Mock Answers I got wrong Flashcards
What are the terminal branches of the brachial plexus?
Musculocutaneous Axillary Median Radial Ulnar
MAMRU
What layer of the trilamminar disc is the Epithelial lining of the GI tract formed from?
The endoderm (innerlining = Endo)
What layer of the trilamminar disc is the Muscles of the GI tract formed from?
The Mesoderm
What muscles facilitate peristalsis? Are they longditudinal or circular?
longitudinal ribbons of smooth muscle on the outside of the colon; they facilitate peristalsis by contracting to shorten the bowel wall.
What do Haustra do?
They are bulges and help increase surface area
What artery is at most risk of peptic ulcers?
The Gastroduodenal artery
What are the nervous innervation to the bladder?
The hypogastric nerve is sympathetic, and is responsible for the relaxation of the detrusor muscle, which promotes urine retention,
The pelvic Splhanic nerve is parasympathetic and is responsible for the contraction of the detrusor muscle, which stimulates micturition.
The pudendal nerve provides somatic innervation to the external urethral sphincter, allowing for voluntary control of micturition.
Sensory afferent nerves report to the brain when the bladder becomes full, signalling that you need to urinate soon.
Where do pre synaptic neurons and post synaptic neurons synpase?
What neurotransmitter is released between these?
In the sympathetic chain ganglia on levels between T1 and L2
Acetylcholonine is released between these
What Cranial nerves contain parasympathetic fibres?
Oculomotor nerve (III) Facial nerve (VII) Glossopharyngeal nerve (IX) Vagus nerve (X)
Where does the Pons and cerebellum form form?
The Mentencephalon, of the Rhombecephalon
What does the Mylencephalon form?
The Medulla
What signals short term satiey directly after meals?
CCK
Leptin is longer term