The neuromuscular transmitter released at neuromuscular junction is_______________?
(A) Dopamine
(B) Epinephrine
(C) Nor epinephrine
(D) Acetylcholine
A motor unit is made up of______________?
(A) A flexor muscle and an extensor muscle
(B) A single skeletal muscle and all the motor peurons that supply it
(C) A single motor neuron and all the muscle fibers it innervates
(D) All the motor neurons in which response are observed after maximal stimulation of a single sensory nerve
Non true regarding Na/K pump is______________?
(A) Pumps Na against a gradient
(B) 5 Na+ exchanged for 2K+
(C) Increase in intracellular Na
(D) Hypocalcemia inhibits the pump
Succinyl choline acts to block neuromuscular transmission by_______________?
(A) Inhibiting cholinesterase
(B) Inhibiting the CNS
(C) Depolarizing the motor end plate of skeletal muscle
(D) Blocking the release of acetyl choline at the end plate
_________ is an example for rapidly acting neurotransmitter?
(A) Somatostatin
(B) Calcitonin
(C) Substance P
(D) Glycine
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
Valve of Hasner is present at________________?
(A) Stensons duct
(B) common bile duct
(C) Naso lacrimal duct
(D) maxillary Sinus
The processing of short-term memory to long term memory is done in_______________?
(A) Prefrontal cortex
(B) Hippocampus
(C) Neocortex
(D) Amygdala
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
Decreased basal metabolic rate is seen in_______________?
(A) Obesity
(B) Hyperthyroidism
(C) Feeding
(D) Exercise