Which of the following bones of the skull is considered a cranial (as opposed to a facial) bone?

A. Lacrimal
B. Nasal
C. Sphenoid
D. Zygoma
E. Mandible


Answer: C. Sphenoid

Anatomy & Physiology

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Which of the following most accurately describes the actions of aldosterone?

A. Aldosterone increases Na+ secretion and K+ reabsorption in the cortical collecting ducts. B. Aldosterone increases Na+ reabsorption and K+ secretion in the proximal tubule. C. Aldosterone decreases Na+ reabsorption and K+ secretion in the cortical collecting ducts. D. Aldosterone increases Na+ secretion and K+ reabsorption in the proximal tubule. E. Aldosterone increases Na+ reabsorption and K+ secretion in the cortical collecting ducts.

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Rapid diffusion of oxygen and carbon dioxide through the air sacs (alveoli) of the lungs takes place through ________ epithelium

A) simple cuboidal B) simple columnar C) keratinized stratified squamous D) simple squamous E) nonkeratinized stratified squamous

Anatomy & Physiology

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A) thalamus and reticular formation. B) cerebellum only. C) reticular formation and cerebellum. D) reticular formation only. E) thalamus only.

Anatomy & Physiology