Which pathogen (within the mother) is most likely to be transmitted across the placenta?

A. A multicellular parasite that is present during the first week of pregnancy
B. A multicellular parasite that is present during the sixth week of pregnancy
C. A blood-borne virus that is present during the first week of pregnancy
D. A blood-borne virus that is present during the sixth week of pregnancy


D

Anatomy & Physiology

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The gastroesophageal sphincter guards the upper opening of the esophagus

Indicate whether the statement is true or false

Anatomy & Physiology

During a normal inspiration, which event occurs first?

A. air flows into lungs B. alveolar pressure becomes subatmospheric C. diaphragm contracts D. intrapleural pressure becomes more negative E. thoracic volume increases

Anatomy & Physiology

Neural and endocrine regulatory mechanisms influence which factors?

A) heart rate B) blood flow C) capillary pressure D) blood volume E) heart rate, stroke volume, peripheral resistance, and venous pressure

Anatomy & Physiology

The stomach mucosa is thrown into folds known as villi

Indicate whether the statement is true or false

Anatomy & Physiology