UCLA Phlebotomy Exam 1,2,3,4 & Final | Questions and Verified Answers| 100% Correct| A Grade (New 2024\/ 2025 Updates BUNDLED TOGETHER WITH COMPLETE SOLUTIONS)<\/p>\n\n\n\n
UCLA Phlebotomy Exam 2 | Questions and
Verified Answers| 100% Correct| A Grade
(2024\/ 2025)
QUESTION
infant precautions
Answer:
-10ml= 5-10% total blood
-heelsticks
-they have weak underdeveloped immune systems
-if performing venipuncture use dorsal hand veins
QUESTION
pediatric precautions
Answer:
-prepare child as you would an adult
-ask parents about previous blood draw experiences
-speak in simple terms and get eye level
-be honest about pain
-prepare equipment outside of room
-potential for combativeness
-avoid band aids
QUESTION
combative pediatric patient
Answer:
-physical restraints PRN or parent restraint
-lay child across parents lap and have them wrap arms around child<\/p>\n\n\n\n
QUESTION
geriatric precautions
Answer:
-could have physical and emotional problems like alzheimers
-may take medications that prevent blood from clotting quickly
-apply tourniquet on top of clothes
-take longer to heal and bruise easier
-veins tend to collapse
-poor blood flow
-fragile skin
QUESTION
what type of anemia is found in geriatric patients
Answer:
iatrogenic anemia which is caused by frequent blood draws
QUESTION
syncope symptoms
Answer:
pale in skin color, (sweating) lightheaded or nauseous
QUESTION
treatment of syncope patient
Answer:
-if lightheaded have them lower head between legs
-loosen tourniquet and safely withdraw needle
-loosen tight clothing
use smelling salts PRN
-cold water<\/p>\n\n\n\n
QUESTION UCLA Phlebotomy Exam 3 | Questions and Answer: UCLA Phlebotomy Exam 4 | Questions and QUESTION Answer: QUESTION UCLA Phlebotomy Exam Prep | Questions Answer: Answer: UCLA Phlebotomy Exam 1 | Questions and QUESTION Answer: UCLA Phlebotomy Final Exam | Questions Answer: QUESTION
how many tries do you get to draw blood
Answer:
2
QUESTION
reasons for failure to draw blood
Answer:
-not inserting the needle deep enough
-inserting needle through the vein
-holding bevel against vein wall
-vacuum in tube
QUESTION
hematomas
Answer:
occurs when blood leaks from vein or capillary and collects in tissues around puncture site
QUESTION
what do you do if a hematoma is forming while your drawing blood
Answer:
you have to stop the procedure
QUESTION
reasons for hematoma forming during venipuncture
Answer:
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Verified Answers| 100% Correct| A Grade
(2024\/ 2025)
QUESTION
what energy do muscles use
Answer:
glycogen in the form of stored glucose
QUESTION
muscular system functions
Answer:<\/p>\n\n\n\n\n
QUESTION
nervous system components
Answer:
-brain
-spinal cord
-nerves
-sense organs like eyes
QUESTION
nervous system functions<\/li>\n<\/ul>\n\n\n\n
-allows communication throughout the body and regulates body function
-directs sensations (pain, pressure)
-controls movement and physiological functions
-controls intellectual process
QUESTION
respiratory system functions
Answer:<\/p>\n\n\n\n\n
QUESTION
diagnostic tests of respiratory system
Answer:
-CBC
-ABG
QUESTION
digestive system function
Answer:
-breaks down food physically and chemically
-absorbs nutrients
-removes solid waste
-helps regulate intake and output of proteins, carbs, fats, vitamins, water
-releases many proteins, enzymes and digestive juices
QUESTION
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QUESTION
Left AV valve function
Answer:
closes when the left ventricle contracts and prevents blood from flowing back into left atrium
QUESTION
Pulmonary semilunar valve
Answer:
between right ventricle and pulmonary artery
-at the entrance of pulmonary artery
