9/23/12 Flashcards Preview

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Flashcards in 9/23/12 Deck (13):
1

Which 2 bacteria secrete toxins that inactivate the 60S ribosomal subunit?

Shigella and EHEC

1

The neurons of the CNS, neurohypophysis, retina, pineal gland, preganglionic autonomic fibers, astrocytes, ependymal cells, and choroid plexus are all derived from what embryonic structure?

Neurectoderm

1

What is the only major vestige of the notochord in humans?

nucleus pulposus of the intervertebral disks

1

What conditions are associated w/ Cheyne-Stokes breathing?

cardiac and neurologic disease (esp. advanced CHF)

2

What is the pattern Cheyne-Stokes breathing? What drives this pattern?

Increasing/decreseasing tidal volumes followed by periods of apnea. Delayed response to PaCO2.

3

How does ezetimibe lower LDL levels?

inhibits intestinal absorption of cholesterol

4

What dyslipidemia is associated with an increased risk of pancreatitis?

hyperTRIGLYCERIDEmia

5

What is the most common type of lung cancer in women and non-smokers?

adenocarcinoma

6

Which type of lung cancer is associated with Cushing's, SIADH, and Lambert-Eaton syndrome, again?

small cell carcinoma

7

Where does squamous cell carcinoma of the lung usually arise?

On larger bronchi at areas of squamous metaplasia.

8

Which kind of lung tumor is described histologically: Large polygonal cells that form solid sheets or nests. Usu. located peripherally.

large cell carc

9

How do right-sided colon cancers usu. present clinically?

intestinal obstruction

10

How do left-sided colon cancers usu. present?

Fe-def anemia; anorexia, wt. loss, and/or malaise