What would be the effect of damage to cranial nerve VII?
A. Impaired sense of smell
B. Impaired vision
C. Loss of sensation from face
D. Sagging facial muscles
E. Loss of hearing
D. Sagging facial muscles
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During platelet plug formation,
A. platelets stick to the exposed collagen fibers of injured vessels. B. activated platelets release fibrinogen. C. thrombin is released from endothelial cells. D. vitamin K production increases. E. platelets multiply.
Curare is a poisonous plant extract. Curare molecules have a chemical structure like the neurotransmitter ACh. Curare can bind to the ACh receptor site on the chemically gated ion channels in the motor end plate
Even though curare will bind to the receptor site it will not open the ion channel and no ions will pass through. What do you think the symptoms of curare poisoning would look like? A) Curare will only affect muscles with ACh receptors, paralyzing them. B) Smooth muscles will become stimulated causing quick movement of nutrients through the digestive system. C) Curare will only affect cardiac muscle, causing fibrillations of the heart. D) Muscles will respond too quickly and cause a severe tremor.
Botulism and tetanus toxins both affect the neuromuscular junctions. Perform an Internet search to determine how each of these toxins affects the neuromuscular junctions
What will be an ideal response?
Which type of hormone requires a carrier protein in the blood?
A. Autocrine hormone B. Water-soluble hormone C. Oligopeptide D. Lipid-soluble hormone