AP2 Practical 1

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91 Terms

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hypothalamus

major controller of endocrine glands; secretes releasing & inhibiting hormones to control activity of anterior pituitary; produces ADH & oxytocin to be released by posterior pituitary

<p>major controller of endocrine glands; secretes releasing &amp; inhibiting hormones to control activity of anterior pituitary; produces ADH &amp; oxytocin to be released by posterior pituitary</p>
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pituitary gland

also called the hypophysis; located in the sella turcica of the sphenoid bone; connected to the hypothalamus via the infundibulum; consists of two lobes

<p>also called the hypophysis; located in the sella turcica of the sphenoid bone; connected to the hypothalamus via the infundibulum; consists of two lobes</p>
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anterior pituitary

lobe of the pituitary also called the adenohypophysis; consists of 3 divisions

<p>lobe of the pituitary also called the adenohypophysis; consists of 3 divisions</p>
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posterior pituitary

lobe of the pituitary also called the neurohypophysis; consists of the pars nervosa

<p>lobe of the pituitary also called the neurohypophysis; consists of the pars nervosa</p>
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pineal gland

gland which lies in the posterior portion of the roof of the third ventricle; produces melatonin

<p>gland which lies in the posterior portion of the roof of the third ventricle; produces melatonin</p>
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thyroid gland

gland which lies anterior to the thyroid cartilage of the larynx; consists of two lobes connected by isthmus; produces T3, T4 hormones

<p>gland which lies anterior to the thyroid cartilage of the larynx; consists of two lobes connected by isthmus; produces T3, T4 hormones</p>
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parathyroid glands

4 glands embedded in the posterior surface of the thyroid gland; produces PTH

<p>4 glands embedded in the posterior surface of the thyroid gland; produces PTH</p>
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adrenal glands

glands which lie along the superior border of each kidney; consists of the cortex & medulla

<p>glands which lie along the superior border of each kidney; consists of the cortex &amp; medulla</p>
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pancreas

lies between the inferior border of the stomach & proximal portion of small intestine

<p>lies between the inferior border of the stomach &amp; proximal portion of small intestine</p>
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thymus

produces thymosins

<p>produces thymosins</p>
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colloid-filled follicles

hollow spheres lined by cuboidal epithelium, containing viscous colloid in cavity

<p>hollow spheres lined by cuboidal epithelium, containing viscous colloid in cavity</p>
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C cells

cells between thyroid follicles which produce calcitonin

<p>cells between thyroid follicles which produce calcitonin</p>
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Chief (principal) cells

cells of the parathyroid that produce PTH

<p>cells of the parathyroid that produce PTH</p>
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zona glomerulosa

2 in the diagram; outer layer of the adrenal cortex which produces mineralocorticoids AKA aldosterone

<p>2 in the diagram; outer layer of the adrenal cortex which produces mineralocorticoids AKA aldosterone</p>
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zona fasiculata

3 in the diagram; middle layer of the adrenal cortex which makes up 78% of it; produces glucocorticoids AKA cortisol

<p>3 in the diagram; middle layer of the adrenal cortex which makes up 78% of it; produces glucocorticoids AKA cortisol</p>
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zona reticularis

4 in the diagram; inner layer of adrenal cortex which produces androgens

<p>4 in the diagram; inner layer of adrenal cortex which produces androgens</p>
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adrenal medulla

5 in the diagram; produces epinephrine & norepinephrine

<p>5 in the diagram; produces epinephrine &amp; norepinephrine</p>
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pancreatic acini

#1 in diagram; clusters of exocrine cells which produce digestive enzymes

<p>#1 in diagram; clusters of exocrine cells which produce digestive enzymes</p>
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pancreatic islets

