human bio final exam

precapillary sphincters allow for anastomosis

true

which of the following is considered a vein

SVC

which of the following are atrioventicular valves

mitral and tricuspid

\
capillaries are where waste products are reabsorbed

true

which of the following are semilunar valves?

aortic and pulminary

mcrophages are the first to arrive at the scene of an injury; after which neutropils arrive to clean up the mess

false

a platelet plug is stronger than a forbiden plug

false

which of the following has more smooth muscle in it because it is under high pressure

arteries

the ___ of the heart is inferior; while the ------ of the heart is superior

apex; base

based by percentage, which blood type is the oldest?

type O

The ___ valve is the same thing as a mitral valve

bicuspid

Regergitation is the same thing as a heart attack

false

the biconvex shape of an erythrocyte allows it to fit through capillary beds (T or F)

false

which of the following is considered an artery?

aorta

The function of thrombocytes is to ___

clot the blood

venules are larger than veins (T or F)

false

the aorta comes out of the ___ of the heart

base

Regergitation is the same thing as a heart murmur (T or F)

true

The pulminary __ carries oxygenated blood; while the pulmanary ___

vein; artery

The Rh factor is also known as the D antigen (T or F)

true

when it is hot outside, deep veins allows heat loss so the body cools down (T or F)

false

Which of the following has less smooth muscle in it because it is under a lower pressure?

veins

__ involved a clogged arterial system, wheras __ involves damaged valves

atherosclerosis; regurgitation

The ___ is considered the pacemaker of the heart

SA node

The AV node is the pacemaker of the heart (T or F)

false

the layer of vessel that comes in contact with blood is the ___

endothelium

varicose veins and hemorrhoids represent pooled blood causing vessel distension

true

____ causes a larger vesel lummen

vasodilation

deep veins allow the body to heat; whereas superficial veins allow the body to __ heat

converse; lose

Pre-capillary sphincters ___________

regulate blood flow

when monocytes leave the blood system and enter the tissue beds, they are called macrophges (T or F)

true

Which of the following do have a nucleus?

leukocytes

Which of the following has a life span of 120 days?

erythrocytes

most foregin objects going down the trachea get trapped in the left bronchus

false

When the diaphragm flattens it moves downward

increasing the volume in the thoracic cavity

the right lung has ___ lobes; whereas the left lung has _ two lobes

3;2

most foreign objects in the trachea get trapped in the right bronchi

true

the thymus is located in the mediastinum

true

the thymus is located posterior to the sternum

true

dealing with edema (excess fluid in the tissue beds) is a major function of the lymphatic system

true

lymph nodes act as filters so disease organisms do not spread

true

external gas exchange occurs in the ___

lungs

lymphatic vessels have valves just like veins

true

The thymus is part of the body’s defense system

true

the diaphragm separates the abdominal and pelvic cavities

false

The epiglottis is the space between the vocal cords

false

the thyroid is part of the body’s defense system

false

the ciliary escalator helps beat impurities up the trachea toward the mouth

true

what part of the throat is behind the mouth

oropharynx

not having a spleen does not result in any deficiency in ones immune system

true

what part of the throat is behind the vocal cords

larngopharynx

veins have valves but lymphatic vessels do not

false

lymph nodes can keep a disease from spreading

true

the left lunch has the cardiac notch

true

surfactant is necessary to keep alveoli cells from collapsing

true

Bronchiole have cartilage on them

false

pseudostratified ciliated columnar cells

at least 2 of the given answers are correct

air filled gas pockets where gas exchange occurs are called ___

aveoli

the diaphragm separates the abdominal and pelvic cavities

false

the glottis is open when straining to lift a heavy object

false

tension of the ___ affects the pitch of ones voice

vocal cords

chemical and gas exchange between blood and interstitial fluid around tissue cells occurs at the ___

capillaries

the lymphatic system:

all these answers are correct

ones thymus is at its maximum size at puberty

true

lymphatic vessels start blindly in the tissue beds

true

the adam’s apple is part of the ___

thyroid cartilage

the spleen is located in the upper right thoracic cavity

false

a spleen does not result in any deficiency in one’s immune system

false

micturition is another word for

urination

blood supply into the kidneys are via the __, while the _ drains blood from the kidneys

renal artery; renal vein

the __ is the tube down which food flows to the stomach

esophagus

the bladder is made up of ___ epithelium that withstands stretching

traditional

the digestive tract has several ways of increasing absorptive surfaces. they include:

all of these are true

the forward movement of muscle contraction is called __

peristalis

the urethra is shorter in men than in women

false

the ___ is the functional unit of the kidney

nephron

deciduous teeth are

baby teeth

the forward movement of food by muscle constriction is called __

peristalsis

Urethras enter the bladder at oblique angles so urine cannot backflow to the kidneys

false

Which of the following is NOT a kidney function?

elimination of carbon dioxide

with reference to the collecting tubules: ___ is removing water from the tubules and returning it to the venous system

reabsorption

Bile is made by the gallbladder

false

Lacteals:

all these answers are correct

__ arterioles carry blood To the glomerulus; whereas _ arterioles carry blood FROM the glomerulus

afferent; efferent

the pancreas providing digestive enzymes is part of its __ function

exocrine

the ascending colon is on the __ side of your body (as you lock down at your feet)

right

on swallowing, the uvula prevents food going to the nasopharynx

true

the valve between the small and large intestine is called the __ valve

ileocecal

the 3 parts of the colon in their correct order from the small intestine are

ascending > transverse > descending

the __ connects the kidney to the urinary bladder

ureter

correctly identify the following:

renal pyramids →

nephrons →

renal pelvis→

→ cone shaped cubes

→ functional unit of kidney

→cone shaped tubes

the __ leaves the glomerular capsule; whereas the _ enters the collecting duct

PCT; DCT

bile helps break down ___

lipids

the juxtaglomerular apparatus is meant to sense when blood pressure is too __ in which case it will release _

low; renin

this spincter is under voluntary control

external anal sphincter

which of the following have microvilli?

small intestine

the proper order for the urine production is:

glomerular > tubular reabsorption > tubular secretion> urine concentration

canine teeth are also called ___

cuspids

the __ surrounds the _

glomerulus; glomerular capsule