Which brain structure is responsible for the "startle reflex" in response to loud sounds?
a) Superior colliculus
b) Inferior colliculus
c) Pontine nucleus
d) Medial lemniscus
e) Arbor vitae
b
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Which structure in the figure produces a protein that helps protect the skin and underlying tissues from heat, microbes and chemicals?
a) A b) B c) C d) D e) E
Lymph flowing from the afferent lymphatic vessel will travel next to which structure in the figure?
a) A b) B c) C d) D e) E
Your friend has a paralyzed arm. What physical events might have caused this?
A) damage to the part of the brain that controls that arm B) drug-induced failure at the neuromuscular junction C) damage to the part of the spinal cord that controls that arm D) Any of these events could have caused the paralysis: damage to the part of the brain that controls that arm, damage to the part of the spinal cord that controls that arm, or drug-induced failure at the neuromuscular junction.
Stroke volume is the amount of blood pumped out by each ventricle of the heart in one minute
Indicate whether the statement is true or false