2 in the diagram; endocrine cells producing insulin, glucagon, & somatostatin

<p>2 in the diagram; endocrine cells producing insulin, glucagon, &amp; somatostatin</p>
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neutrophils

make up 50-70% of WBCs; multilobed nucleus

<p>make up 50-70% of WBCs; multilobed nucleus</p>
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eosinophils

make up 2-4% of WBCs; bilobed nucleus; red cytoplasmic granules

<p>make up 2-4% of WBCs; bilobed nucleus; red cytoplasmic granules</p>
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basophils

make up less than 1% of WBCs; bilobed nucleus; purplish-black cytoplasmic granules

<p>make up less than 1% of WBCs; bilobed nucleus; purplish-black cytoplasmic granules</p>
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lymphocytes

make up 20-30% of WBCs; large spherical nucleus

<p>make up 20-30% of WBCs; large spherical nucleus</p>
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monocytes

make up 3-8% of WBCs; kidney-shaped nucleus

<p>make up 3-8% of WBCs; kidney-shaped nucleus</p>
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right atrium

knowt flashcard image
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right ventricle

knowt flashcard image
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left atrium

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left ventricle

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interventricular septum

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tricuspid valve

valve that lets blood from right atrium into right ventricle

<p>valve that lets blood from right atrium into right ventricle</p>
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pulmonary valve

semilunar valve that lets blood from right ventricle to pulmonary trunk & arteries

<p>semilunar valve that lets blood from right ventricle to pulmonary trunk &amp; arteries</p>
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bicuspid valve

AKA the mitral valve; lets blood from left atrium to left ventricle

<p>AKA the mitral valve; lets blood from left atrium to left ventricle</p>
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aortic valve

semillunar valve which lets blood from left ventricle into aorta

<p>semillunar valve which lets blood from left ventricle into aorta</p>
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chordae tendineae

tiny white collagenic cords which anchor the cuspts of the tricuspid valve to the ventricular walls

<p>tiny white collagenic cords which anchor the cuspts of the tricuspid valve to the ventricular walls</p>
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papillary muscles

small bundles of cardiac muscle that project from the myocardial wall & connect to chordae tendineae

<p>small bundles of cardiac muscle that project from the myocardial wall &amp; connect to chordae tendineae</p>
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epicardium

AKA visceral pericardium; outer layer of heart wall

<p>AKA visceral pericardium; outer layer of heart wall</p>
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myocardium

muscular wall of heart; thickest layer

<p>muscular wall of heart; thickest layer</p>
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endocardium

inner surfaces of heart including valves

<p>inner surfaces of heart including valves</p>
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base of heart

knowt flashcard image
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apex of heart

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moderator band

bundle of cardiac muscle fibers connecting the interventricular septum to the anterior papillary muscles

<p>bundle of cardiac muscle fibers connecting the interventricular septum to the anterior papillary muscles</p>
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superior vena cava

large vein that brings oxygen-poor blood from the upper part of the body to the right atrium

<p>large vein that brings oxygen-poor blood from the upper part of the body to the right atrium</p>
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inferior vena cava

brings oxygen poor blood from the lower part of the body to the right atrium

<p>brings oxygen poor blood from the lower part of the body to the right atrium</p>
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coronary sinus

enlarged vessel on the posterior aspect of the heart that empties blood into the right atrium

<p>enlarged vessel on the posterior aspect of the heart that empties blood into the right atrium</p>
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right coronary artery

knowt flashcard image
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left coronary artery

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circumflex artery

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anterior interventricular artery

knowt flashcard image
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pulmonary veins

The four veins that return oxygenated blood from the lungs to the left atrium of the heart.

