Medical MCQ Questions — Page 15109

Question 1

A 27-year-old female presents with easy fatigue and light-headedness. She also has a dry cough and fever for the past few days. On examination, she is pale, her lungs are clear, and the rest is normal. A chest x-ray (CXR) shows patchy bilateral infiltrates; the hemoglobin is 8.4 g/dL, reticulocyte count of 6%, and many spherocytes on the peripheral blood film. Which of the following is the most likely significance of the spherocytosis on the blood film?

Answer

multiple long bone fracture

Answer

hereditary elliptocytosis

Answer

Coombs'-positive hemolytic anemia

Answer

glucose-6-phosphate dehydrogenase (G6PD) deficiency

Question 2

Answer

Transaldolase assay measured before and after the addition of thiamine pyrophosphate

Answer

Transketolase assay measured before and after the addition of thiamine pyrophosphate

Answer

Thiamine pyrophosphate assay in RBC after adding sugar

Answer

Serum LDH levels

Question 3

BThrush

Answer

Squamous cell carcinoma

Answer

Gingivitis

Answer

Leukoplakia

Question 4

AClearance

Answer

Volume of distribution

Answer

Metabolism

Answer

Absorption

Question 5

Answer

Desquamative gingivitis

Answer

Erythema multiforme

Answer

Lichen planus

Answer

Vincent's stomatitis

Question 6

Answer

Low Ca, high PO4, high alkaline phosphatase

Answer

Low Ca, low PO4, low alkaline phosphatase

Answer

Normal Ca, normal PO4, normal alkaline phosphatase

Answer

Low Ca, low PO4, normal alkaline phosphatase

Question 7

Km is

Answer

Substrate concentration at which the velocity of reaction is maximum

Answer

Substrate concentration at which velocity of reaction is half of the maximum

Answer

Corresponds to Y-axis

Answer

Denotes efficacy

Question 8

AAnemia

BAlopecia

CAtaxia

Answer

Gonadal atrophy

Question 9

Answer

Intramurally in the cervix of the uterus

Answer

Intramurally in the fundus or body of the uterus

Answer

Submucosally in the cervix of the uterus

Answer

Submucosally in the fundus or body of the uterus