QUESTION
right semilunar valve function
Answer:
closes when the right ventricle relaxes and prevents blood from flowing back to right ventricle
QUESTION
aortic semilunar valve
Answer:
between left ventricle and aorta
-at entrance of aorta<\/p>\n\n\n\n
left semilunar valve function
Answer:
closes when the left ventricle relaxes and prevents blood from flowing back into the left ventricle
QUESTION
blood flow through heart
Answer:
1-Superior & Inferior Vena Cava,
2-Rt Atrium,
3-Tricuspid Valve,
4- Rt Ventricle 5-Pulmonary Valve,
6-Pulmonary Artery,
7- Lungs for oxygen\/co2 exchange,
8-Pulmonary Veins, (blood is now oxygenated)
9- Lft Atrium,
10- Mitral Valve (Bicuspid),
11-Lt Ventricle, 12- Aortic Valve, 13-Aorta,
14- Body
QUESTION
conduction system of heart
Answer:
SA node, AV node, Bundle of His, Purkinje fibers
-ventricles contact simultaneously and force blood into lungs and body
-atria and ventricles relax briefly before starting new cycle
QUESTION
atrioventricular (AV) node<\/p>\n\n\n\n
-simulated after SA node
-impulse goes down bundle of His–> R&L bundle branches–> purkinje fibers –> ventricles
QUESTION
sinoatrial node (SA node)
Answer:
pacemaker of the heart
-beginning of heartbeat
-causes atria to contract
QUESTION
Purkinje fibers
Answer:
fibers in the ventricles that transmit impulses to the right and left ventricles, causing them to
contract
QUESTION
AV bundle (bundle of His)
Answer:
on top of the interventricular septum
-relays impulse throughout the ventricular walls by means of bundle branches and purkinje fibers
QUESTION
diastole
Answer:
relaxation phase of the cardiac cycle (anerasm)
-ventricles are filling with blood from atria<\/p>\n\n\n\n
systole
Answer:
contraction phase of the cardiac cycle
-ventricles contract pushing blood thru pulmonary and aortic valve to distribute blood to lungs
and body
QUESTION
heart rate
Answer:
controlled by autonomic nervous system
-pulse is the number of times heart beats per minute
usually 120\/80
QUESTION
pulse rate
Answer:
occurs as a result of pressure when ventricles contract
-taken by palpating radial artery on thumb side of wrist
QUESTION
what is the normal heart rate
Answer:
60-80 bpm
QUESTION
bradycardia
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Grade (2024\/ 2025)
QUESTION
The Superior and Inferior vena cava are
Answer:
The two largest veins that bring oxygen-poor blood from upper and lower parts of the body
QUESTION
The antecubital fossa is defined as
Answer:
The area of the arm that is anterior and at the bend of the elbow
QUESTION
What may result from leaving the tourniquet on for longer than one minute?
Answer:
Hemoconcentration
QUESTION
What color is a hemolyzed blood sample?
Answer:
Red\/pink
QUESTION
Why do tubes need to be inverted after the blood draw?<\/p>\n\n\n\n
Properly mixes the additive and the blood in the tube
QUESTION
Which test is collected in a light blue top tube?
Answer:
Prothrombin Time (PT)
QUESTION
The light blue top tube used for coagulation tests MUST have a _<\/strong> ratio of blood to
anticoagulant?
Answer:
9:1
QUESTION
The best tube for collecting an ETOH (Alcohol) specimen has which color stopper?
Answer:
Gray top
QUESTION
What type of vein requires a syringe needle?
Answer:
Veins that collapse when using a tube with a large vacuum
QUESTION
The difference between plasma and serum is that:<\/p>\n\n\n\n
Serum does not contain coagulation factors
QUESTION
Which department would most likely perform the test on a specimen collected in a blood culture
bottle?
Answer:
Microbiology
QUESTION
As an anticoagulant, heparin prevents blood from clotting by:
Answer:
Inhibiting thrombin
QUESTION
Which of the following tubes will yield a serum sample?
