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LABORATORY DIAGNOSTICS (CLINICAL) EXAM WITH VERIFIED ANSWERS
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LABORATORY DIAGNOSTICS (CLINICAL) EXAM WITH VERIFIED ANSWERS
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LABORATORY DIAGNOSTICS(CLINICAL) EXAM WITH VERIFIED
ANSWERS
Low power (10x) Correct Answer Urine sediment for casts and
epithelial cells and scanning blood smears.
High power (40x) Correct Answer Wet preparation: urine
sediment for red blood cells (RBCs), white blood cells, bacteria,
yeast, and parasites.
Oil immersion (100x) Correct Answer Microorganisms and blood
films (blood cell morphology, count, WBC differential).
Microorganisms Correct Answer The major groups are bacteria,
fungi, parasites, and archaea. Normally found everywhere: food,
water, air, soil, skin and within the body.
Morphology Correct Answer This is the study of form and
structure of an organism and the special features specific to it.
Normal flora Correct Answer The microorganisms found on the
skin and within the body that do not normally cause disease.
Pathogens Correct Answer Microorganisms that cause disease.
These infectious agents are capable of being transmitted from 1
living being to another in which they grow and multiply and
causing infection without signs of disease.
Virulence Correct Answer The capacity of a microorganism to
cause a disease or illness.
,Bacteria Correct Answer Single-celled (prokaryote) organisms
and are considered to be vegetable matter. Antibiotics effectively
fight and control bacterial infections.
Aerobes Correct Answer Require oxygen to survive
Anaerobes Correct Answer Do not require oxygen; some types
will die when exposed to oxygen.
Morphology Correct Answer The form and shape of the organism
Cocci (round) Correct Answer Singular coccus, cause such
diseases as pneumonia, streptococcal throat, and gonorrhea.
Bacilli (rod-shaped) Correct Answer Singular bacillus, cause such
diseases as tuberculosis, tetanus, urinary tract infection, and
whooping cough.
Spirilla (spiral) Correct Answer Singular spirillum, cause such
diseases as syphilis and Lyme disease.
Staphylo (grape like clusters) Correct Answer Methicillin-resistant
staphylococcus aureus (MRSA) is a strain of stalk bacteria that's
is resistant to prescribed antibiotics.
Spores Correct Answer Hard-shelled formations
Flagella Correct Answer Projections enabling movement
Strepto- Correct Answer Chains
Diplo- Correct Answer Pirs
Staphylo- Correct Answer Clusters
, Tinea Correct Answer A fungal skin infection
Archaea Correct Answer Single-called microorganisms similar in
shape and size to bacteria and have a wide variety of cell shapes.
They lack cell nuclei and are prokaryotes.
Hepatitis A Virus (HAV) Correct Answer Acute infective,
transmitted by fecal or oral contamination.
Hepatitis B Virus (HBV) Correct Answer Most common,
transmitted through contaminated serum, plasma, needles, and
entry through all entry portals.
Hepatitis C Virus (HCV) Correct Answer Transmitted by blood
transfusion or needle sharing.
Hepatitis D virus (HDV) Correct Answer Also known as delta
hepatitis, occurs in patients with hepatitis B. Transmitted by
mucosal contact, needle sharing, and sexual contact.
Hepatitis E Virus (HEV) Correct Answer Acute, occurs mostly
outside of the United States. Transmitted by recalls contaminated
water or food.
Human Immunodeficiency Virus (HIV) Correct Answer
Transmitted acutely: blood-to-blood and sexual contact are
modes of transmission. May be present in all body fluids. Of those
infected, 70% will progress to acquired immunodeficiency
syndrome (AIDS).
Random collection Correct Answer Most common sample type,
used for routine screening, collection of 3 oz or more.
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