On coming inside from the cold, students notice that their cheeks are red. This results from

A. increased permeability of superficial vessels.
B. damage to the epidermis by the cold.
C. dilation of the blood vessels in the dermis of the cheeks.
D. constriction of the sweat glands in the cheeks.
E. constriction of the blood vessels in the epidermis of the cheeks.


Answer: C

Anatomy & Physiology

You might also like to view...

The scaphoid, capitate, lunate, and triquetrum are all found in the proximal row of carpal bones.

Answer the following statement true (T) or false (F)

Anatomy & Physiology

Matching

A) Transfer RNA B) Messenger RNA C) Ribosomal RNA D) ATP E) Synthetase enzymes 15) Forms part of the subunits for the protein synthesizing organelle. 16) A molecule that binds to a specific codon and specific amino acid simultaneously. 17) Attaches the correct amino acid to its transfer RNA. 18) Provides the energy needed for synthesis reactions. 19) Produced in the nucleus, this molecule specifies the exact sequence of amino acids of the 20) May be attached to the ER or scattered in the cytoplasm.

Anatomy & Physiology

Where is the spinal cord injury in a quadriplegic who has difficulty breathing?

What will be an ideal response?

Anatomy & Physiology

Specific proteins in the membranes mediate movement of lipid-soluble molecules into cells

Indicate whether the statement is true or false.

Anatomy & Physiology