Aplastic anemia can be caused by
a. severe hemorrhage
b. damage to blood forming elements in the bone marrow
c. a lack of vitamin B12
d. an inherited condition resulting in the formation of abnormal hemoglobin
b. damage to blood forming elements in the bone marrow
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Which of the following is not a function of estrogen?
A) Initiation of the first menstrual cycle B) Appearance of pubic hair and breast development C) Development and maturation of the female reproductive organs D) All of the above are functions of estrogen.
Which structural feature of the scapula articulates with the humerus?
A) supraspinous fossa B) subscapular fossa C) acromion D) coracoid process E) glenoid cavity
The corpus luteum produces progesterone
Indicate whether the statement is true or false
Which portion of the brain is posterior to the fourth ventricle?
A. Thalamus B. Medulla oblongata C. Cerebellum D. Pons E. Hypothalamus