What part of the neuron receives incoming signals?
Dendrites
which part of the eye controls the size of the pupil?
iris
which gland secretes epinephrine and norepinephrine
adrenal medulla (dont accept adrenal)
What's the name of the part of the brain responsible for processing visual stimuli?
occipital lobe
which part of the eye contains rodsd and cones`
retina
What's the resting potential of most neurons?
-70 mV (accept -65 to -75)
name the 3 bones of the middle ear that transmit vibations (in order)
malleus incus stapes
Which organ is responsible for the conversion of 25-hydroxyvitamin D to calcitriol (1,25 hydroxyvitamin D)
Kidney
Brain structure whose degeneration causes memory loss in Alzheimer’s disease.
hippocampus
pump maintains resting potential by driving out _ Na+ and driving _ K+ in
3. 2
Which molecule does caffeine mimic to keep people awake?
adenosine
low frequency sounds are detected at the _ of the cochlea and high frequency sounds are detected at the _
peak, base
A patient presents with fatigue, weight gain, cold intolerance, and dry skin. Blood tests reveal high TSH and low T₄ levels. What disease is most likely?
hashimotos thyroiditis
Hormone that raises blood calcium by stimulating osteoclasts.
Answer: PTH (Parathyroid hormone)
Protein in rods that changes conformation in response to light to start phototransduction.
rhodopsin
Parkinson’s disease involves accumulation of what misfolded protein within Lewy bodies?
alpha synuclein
When light strikes the retina, in a photoreceptor: c_MP is decreased and closes Na+ channels. Then,
Cell is __polarized and glutamate production is ____
cGMP, hyper, reduced
Which of these hormones is most likely to have an intracellular receptor?
(show picture on slide)
Its B
Ion that enters through NMDA receptors to initiate LTP.
Ca2+
A patients have elevated blood glucose: shows low insulin and anti-GAD antibodies. Identify disease
Type 1 diabetes mellitus
During long-term potentiation, which receptor type allows calcium influx that triggers synaptic strengthening?
NMDA receptor
A patient lost their sight in the right half of both eyes. Which part is most likely to be severed?
1) Left optic nerve (prechiasm)
2) Optic chiasm
3) Right optic tract
4) left optic tract
5) right optic nerve (prechiasm)
(select one)
which of the steroid hormones has immune inhibition functions?
cortisol
The utricle and saccules are part of the vestibular system. Which one is responsible for detecting up and down movements? Side to side?
Cranial nerve carrying taste from the anterior 2/3 of the tongue.
CN VII (Facial nerve)