Vitamin B12 deficiency

ATI LPN

ATI LPN Test Bank

A. psychosis B. subacute degeneration of the spinal cord C. protein-calorie deficiency D. disturbed ocular motility

Correct Answer: B

Rationale: Vitamin B12 deficiency causes subacute combined degeneration of the spinal cord.

Primary atypical pneumonia is caused by:

A. toxic product ingestion B. rickettesiae C. Fungus D. Mycoplasma

Correct Answer: D

Rationale: Mycoplasma pneumoniae is the primary cause of atypical pneumonia.

A completely obstructed bronchial lumen causes:

A. bronchiectasis B. parenchymal infection C. abscess formation D. atelectasis

Correct Answer: D

Rationale: Complete bronchial obstruction leads to atelectasis (lung collapse) distal to the block.

The drug of choice for treatment of pneumococcal pneumonia in patients with penicillin sensitivity is:

A. keflin B. methicillin C. erythromycin D. tetracycline

Correct Answer: C

Rationale: Erythromycin is effective against Streptococcus pneumoniae in penicillin-allergic patients.

In obstructive emphysema of the lungs:

A. the residual air is normal B. the one second gaenslen is increased C. vital capacity is decreased D. the vital capacity is not altered

Correct Answer: C

Rationale: Obstructive emphysema decreases vital capacity from air trapping.

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