Which of the following developmental periods is the longest?

a. embryo stage
b. fetus stage
c. neonatal stage
d. infancy stage


d. infancy stage

Anatomy & Physiology

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Which is not a way that antigen-antibody complexes may cause elimination of the antigen?

A) opsonization B) enhancing phagocytosis C) activation of complement D) neutralization E) sensitization

Anatomy & Physiology

Occasionally three polar bodies are found clinging to the mature ovum. One came from an unequal division of the ovum, but from where did the other two arise?

A) One is an undeveloped primary oocyte that failed to mature. B) There were originally four polar bodies and one disappeared. C) What you really see are two polar bodies and the sperm that will fertilize the egg. D) The first polar body has also divided to produce two polar bodies.

Anatomy & Physiology

Label area "A" on the cerebral cortex

A. visual cortex B. primary motor cortex C. primary somatic sensory cortex D. motor speech area (Broca area) E. sensory speech area (Wernicke area)

Anatomy & Physiology

Which of the following muscles inserts to the posterior calcaneus via the calcaneal tendon?

A) the semitendinosus B) the tibialis anterior C) the gastrocnemius D) the sartorius

Anatomy & Physiology