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50 terms

Exam 2

• The portion of the brain overseeing the postural muscles of the body and making rapid adjustments to maintain balance and equilibrium are functions of the
• The anterior pituitary gland consists of the
all choices are correct
• Each of the following effects is associated with the action of postganglionic sympathetic fibers, except
decreased heart rate
• Which of the following is not a hormone produced in the anterior pituitary gland?
• Nicotinic receptors
open sodium channles when stimulated
• _____ is a condition resulting from an inflammation of the facial nerve.
Bell's Palsy
• The levels of hormones in the blood and tissues is controlled by a series of negative feedback loops. This produces a condition known as
• The target cells of oxytocin are
A & C are correct
• Chemoreceptors are most likely to be activated by:
Carbon dioxide
• Major centers concerned with autonomic control of breathing, blood pressure, heart rate, and digestive activities are located in the
medulla olblongata
• Sympathetic and parasympathetic fibers bound for the heart and the lungs pass through the
cardiac plexus
• The parasympathetic nervous system dominates which condition(s)?
• Antidiuretic hormone is produced in the
A & C are correct
• Which of the following is true of proprioceptors? They:
function in realation to movement and position
• Parathyroid hormone
increases calcium ion concentration in the blood
• Nerves that innervate organs in the ventral body cavities are the _____ nerves.
• The hypothalamus
all the choices are correct
• The zona reticularis secretes
• Dual innervation refers to an organ receiving
both sympathetic and parasympathetic nerves
• Glucagon
raises blood sugar and is secreted by alpha cells
• The adrenal medulla secretes
epinephrine and norepinephrine
• _____ is a disorder affecting the comprehension and use of words.
• The target cells of antidiuretic hormone are
kidney tubules
Normal control of the diamter of the respiratory passage depends on
both sympathetic and parasympathetic levels of stimulation
The special senses
are grouped in the tongue, nose, eye, and ear
• The endocrine and nervous systems are similar in that
all of the above
• Approximately 75 percent of parasympathetic outflow is provided by the
vagus nerve
• The event called sympathetic activation
is controlled by sympathetic centers in the hyppthalamus
• Hormones are transported through the
circulatory system and extracellular fluid
• Calcitonin and parathyroid hormone are
• The major mineralocorticoid is
• Parasympathetic activities include all of the following, except the
dilatation of the rispiratory passageway
• Epinephrine, norepinephrine, and dopamine are
A & B only are correct
• Neurons of the sympathetic branch of the autonomic nervous system release the neurotransmitter _____ at their effectors.
• The somatic senses enable us to detect sensations such as:
all of the above
• The auditory cortex is located in the
temporal lobe
• The division of the autonomic nervous system that maintains homeostasis during resting conditions is the _____ division.
• The kidneys secrete
all of the above
• During sympathetic activation, _____ occurs.
elevated blood pressure
• Which of the following controls visceral effectors?
autonomic nervous system
• Increased parasympathetic stimulation
increase gastric motility
• The visual cortex is located in the
occipital lobe
• The primary physiological effect(s) of thyroid hormones are
A & B are correct
all of the above
• Visceroceptors are located in which of the following?
internal organs
• The celiac ganglion innervates the
all of the above
• The adrenal medulla secretes
both B & C
• Muscarinic receptors
are activated by acetylcholine
• The major categories of hormones are
amino acid derivatives, peptide hormones, and lipid derivatives
• Postganglionic neurons in the adrenal gland
release epinephrine into blood capillaries