Which of the following vaccines can cause the disease it is designed to prevent?

A) tetanus toxoid vaccine
B) oral polio vaccine
C) inactivated polio vaccine
D) Haemophilus influenzae capsule vaccine
E) meningococcal capsule vaccine


B

Biology & Microbiology

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How are trypanosome diseases similar to malaria?

A) They are transmitted by insect vectors. B) They cause intermittent fevers. C) They are acute, self-limiting diseases. D) They are all endemic to Africa.

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What is a disease associated with extra nuclear inheritance?

A. Angelman Syndrome B. Prader-Willi Syndrome C. LHON D. Muscular Dystrophy

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Which of the following is likely to occur after drinking three alcoholic beverages? 

A. Increased urination due to alcohol activating antiduretic hormone production. B. Decreased urination due to alcohol activating aldosterone production. C. Increased urination due to alcohol inhibiting antidiuretic hormone production. D. Decreased urination due to alcohol inhibiting antidiuretic hormone production. E. Increased urination due to alcohol inhibiting aldosterone production.

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When a nursery worker pinches off the terminal buds on a young plant to make it grow bushy, which plant hormone, when produced, is mainly responsible for growth of side branches?

A) an auxin B) a gibberellin C) a cytokinin D) abscisic acid (ABA)

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