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Medical Science Mcqs 5254 MCQs [All-Courses]

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Medical Science is the study of human health, diseases, prevention, and treatment, focusing on diagnosis, patient care, and medical research to improve healthcare outcomes.

All Topics  5254

False about blood brain barrier is_______________?
A There are gaps between tight junctions at the active sites
B There are no gaps between active sites
C Less activity in the membrane
D Fibronectin provides a barrier for diffusion
Correct Answer: There are gaps between tight junctions at the active sites
The processing of short-term memory to long term memory is done in_______________?
A Prefrontal cortex
B Hippocampus
C Neocortex
D Amygdala
Correct Answer: Hippocampus
Valve of Hasner is present at________________?
A Stensons duct
B common bile duct
C Naso lacrimal duct
D maxillary Sinus
Correct Answer: Naso lacrimal duct
Regarding Golgi tendon organ true is ______________?
A Senses dynamic length of muscle
B Involved in reciprocal innervation
C a- motor neuron stimulation
D Sense muscle tension
Correct Answer: Sense muscle tension
_________ is an example for rapidly acting neurotransmitter?
A Somatostatin
B Calcitonin
C Substance P
D Glycine
Correct Answer: Glycine
primary cause of bleeding disorder in liver damage is due to______________?
A Decreased level of prothrombin
B Lack of vitamin K
C Platelet deficiency
D Lack of vitamin B
Correct Answer: Decreased level of prothrombin
Open faced nucleus in a cell signifies______________?
A That the cell is resting
B that the cell is active
C nothing
D that the cell is in transition phase
Correct Answer: that the cell is active
When a person lies down_______________?
A There is immediate increase in venous return
B Heart rate becomes stable at slightly more than normal
C Cerebral blood flow increase & becomes stable at more than normal
D Blood flow to the Apex of lung decrease
Correct Answer: There is immediate increase in venous return
In a DNA molecule adenine always forms a linkage with______________?
A Guanine
B Cytosine
C Thymine
D Uracil
Correct Answer: Thymine
The oral and pharyngeal phases of swallowing take place very rapidly and last about______________?
A 3.5 seconds
B 1-1.5 seconds
C 6.0 seconds
D 9.5 seconds
Correct Answer: 1-1.5 seconds
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