Phys I- Final Exam Flashcards
Three Semicircular Canals and Their Sense
- Superior
- nod “yes” - Posterior
- lateral head tilt - Horizontal
- shake head “no”
Otolith Organs Hair Cells
- Utricle
- horizontal
- linear acceleration - Saccule
- vertical
- elevation
Sympathetic:
- Pre Ganglionic Origin
- Post Ganglionic Origin
- Pre Ganglionic Length
- Post Ganglionic Length
- Type of Receptors Pre-Ganglionic
- Type of Receptors Post-Ganglionic
- Dominance
- Thoracic/Lumbar
- Sympathetic or Collateral Ganglion
- Short
- Long
- ACh (cholinergic)
- NE or E (Adrenergic)
- Fight or Flight
Parasympathetic:
- Pre Ganglionic Origin
- Post Ganglionic Origin
- Pre Ganglionic Length
- Post Ganglionic Length
- Type of Receptors Pre-Ganglionic
- Type of Receptors Post-Ganglionic
- Dominance
- Cranial/Sacral Region
- Terminal Ganglia or Effector
- Long
- Short
- ACh (nicotinic)
- ACh (musacrinic)
- General Housekeeping
Two Types of Cholinergic Neurotransmitters
- Nicotinic
2. Musacrinic
Co-Operative Neurotransmitter Example
Salivary
thick- sympathetic
watery-parasympathetic
Alpha 1
- NE>E
- excitatory
- CA2+ 2nd Messenger
Alpha 2
- inhibitory
- CAMP 2nd Messenger
- decreases insulin
- relaxes smooth muscle
Beta 1
- NE=E
- excitatory
- kidneys produce renin
- increases heart rate
Beta 2
-NE
Beta 3
- NE>E
- excitatory
- burns fat
ANS
- Origin
- Number of Neurons
- Effector Organ
- Innervated Organ Neurotransmitter
- Neurotransmitter Effect
- Type of Control
- Centres of Control
- brain or lateral horn
- Two
- Cardiac, smooth, exocrine, endocrine
- ACh or NE
- stimulation or inhibition
- involuntary
- spinal cord, medulla, hypothalamus, prefrontal association cortex
SNS
- Origin
- Number of Neurons
- Effector Organ
- Innervated Organ Neurotransmitter
- Neurotransmitter Effect
- Type of Control
- Centres of Control
- ventral horn
- one
- skeletal
- ACh
- Stimulation
- Voluntary
- Spinal Cord, motor cortex, basal nuclei, cerebellum, brain stem
Short Chain Hydrophilic Hormone
insulin
Long Chain Hydrophilic Hormone
- catecholamines
- NE, E, dopamine
- adrenal medulla
Circulation of Hydrophilic Hormones
- 50% membrane bound
- 50% free in blood
Location of Receptors of Hydrophilic Hormones
plasma membrane
Lipophilic Hormones
- thyroid
- steroids from cholesterol
Location of Receptors of Lipophilic Hormones
100% membrane bound
Which comes first Translation or Transcription?
Transcription
Cyclic AMP 2nd Messenger System
1st Messenger–> G and Adenyly–> ATP–> CAMP 2nd Messenger –> PKA –> protein phosphorylation –> response
Ca2+ 2nd Messenger System
1st Messenger –> G and Phos C –> PIP2 –> DAG and IP3 –> Ca2+ 2nd Messenger –> Protein change –> resonse
Myosin
- thick
- two functional subunits
1. Tail ends
2. Globular head
Actin
- thin
- tropomyosin and troponin
Tropomyosin
- “off” relaxation
- “on” contraction
- binds to tropomyosin, actin, abd Ca2+
Troponin
- Every 7th bead
- stabilizes tropomyosin when not bound to Ca2+ in “off” position
Sarcomere
- functional unit of contraction
- zig-zag
A-band
- Dark or light
- Location
- dark
2. mysosin