Deck 8: Synaptic Transmission Between Neurons

Question 1

Which of the following structures is likely involved in the manifestation of this woman's deficits?

A) Amygdala
B) Dentate gyrus
C) Prefrontal cortex
D) Mammillary bodies
E) Subcallosal area

Answer 1

D

Question 2

A 76-year-old woman is brought to the emergency department by her neighbor after she noticed the woman wandering around the neighborhood. When she approached her, the woman seemed disoriented, emaciated, and could not remember why she had left her home. During the physical examination the physician learned that the woman has a history of chronic alcohol abuse and short-term memory loss. Considering this woman's history and physical examination, which of the following most likely accounts for her condition?

A) Dopamine deficiency
B) Thiamine deficiency
C) Iron deficiency
D) Calcium deficiency
E) Vitamin A deficiency

Answer 2

B

Question 3

A 33-year-old man has nearly depleted his life savings in the past 6 months with his cocaine addiction. Despite losing his job and the deterioration of his marriage, the man continues to use cocaine. Which of the following receptor types is most likely involved in this man's drug seeking behavior?

A) Melatonin
B) Kainate
C) Serotonin
D) Dopamine
E) Gamma-aminobutyric acid

Answer 3

D

Question 4

Ms. Chen is a 60-year-old widow with a 6-month history of episodic chest tightness, shortness of breath, and numbness that "moves all over my body." These symptoms, which occur once or twice weekly, occur suddenly, and reach peak intensity within a few minutes. During these episodes she has the sensation of intermittent "hot" air coming from her abdomen to her throat, making her believe that she is being choked. She also describes feeling as if she is in a closed room or small space. Ms. Chen is anxious and frustrated about her symptoms and thinks she might have a serious medical problem. She has had frequent medical evaluations by her primary care physician and second opinions from various specialists but refuses to see a psychiatrist. A magnetic resonance image of Ms. Chen taken during one of these episodes would most likely reveal increased activity in which of the following structures?

A) Temporal lobe
B) Mammillary bodies
C) Indusium griseum
D) Nucleus accumbens
E) Striate cortex

Question 5

One of the primary efferent pathways of the amygdaloid complex is the

A) Medial forebrain bundle
B) Alveus
C) Perforant pathway
D) Cingulum
E) Stria terminalis

Question 6

A 76-year-old woman is brought to the emergency department by her neighbor after she noticed the woman wandering around the neighborhood. When she approached her, the woman seemed disoriented, emaciated, and could not remember why she had left her home. During the physical examination the physician learned that the woman has a history of chronic alcohol abuse and short-term memory loss. This woman most likely has which of the following?

A) Wernicke's aphasia
B) Wallenberg's syndrome
C) Korsakoff's syndrome
D) Sommer's syndrome
E) Kluver-Bucy syndrome

Question 7

Ms. Chen is a 60-year-old widow with a 6-month history of episodic chest tightness, shortness of breath, and numbness that "moves all over my body." These symptoms, which occur once or twice weekly, happen suddenly and reach peak intensity within a few minutes. During these episodes she has the sensation of intermittent "hot" air coming from her abdomen to her throat, making her believe that she is being choked. She also describes feeling as if she is in a closed room or small space. Ms. Chen is anxious and frustrated about her symptoms and thinks she might have a serious medical problem. She has had frequent medical evaluations by her primary care physician and second opinions from various specialists but she refuses to see a psychiatrist. Considering all of the symptoms experienced by Ms. Chen, which of the following most accurately describes her condition?

A) Parinaud's syndrome
B) Hyperphagia
C) Panic disorder
D) Wernicke's aphasia
E) Dementia

Question 8

The entorhinal cortex sends information to the hippocampus through which of the following?

A) Schaffer collaterals
B) Perforant pathway
C) Mossy fibers
D) Parallel fibers
E) Climbing fibers

Question 9

A 15-year-old girl is referred to a neurologist for examination. Her parents tell the neurologist that the girl has recently begun exhibiting inappropriate behavior such as disrobing in front of others, licking objects on the ground, eating larger than normal portions at meal time, and making sexual advances toward her brother. The constellation of behaviors exhibited by this girl most likely characterizes which of the following conditions?

A) Klüver-Bucy syndrome
B) Korsakoff's syndrome
C) Hypermetamorphosis
D) Wernicke's aphasia
E) Parinaud's syndrome