biomedicine quiz 5 (wk 6 content)

Question 1

Which of the following findings would make the diagnosis of Major Depressive Disorder LEAST likely?
Question 1 Answer

a.
Agitation

b.
Current diagnosis of hypothyroidism

c.
Difficulty with making decisions.

d.
Losing more than 5 percent body weight in 1 months

Answer 1

b.
Current diagnosis of hypothyroidism

Question 2

What is the difference between bipolar disorder 1 and bipolar disorder 2?
Question 2 Answer

a.
No depressive episodes in bipolar disorder 1

b.
No episodes of mania in bipolar disorder 2

c.
Episodes of hypomania in bipolar disorder 1 but not in bipolar disorder 2

d.
Patients with bipolar disorder 2 require hospitalization whereas patients with bipolar 1 do not

Answer 2

b.
No episodes of mania in bipolar disorder 2

Question 3

Patient presents with a strongly held belief that their grandparent has been possessed by aliens, despite no evidence supporting this and grandparent not exhibiting any changes in their behaviour. This is an example of:
Question 3 Answer

a.
Mania

b.
Delirium

c.
Delusion

d.
Hallucination

Answer 3

c.
Delusion

Question 4

Which of the following side effects results from antagonism of the muscarinic (M) receptors?
Question 4 Answer

a.
Weight gain

b.
Hypotension

c.
Sexual dysfunction

d.
Urinary retention

Answer 4

d.
Urinary retention

Question 5

Which of the following is common side effect of SNRI’s due to their effects on the H1 receptors?
Question 5 Answer

a.
Weight loss

b.
Hypertension

c.
Drowsiness

d.
Constipation

Answer 5

c.
Drowsiness

Question 6

Choose the TRUE statement regarding obsessive compulsive disorder (OCD):
Question 6 Answer

a.
Although obsessions are time-consuming, they do not usually cause significant distress

b.
An example of an obsession is constantly washing one’s hands, even if they’re already clean

c.
Most patients are aware that the obsession and compulsion are illogical and not based in fact

d.
OCD is a rare condition – prevalence is less than 1/1000 population

Answer 6

c.
Most patients are aware that the obsession and compulsion are illogical and not based in fact

Question 7

Which area of the brain is more likely to show abnormal function in obsessive compulsive disorder, NOT in generalized anxiety disorder?
Question 7 Answer

a.
The raphe nucleus

b.
The stria terminalis

c.
The amygdala

d.
The basal ganglia

Answer 7

d.
The basal ganglia

Question 8

Which symptom/sign is characteristic of bulimia nervosa, NOT anorexia nervosa?
Question 8 Answer

a.
Fear of gaining weight or excessive evaluation of one’s body based on weight

b.
Eating much more than would be regarded as normal in a single period of time

c.
A competitive athletic background

d.
Significantly low weight

Answer 8

b.
Eating much more than would be regarded as normal in a single period of time

Question 9

What best describes how someone can develop benzodiazepine withdrawal symptoms while still taking the drug?
Question 9 Answer

a.
They are unusually sensitive to benzodiazepines

b.
They have become tolerant to benzodiazepines

c.
They have upregulated GABA receptors

d.
The dose they are taking is causing toxic effects

Answer 9

b.
They have become tolerant to benzodiazepines

Question 10

Which of the following contributes to the therapeutic mechanism of benzodiazepines?
Question 10 Answer

a.
Inhibition of the GABA receptor

b.
Cell hyperpolarization

c.
Movement of GABA into the cell

d.
Movement of Cl- out of the cell

Answer 10

b.
Cell hyperpolarization

Question 11

Choose the TRUE statement regarding virulence factors of Neisseria meningitidis.

Question 11 Answer

a.
It expresses phosphorylcholine, which improves attachment to host cells

b.
It often secretes collagenases that allow them to penetrate connective tissue

c.
It is a highly motile bacterium and can travel through the body via flagella

d.
It can bleb and release endotoxin

Answer 11

d.
It can bleb and release endotoxin

Question 12

Which of the following organisms is NOT a common cause of meningitis?

Question 12 Answer

a.
Listeria monocytogenes

b.
Neisseria meningitidis

c.
Escherichia coli

d.
Streptococcus pneumoniae

Answer 12

c.
Escherichia coli

Question 13

Choose the TRUE statement regarding the symptoms and pathogenesis of bacterial meningitis:

Question 13 Answer

a.
Most meningitis involves severe inflammation of the dura

b.
Excessive CSF flow due to inflammation contributes to the pathogenesis

c.
Neck stiffness, nausea, and vomiting are common symptoms

d.
Opportunistic bacteria do not cause meningitis, since there are not supposed to be bacterial in the central nervous system.

Answer 13

c.
Neck stiffness, nausea, and vomiting are common symptoms