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Quiz 9
Mdcat-past-papers - NMDCAT Quiz
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Board: NMDCAT |
161. The speed of nerve impulse in myelinated nerves is many time higher than non-myelinated nerves due to:
Saltatory conduction
myelinated neurons use more energy
continuous impulse
myelinated fibres are thin
162. Which of the following neurotransmitter function, Both as neurotransmitter and hormones decreasing our perception of pain?
Epinephrine
Serotonin
Dopamine
Endorphins
163. A — is a junction between two neurons or between a motor neuron and a muscle cell:
Epinephrine
Serotonin
Synaptic knob
Dopamine
164. The terminal part of axon of one neuron forming synapse with the other neuron ends in:
Dendrite of next neuron
post synaptic neuron
synaptic knob
a & b
165. Memory loss occurs in which disease?
parkinson's disease
alzheimer's disease
alzheimer's disease
occur in all
166. Which one is example of steroid hormone?
Cortisol
testosterone
estrogen
all of above
167. Glucagon is released from:
Liver
islets of Langerhans
spleen
exocrine cells of pancreas
168. Which hormone is not secreted by placenta?
LH
progesterone
estrogen
all are secreted by placenta
169. What is effect of STH on human body?
increase thyroxine secretion
increase heart rate
increase growth rate
increase adrenal gland secretion
170. In female androgens are secreted by:
Adrenal cortex
Adrenal medulla
Pancreas
thyroid gland
171. Thyroid stimulating hormone is released by?
Hypothalamus
anterior pituitary
posterior pituitary
Thyroid gland
172. The nature of adrenaline hormone is:
Amino acid derivative
protein in nature
Lipid in nature
not a hormone
173. Goiter is formed in which disease?
Hyperthyroidism
Hypothyroidism
Epilepsy
All of above
174. Which body function is controlled through positive feedback mechanism:
Labour contractions
body temperature
Insulin Production
Thyroxine release
175. Insufficient thyroxine in adults causes ------- disease.
Cretinism
Graves disease
hyperthyroidism
Myxoedema
176. Sperms form in seminiferous tubules and stored in ……… part of reproductive organ?
Vasa efferentia
Ductus deferens
Epididymis
Seminal vesicle
177. The process of sperm production takes place at:
Body temperature
2°C above body temperature
2°C below body temperature
Independent of temperature
178. Sperms are transported from the site of production to epididymis through:
Urethra
Sperm duct
Ejaculation
Vasa efferentia
179. Sperms from testes to urethra are carried through:
Sperm duct
Scrotum
Fallopian tube
Seminal vesicle
180. Male reproductive system consists of a pair of testes which lie in a sac called:
Pelvic cavity
Abdominal cavity
Scrotum
Prostate gland
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