Desmosomes are more effective than tight junctions in preventing substances from passing between cells.
Indicate whether the statement is true or false
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Question 2) Which of these does not contribute to the cessation of the signal in a synaptic transmission?
A) Neurotransmitter escapes from the synapse into the nearby extracellular fluid.
B) The synaptic knob reabsorbs some neurotransmitters by endocytosis.
C) Synaptic vesicles secrete neurotransmitter by exocytosis.
D) Neurotransmitters are no longer released.
E) Enzymes in the postsynaptic cell break down some neurotransmitters.
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Question 3) Fibrous joints are joints, at which two bones are united by hyaline cartilage.
Indicate whether the statement is true or false
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Question 4) When you view objects close to the eye, the eye makes an adjustment called ________.
A) emmetropia
B) accommodation
C) refraction
D) diplopia
E) myopia
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Question 5) Pulmonary arteries have ________ blood pressure compared to systemic arteries.
A) considerably higher
B) similar
C) a little lower
D) considerably lower
E) a little higher
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Question 6) The cut of a guillotine is an example of a section done in the midsagittal plane.
Indicate whether the statement is true or false
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Question 7) Some antidepressant drugs act by inhibiting monoamine oxidase (MAO). What is the function of this enzyme?
A) It breaks down monoamines.
B) It converts ATP to cyclic AMP.
C) It degrades acetylcholine.
D) It blocks sodium channels.
E) It binds to chloride gates.
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Question 8) Myotonia of skeletal muscles is characteristic of the excitement phase and refractory period.
Indicate whether the statement is true or false
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Question 9) Dendrites in a neuron send outgoing signals to other cells.
Indicate whether the statement is true or false
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Question 10) Bony joints are the most common type of joints.
Indicate whether the statement is true or false
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