Answer:
Red top
QUESTION
What is the purpose of a preservative in the tubes?
Answer:
It slows the metabolic activity of the blood cells
QUESTION
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(2024\/ 2025)
QUESTION
Source individual
Answer:
Any individual, living or dead, whose blood, or other potentially infectious materials may be a
source of occupational exposure
QUESTION
conditions required for bacterial growth
Answer:
moisture, temperature, oxygen, light
QUESTION
chain of infection
Answer:
infectious agent, reservoir, portal of exit, mode of transmission, portal of entry, susceptible host
-A MISSING LINK WILL PREVENT INFECTION
QUESTION
nosocomial infection
Answer:
infection acquired after a person has entered a hospital<\/p>\n\n\n\n
what is the most common nosocomial infection
Answer:
UTI (urinary tract infection)
QUESTION
standard universal precautions
Answer:
-established by CDC
-enforced by OSHA
-used regardless of patients diagnosis<\/p>\n\n\n\n\n
QUESTION
standard precaution guidelines
Answer:<\/li>\n<\/ul>\n\n\n\n\n
QUESTION
infection control system: body natural barriers
Answer:
skin and mucous barriers
QUESTION
infection control system: prevention<\/li>\n<\/ol>\n\n\n\n
hand washing, ppe, isolation precautions
QUESTION
strict isolation
Answer:
highly contagious diseases
-all equipment disposed of in room
-examples- pneumonia, small pox
-PPEQUESTION
Enteric isolation
Answer:
patients with intestinal infections
-examples – salmonella, shigella, hepatitis A & B
-PPEQUESTION
contact isolation
Answer:
patients with diseases that can be spread with direct contact
-examples- MRSA, group A strep
-PPEQUESTION
protective\/reverse\/neutropenic isolation
Answer:<\/p>\n\n\n\n\n
QUESTION
airborne isolation
Answer:<\/li>\n\n\n\n
QUESTION
Droplet Isolation
Answer:<\/li>\n\n\n\n
QUESTION
OSHA
Answer:
Occupational Safety and Health Administration
-enforces safe working conditions
-federal agency
QUESTION
OSHA role in employer responsibilities
Answer:
should provide hep B vaccination at no cost
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and Verified Answers| 100% Correct| A
Grade (2024\/ 2025)
QUESTION
basilic vein
Answer:
Medial vein of the antecubital area
Last choice due to closest to the brachial artery
QUESTION
capillaries
Answer:
Microscopic \/ unicellular blood vessels linking arterioles to venules
Are porous to allow for gas and nutrient exchange
QUESTION
cephalic vein
Answer:
Lateral vein of the antecubital area
2nd choice
Most prominent on obese pts
QUESTION
csf<\/p>\n\n\n\n
Cerebrospinal fluid
Fluid surrounding brain and meninges in spinal column (lubricates & nourishes)
QUESTION
median cubital vein
Answer:
Most commonly used vein in the antecubital fossa for venipuncture
QUESTION
veins
Answer:
Usually carry deoxygenated blood toward the heart (except pulmonary vein which carries
oxygenated blood from lungs to the left atrium)
QUESTION
bleeding time
Answer:
Most common pre-surgical test
Assesses platelet plug formation in capillaries
QUESTION
differential
Answer:
Test that categorizes blood cells & abnormalities present<\/p>\n\n\n\n
hematocrit (hct)
Answer:
Concentration of rbcs expressed in a percentage
Also called packed cell volume (pcv)
Normal – 55%
QUESTION
hemoglobin (hgb)
Answer:
Iron-containing protein in rbcs that carry o2 and co2
Low levels -> anemic
QUESTION
hematoma
Answer:
Localized leakage of blood into tissues
Most common complication of phlebotomy
QUESTION
sclerosed vein
Answer:
Hardened vein<\/p>\n\n\n\n