Actual Complete Answers (2025)
Updated.
Most vital organs receive ________ innervation. That is, they receive input from both
sympathetic and parasympathetic divisions. - Answer dual
Which structures develop into the retina? (Module 15.5B) - Answer inner and outer layers of
the optic cup
Which structure of the dura mater separates the cerebral hemispheres from the cerebellum? -
Answer tentorium cerebelli
Pain is to ________ as cold is to ________. - Answer nociceptors; thermoreceptors
Which cranial nerve provides roughly 75 percent of all parasympathetic outflow? - Answer CN
X
Which division of the ANS is responsible for the physiological changes you experience when
startled by a loud noise? (Module 14.2D) - Answer sympathetic division of the ANS
The shallow folds of the surface of the cerebellum are called - Answer folia
Your uncle was just diagnosed with a heart attack. One of his major symptoms is left arm pain.
You are not surprised because you are familiar with the phenomenon of ________ pain. -
Answer referred
Which brain area is considered to be the headquarters of the ANS? - Answer hypothalamus
Which of the following is not one of the six taste sensations? - Answer peppery
Receptors that monitor the position of joints belong to the category called - Answer
proprioceptors
, The basic reflex motor patterns related to eating and drinking are controlled by which region of
the brain? (Module 13.21B) - Answer hypothalamus
Reduction in heart rate and force of contraction is a response in which visceral reflex? - Answer
baroreceptor reflex
Two terms that both refer to internal organs are - Answer splanchnic and viscera.
The control of heart rate and blood pressure is based in the - Answer medulla oblongata.
________, or pinkeye, results from damage to or irritation of the conjunctival surface. - Answer
Conjunctivitis
The ________, a narrow stalk, connects the hypothalamus to the pituitary gland. - Answer
infundibulum
What structure changes the shape of the lens for far and near vision? - Answer ciliary body
In general, parasympathetic preganglionic fibers are ________ and postganglionic fibers are
________. - Answer long; short
The olfactory receptor cell can be activated by as few as ________ odorant molecules. - Answer
4
Which region of the brain contains two ventricles? (Module 13.2B) - Answer cerebrum
What gives eyes their characteristic color? (Module 15.7B) - Answer the density and
distribution of melanocytes in the iris
A person suffering from ________ can see distant objects more clearly than those that are
close. - Answer hyperopia
Gravity and linear acceleration are sensed in the - Answer saccule and utricle.