Question: Control of temperature, endocrine activity, and thirst are functions associated with the _______.
Answer Options:
a) cerebellum
b) medulla
c) thalamus
d) hypothalamus
Answer: d) hypothalamus
Question: What structure regulates the amount of light passing to the visual receptors of the eye?
Answer Options:
a) iris
b) lens
c) cornea
d) aqueous humor
Answer: a) iris
Question: Which life function refers to the breakdown of material and absorption of the associated small molecules into the blood?
Answer Options:
a) Growth
b) Metabolism
c) Digestion
d) Responsiveness
Answer: c) Digestion
Question: Pressure, pain, and temperature receptors in the skin are _______.
Answer Options:
a) proprioceptors
b) exteroceptors
c) mechanoreceptors
d) interoceptors
Answer: b) exteroceptors
Question: The term central nervous system refers to the _______.
Answer Options:
a) spinal cord and spinal nerves
b) peripheral and spinal nerves
c) brain, spinal cord, and peripheral nerves
d) brain and spinal cord
Answer: d) brain and spinal cord
Question: The autonomic nervous system is under voluntary control; whereas, the somatic nervous system is involuntary.
Answer Options:
True
False
Answer: False
Question: Nerves that carry impulses toward the CNS only are _______.
Answer Options:
a) afferent nerves
b) motor nerves
c) efferent nerves
d) mixed nerves
Answer: a) afferent nerves
Question: Which of the following is true about the movement of ions across excitable living membranes?
Answer Options:
a) Ions always move passively across membranes.
b) Ions always move from an area of higher concentration to an area of lower concentration.
c) Sodium gates in the membrane can open in response to electrical potential changes.
d) Ions always move actively across membranes through leakage channels.
Answer: c) Sodium gates in the membrane can open in response to electrical potential changes.
Question: The term central nervous system refers to the _______.
Answer Options:
a) spinal cord and spinal nerves
b) peripheral and spinal nerves
c) brain, spinal cord, and peripheral nerves
d) brain and spinal cord
Answer: d) brain and spinal cord
Question: The part of a neuron that conducts impulses away from its cell body is called a(n) _______.
Answer Options:
a) Schwann cell
b) axon
c) dendrite
d) neurilemma
Answer: b) axon
Question: What role does gut microbiota play in the function of the GI tract?
Helps maintain gut barrier
Optimizes the immune function of the gut
Protects gut from opportunistic disease causing bacteria
All of the above
Only a and c
Answer:
Question: Which of the following is an excitatory neurotransmitter secreted by motor neurons innervating skeletal muscle?
Answer Options:
a) cholinesterase
b) norepinephrine
c) gamma-aminobutyric acid
d) acetylcholine
Answer: d) acetylcholine
Question: What are ciliated CNS neuroglia that play an active role in moving the cerebrospinal fluid called?
Answer Options:
a) ependymal cells
b) astrocytes
Answer: a) ependymal cells
Question: How many phosphates would AMP have attached to it?
Answer Options:
a) two
b) three
c) one
d) none
Answer: c) one
Question: Which body cavity encloses the brain?
Answer Options:
a) Cranial
b) Abdominal
c) Pericardial
d) Pleural
Answer: a) Cranial
Question: Ridges of tissue on the surface of the cerebral hemispheres are called _______.
Answer Options:
a) ganglia
b) sulci
c) gyri
d) fissures
Answer: c) gyri
Question: Sympathetic division stimulation causes _______.
Answer Options:
increased blood glucose, increased GI peristalsis, and decreased heart rate and blood pressure
decreased blood glucose, increased GI peristalsis, and decreased heart rate and blood pressure
decreased blood glucose, increased GI peristalsis, and increased heart rate and blood pressure
increased blood glucose, decreased GI peristalsis, and increased heart rate and blood pressure
Answer: increased blood glucose, decreased GI peristalsis, and increased heart rate and blood pressure
Question: Bipolar neurons are commonly _______.
Answer Options:
found in the retina of the eye
found in ganglia
motor neurons
called neuroglial cells
Answer: found in the retina of the eye
Question: Connective tissue sacs lined with synovial membranes that act as cushions in places where friction develops are called _______.
Answer Options:
bursae
menisci
tendons
ligaments
Answer: bursae
Question: Which of the following is the correct simple spinal reflex arc?
Answer Options:
a) receptor, afferent neuron, integration center, afferent neuron, effector
b) receptor, afferent neuron, integration center, efferent neuron, effector
c) effector, afferent neuron, integration center, efferent neuron, receptor
d) effector, efferent neuron, integration center, afferent neuron, receptor
Answer: b) receptor, afferent neuron, integration center, efferent neuron, effector
Question: Raynaud’s disease _______.
Answer Options:
is significantly life-threatening
is induced by heat stress
Answer: is not significantly life-threatening