Which organ or structure is clearly visible in a 4-week-old embryo?

A) Fingers
B) Eyes
C) Ears
D) Fingers, eyes, and ears are all clearly visible.


Answer: D

Anatomy & Physiology

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Which of the following would decrease heart rate?

A) increased sympathetic stimulation of SA node B) decreased parasympathetic stimulation of nodal fibers C) increased levels of norepinephrine and/or epinephrine D) faster depolarization of the pacemaker potential E) increased parasympathetic stimulation of nodal fibers.

Anatomy & Physiology

Exchange of dissolved substances between the blood and the interstitial fluid occurs by ________.

A. diffusion and active transport B. filtration and active transport C. diffusion and filtration D. diffusion

Anatomy & Physiology

Insensible water loss includes water lost from the lungs during expiration and water lost from the skin during sweating

Indicate whether the statement is true or false

Anatomy & Physiology

A person with type A blood has both the A and B antitbodies in their plasma

Indicate whether the statement is true or false

Anatomy & Physiology