Platelet count rise at what time of menstrual cycle?

# During menstrual cycle, platelet count rise at what time ?
A. Following ovulation
B. At the onset of menses
C. After completion of menstrual flow
D. Before ovulation

The correct answer is A. Following ovulation.

Platelet count varies in menstrual cycle, rising following ovulation & falling at onset of menses.
Ref: Harrison’s 16th Ed. 673

Major risk factor for arterial thrombosis

# The major risk factor for arterial thrombosis is ?
A. Atherosclerosis
B. Hyperhomocysteinemia
C. Dysfibrinogenemia
D. Hormonal therapy

The correct answer is: A. Atherosclerosis. 

The major risk factor for arterial thrombosis is atherosclerosis. Risk factors for venous thrombosis

are immobility, surgery, underlying medical conditions, malignancy, hormonal therapy, obesity,

and genetic predispositions.

Epistaxis is the most common symptom in

# Epistaxis is the most common symptom in ?
A. Hemophilia A
B. Ehlers-Danlos syndrome
C. Hereditary hemorrhagic telangiectasia
D. Cushing’s syndrome

The correct answer is C. Hereditary hemorrhagic telangiectasia

Epistaxis is the most common symptom in hereditary hemorrhagic telangiectasia & in boys with Von Willebrand Disease.

Ref: Harrison’s 18th Ed. 460

Poikilocytosis

# Poikilocytosis is related to which feature of RBC ?
A. Size
B. Shape
C. Number
D. Colour

The correct answer is: B. Shape.

Variations in red cell shape is called poikilocytosis. Poikilocytosis suggests a defect in the
maturation of red cell precursors in bone marrow or fragmentation of circulating red cells.

Ref: Harrison’s 18th Ed. 450