Excessive relaxation of muscles in the upper airways, causing airway collapse is the most common reason for __________ sleep apnea.

A. hormonal
B. neurological
C. vascular
D. obstructive


Answer: D. obstructive

Anatomy & Physiology

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Which of the following is involved in the gustatory perception of an amino acid?

-filiform papillae -basal cells -umami receptors -receptors in the throat

Anatomy & Physiology

What type of bond results when electrons are completely transferred from one atom to another?

A) ionic bond B) hydrogen bond C) carbon bond D) polar covalent bond E) nonpolar covalent bond

Anatomy & Physiology

Seasonal affective disorder is due to hypersecretion of which following hormones by the endocrine gland marked in the diagram?

a) testosterone b) glucagon c) melatonin d) aldosterone e) vasopressin

Anatomy & Physiology

Glycolipids are found on the

A.  outer layer of the cell membrane, and they help make the sticky sugar coating on its surface. B.  middle layer of the cell membrane, and they function to transmit solutes through the membrane. C.  inner layer of the cell membrane, and they provide scaffold support to the cell membrane. D.   inside of the cell, where they are a source of high-energy nutrition to power mitochondria.

Anatomy & Physiology