Mixed 22

Question 1

Most common cause of community-acquired pneumonia in both HIV-infected and HIV-uninfected individuals

Answer 1

Streptococcus pneumoniae

Question 2

In which phase of clinical trials does drug effectiveness is evaluated?

Answer 2

Phase II

Question 3

Clinical features of Chronic transplant rejection

Answer 3

Both cellular and humoral components. Vascular wall thickening, interstitial fibrosis and parenchymal atrophy.
Manifests months to years after transplant.

Question 4

Structures derived from surface ectoderm

Answer 4

Anterior pituitary, lens, cornea

Question 5

Structures derived from neural tube

Answer 5

Brain, spinal cord, posterior pituitary, retina

Question 6

Structures derived from neural crest

Answer 6

Autonomic system, sensory nerves, skull, melanocytes

Question 7

Clinical manifestations of radial nerve lesion

Answer 7

Wrist drop: loss of elbow, wrist and finger extension
Loss of sensation over posterior arm/foreamr and dorsal hand
↓ grip stenght