Practice Questions ( Moms Quiz) Flashcards
In the withdrawal reflex, what happens in the opposite leg when standing ?
Cross extensor reflex
The area of skin innervated by ONLY 1 peripheral nerve
Autonomous zone
Made up of more than one spinal nerve
A peripheral nerve
Signs of lower motor lesions
Paralysis
Reflex changes
Twitches
If absent perineal reflex what dysfunction could be present
Bladder
What type of neuron is in the brainstem and cortex
Upper motor
What do lower motor neurons go to ?
Alpha motor neuron contacts skeletal muscles
All spinal cord nerves exit _______ EXCEPT C1-C7 come out ______
Caudal
Cranial
Biceps reflex test
What nerve innervates the biceps ?
Which spinal cord segments ?
Musculocutaneous nerve
C8
Triceps reflex test
Nerve ?
Spinal cord segments
Radial nerve
C7-C8-T1
Name 2 catecholamines
Epinephrine
Norepinephrine
Where are catecholamines made?
Chroffamin
A1 receptors
Mostly excitatory
Cause contraction of smooth muscle
Decrease gut motility
Dilate eye
A2 receptors
Mostly inhibitory
Stops insulin
Relax gut so slow motility
B1 receptors
Stimulate heart
Increase BP
B2
Inhibits
Relax bronchioles
Glycogenolysis
B3
Lypolysis
Glycogenolysis
The precursor of epinephrine is
A. Dopamine
B. Norepinephrine
C. Adrenaline
D. Tyrosine
B
The HPA axis regulated the adrenal medulla by
A. Increasing the response of the hear to epi
B. Facilitating the release of dense core vesicles
C. Increasing the synthesis of epi
D. Increasing tyrosine uptake
C.
What is the action of B1 receptors
A. Increase fatty acid availability
B. Lowering blood pressure
C. Increasing heart rate
D. Inhibition of insulin secretion
C.
