Human Anatomy and Physiology Practice Test 4

Region involved in rapid cell division

Lymph flow from the foot is

Which of the following is not an anatomical structure of the ear?

When a pheochromocytoma (tumor of the adrenal medulla) suddenly discharges a large amount of epinephrine into the circulation, the patient's heart rate would be expected to

Which of the following can pass most easily through the epidermis?

The genetic material (DNA) is found in the ____________.

Melanocytes are found in the dermis.

Muscle is a type of connective tissue.

Which cells produce the pigment that contributes to hair colour?

The peripheral nervous system is subdivided into the autonomic and the somatic nervous systems.

Carbohydrates contain carbon, nitrogen and oxygen.

Haversian canals are a key feature of compact bone.

The autonomic nervous system (ANS) controls voluntary activities.

The pressure in a capillary in skeletal muscle is 35 mm Hg at the arteriolar end and 14 mm Hg at the venular end. The interstitial pressure is 0 mm Hg. The colloid osmotic pressure is 25 mm Hg in the capillary and 1 mm Hg in the interstitium. The net force producing fluid movement across the capillary wall at its arteriolar end is

Cell membranes are fully permeable.

Saltatory conduction is much faster than nerve impulses that move along unmyelinated membranes.

Which of the following is TRUEof the system? CO2 + H2 O ??1 H2 CO3 ??2 H+ + HCO3 -

Which of the following structures is the primary organ of the integumentary system?

Monosaccharides are:

____________ are structures within cells that perform cellular functions.