The upper respiratory tract includes all EXCEPT which of the following?
A) mouth
B) trachea
C) larynx
D) nasal cavity
E) lungs
E) lungs
Anatomy & Physiology
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The placenta is composed of tissues from the
A. embryo only. B. chorion only. C. mother and embryo. D. mother only.
Anatomy & Physiology
Which bulk mineral is a major cation in body fluids and is essential for normal membrane function?
A) calcium B) iron C) sodium D) chloride E) phosphorus
Anatomy & Physiology
Which of these descriptions best matches the term bronchiolar smooth muscle?
A) accessory muscle of expiration
B) accessory muscle of inspiration
C) primary muscle of inspiration
D) contraction increases airway resistance
E) affects lung compliance
Anatomy & Physiology
What lymphoid organ stores platelets and acts as a blood reservoir?
A) thymus B) spleen C) appendix D) tonsils E) Peyer's patches
Anatomy & Physiology