Influenza Shows Cyclic Appearance of Extremely Virulent Strains That May

question 16

Multiple Choice

Influenza shows cyclic appearance of extremely virulent strains that may cause widespread infection with high mortality, such as that of 1918, which infected 20% of the world's population and killed more people than World War I. What is this type of infection called?

• A) mutagenic
• B) endemic
• C) epidemic
• D) pandemic
• E) transgenic

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Definitions:

Diaphragm

A barrier method of contraception that is placed inside the vagina to cover the cervix and prevent sperm from entering the uterus.

Oral Contraceptives

Pills taken orally to inhibit fertility, typically by preventing ovulation or by altering conditions in the uterus.

Vaginal Rings

Flexible, doughnut-shaped rings placed inside the vagina to deliver hormones for contraception or to address hormonal imbalances.

Cervical Caps

Cervical caps are contraceptive devices that fit over the cervix to prevent sperm from entering the uterus, thereby preventing pregnancy.