation of catecholamine action
D. Increase in calcium excretion
The catecholamines secreted by adrenal medulla______________?
A. Increases the blood glucose level by favoring glycogenolysis in blood and muscle cells
B. Decrease the level o free fatty acids and ketone bodies
C. Increase the splanchnic blood flow
D. Are under the control of parasy
Regarding myxedema the following are true except______________?
A. Swollen, oedematous look of the face
B. Impotency, amenorrhea
C. B.m.r increased by 30 -45%
D. Dullness, loss of memory
Human chorionic gonadotrophin hormone ( HCG)______________?
A. Acts on the uterus to maintain integrity of endometrium in early pregnancy
B. Production is greatest in the last three months of pregnancy
C. Can be identified in the urine of pregnant women by immunological technique
D. Is a steroid hormone
Which is false regarding insulin______________?
A. Secreted by beta cells
B. Glycopeptide
C. Causes lipogenesis
D. Promotes glycogenesis
Thyroxine causes all the following except______________?
A. Decreased cell metabolism
B. Increased oxygen consumption
C. Increased pulmonary ventilation
D. Increased basal metabolism