BIO 191 FINAL EXAM NEWEST ACTUAL
EXAM 2024 QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+
Injury to just the hypothalamus would most likely disrupt
A. regulation of body temperature
B. short-term memory
C. executive functions such as decision-making
D. sorting of sensory information Correct Answer
regulation of body temperature
Which sensory distinction is NOT encoded by a difference
in which axon transfers the information to the brain?
A. white and red
B. red and green
C. loud and faint
D. salty and sweet Correct Answer loud and faint
What is the difference between a neuron and a nerve?
Correct Answer They consist of different numbers of cells
A neuron that transmits an impulse to the central nervous
system after the neuron is stimulated by the environment
is called a(n) Correct Answer sensory neuron
What glial cells contribute most to the formation of the
blood-brain barrier? Correct Answer astrocytes
,Which of the following includes all the other?
A. autonomic nervous system (ANS)
B. motor system
C. parasympathetic division
D. peripheral nervous system (PNS)
E. sympathetic division Correct Answer D. peripheral
nervous system (PNS)
While sitting quietly watching television, you suddenly hear
the sound of glass breaking. Which of the following is
responsible for your resulting rapid heartbeat? Correct
Answer sympathetic division of the ANS
The gray matter of the cerebral cortex, where most higher-
level thinking occurs is composed mostly of Correct
Answer neuron cell bodies, dendrites and unmyelinated
axons
Which of the following structures constitutes the
mammalian forebrain? Correct Answer thalamus,
epithalamus, hypothalamus, and cerebrum
A physician friend of yours tells you about a patient with a
head injury who suddenly stopped breathing during the
examination. What portion of the brain was probably
injured? Correct Answer medulla oblongata
As you start to pick up your biology book, you suddenly
realize that it is much heavier than you expected. Which of
the following brain regions is responsible for the rapid
,adjustment of muscle force that allows you to pick up the
book smoothly? Correct Answer cerebellum
One of the functions of the ______ is monitoring breathing
centers in the medulla. Correct Answer pons
The main input for sensory information going to the
cerebrum is the Correct Answer thalamus
A man is admitted to the hospital suffering from an
abnormally low body temperature, a loss of appetite and
extreme thirst. A brain scan shows a tumor located in the
Correct Answer hypothalamus
In humans, the part of the brain that increases in size and
complexity most significantly during the second and third
month of embryonic development is derived from the
embryonic ______. Correct Answer forebrain
The corpus callosum connects the ______. Correct
Answer right and left cerebral hemispheres
An important concept in biology is that evolution is a
process that remodels ancestral body plans.
Developmental sequences in embryos often display
evidence which part of the brain was most prominent in
early vertebrates? Correct Answer the hindbrain
The limbic system is involved in Correct Answer emotion
and memory
, Damage to the occipital lobe would be most likely
expressed as __________. Correct Answer visual
impairment
The auditory (hearing) centers are located in the Correct
Answer temporal lobes of the cerebral cortex
Which of the following is NOT regulated by the association
areas in the cerebral cortex? Correct Answer balance
After a stroke, Bill can feel his left leg but is unable to
move it. His neurologists suspect damage to the Correct
Answer frontal lobe
A car accident victim presents with no memory of the
accident or events following the accident but can clearly
recall events that occurred prior to the accident.
Neurologists thus suspect damage to the _________.
Correct Answer hippocampus
Although we often assume that our sense organs are
reporting a complete picture of the world to our brains, in
fact the world is full of stimuli (very low-frequency sound,
cosmic rays, electrical fields, etc.) that our sense organs
cannot detect. This situation is best characterized as a
failure of our sense organs to _________ these stimuli.
Correct Answer transduce
You look all over for your glasses and then find them
pushed back onto your forehead. This error could be
attributed to Correct Answer sensory adaptation
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