A&p exam 3

which statement accurately describes veins

all carry blood towards the heart

vascular anastomoses(merging) is most often seen in

arterial

what effect would an increase Delta P have blood flow

increased flow

turbulence in a blood vessel results in

interruption of laminar flow

these arteries are also called conducting arteries

elastic arteries

Which artery tunic is composed of circulatory arrangement bulk of vessel wall

media

in capillary beds, a terminal arteriole feeds directly into a

metarteriole

fenestrated capillaries are

active in absorption or filtrate formation

which of the following would not affect blood flow

platelet count

what is the last layer (tunic) a surgeon would cut lumen of a large artery

interna

which of the following is absent in blood brain barriers

intracellular clefts

which of the following is immediately distal to elastic arteries vasoconstriction

disturbing arteries

what blood vessels can contain 60-65% of blood supply at reservoirs

veins

extra body weight from obesity causes

increased peripheral resistance

splenic white pulp consist primarily of

lymphocytes

which of the following represents correct order of lymph flow

capillaries > collecting vessels> trunks> ducts

what superficial body region does not contain lymph

orbital

lymph leaves lymph node via

efferent lymphatic vessels

what thoracic duct structure receives lymph

cisterna chyli

what characteristics differentiates a lymph node from other lymphs

filters lymph

which of the following is characteristic of T-lymphocytes

recognizes foreign (non-self) antigens

which of the following is the lymphoid organ where all self/non-self antigens (hint:decrease in size in adults)

thymus

alveolar type 1 cells

form the alveolar wall

the ____ is a keel-shaped tracheal cartilage that marks beginning of the main bronchi

carnia

transpulmonary pressure equals

Intrapulmonary (Ppul) minus intrapleural (pip) pressures

what muscle actions cause the chest wall to enlarge during

both external intercostals and diaphragm connect

What conducting zone structure is responsible for? (hint: epiglottis)

larynx

according to boyles law (p1v1=p2v2) as lung volume goes up, alveolar

goes down

which of the following is not a feature of the right lung

cardiac notch

most CO2 is transported in blood plasma as

bicarbonate ions (HCO3-)

What larynx structure is made of elastic cartilage?

epiglottis