<p>The four veins that return oxygenated blood from the lungs to the left atrium of the heart.</p>
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fossa ovalis

a remnant site of foramen ovale in fetus; right atrium

<p>a remnant site of foramen ovale in fetus; right atrium</p>
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pulmonary trunk

branches into R & L pulmonary arteries

<p>branches into R &amp; L pulmonary arteries</p>
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ligamentum arteriosum

remnant of ductus arteriosus in fetus

<p>remnant of ductus arteriosus in fetus</p>
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parietal pericardium

portion of pericardium close to the chest wall

<p>portion of pericardium close to the chest wall</p>
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intercalated discs

knowt flashcard image
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cardiac cycle
consists of 2 phases: systole & diastole; lasts about 800msec
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systole
contraction phase of cardiac cycle
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diastole
relaxation phase of cardiac cycle
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S1
first heart sound, produced by AV valves
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S2
second heart sound, produced by semilunar valves
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opthalmoscope
instrument used to illuminate the inside of the eye and view the vascularizatuon of the retina
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infectious mononucleosis
blood infection/disease where lymphocytes are atypical & reactive
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monocytic leukemia

a form of leukemia in which there is dominance/large amounts of monocytes

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chronic granulocytic leukemia
a form of leukemia in which there is an abundance of granulocytes
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sickle cell anemia
disease where red blood cells (eurythrocytes) are crescent/C shaped
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eosinophilia
an increased amount of eosinophils in the blood
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hemolytic disease of newborns
When mothers blood has a different RH factor than the fetuses and the mothers immune system attacks the fetuses red blood cellss
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RhoGAM
an immune serum that prevents a mother's blood from becoming sensitized to foreign antibodies from her fetus (prevents hemolytic disease)
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nystagmus
involuntary, jerking movements of the eyes
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acini cells
exocrine cells located in the pancreas (not islet cells, darker part of the pancreas tissue)
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chief/principal cells
cells located in the parathyroid that produce PTH
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pancreatic islet (islet of Langerhans)

clusters in pancreas tissue filled with endocrine cells (alpha (A) cells and beta (B) cells); usually a lighter color

<p>clusters in pancreas tissue filled with endocrine cells (alpha (A) cells and beta (B) cells); usually a lighter color</p>
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mediastinum
area between the lungs containing the heart, aorta, venae cavae, esophagus, and trachea; inside the thoracic cavity
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serous pericardium
double membrane composed of an outer parietal layer and an inner visceral layer that surrounds the heart; filled in the pericardial cavity with serous fluid
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tachycardia
rapid heart rate (above 100 bpm)
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bradycardia
slow heart rate (less than 60 bpm)
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normal sinus rhythm (NSR)
heart rate of 60 - 100 BPM
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follicular cell
cells in the the thyroid tissue that surround colloid filled follicle
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Parafollicular cells (C cells)
flattened cells between follicles in the thyroid, secrete calcitonin
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Weber test
Test done by placing the stem of a vibrating tuning fork on the midline of the head and having the patient indicate in which ear the tone can be heard; tests for unilateral deafness
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Rinne test
hearing test using a tuning fork; checks for differences in bone conduction and air conduction; tests for sensorineural deafness
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Romburg (Balance) test

test done by standing flat with feet both on the ground and eyes closed, then again with one leg up; tests to see if static equilibrium receptors are working

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Barany test
rotation test for assessment of vestibular function; testing for nystagmus; can be done by spinning in chair then observing eyes
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Conduction deafness
when there is a decreased ability to conduct the energy of sound waves through the external & middle ear to hearing receptors in inner ear; can be due to ear wax build up, damage to tympanic membrane or fusion of auditory ossicles
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sensorineural deafness
caused by damage to hearing receptors, cochlear branch of the vestibulocochlear nerve, or neural pathways of auditory cortex
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static equilibrium receptors
provide information about body position relative to the force of gravity (standing upright vs. being upside down)
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dynamic equilibrium receptors
provide information about body position in response to sudden movement such as rotation, acceleration, and deceleration (spinning, going faster, stopping)
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vertigo

sensation of circular motion either of oneself or external objects; severe cases may be accompanied by nystagmus

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systolic pressure
highest arterial pressure reached during ventricular systole (top number of BP); usually 100-139 mmHg
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diastolic pressure
lowest arterial pressure reached during ventricular diastole (lower number on BP); normal is 60-89 mmHg
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sphygmomanometer
another name for blood pressure cuff; used to measure blood pressure
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R wave to R wave
how to measure BPM on biopac