5000 Plus MCQs for Lab Technician and Technologists are designed to test the knowledge and proficiency of laboratory professionals who work in the field of clinical laboratory science. These questions cover a wide range of topics related to laboratory science, including anatomy, physiology, microbiology, chemistry, and hematology.
3751 to 3800 MCQs for Lab Technician and Technologist Exam Preparation
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Questions 3771 to 3800
- What vein/veins is not used to obtain
a venous blood sample:
a. basilica vein
b. cephalic vein
c. medial cubital vein
d. femoral vein ✔️ - A blood specimen collected in a heparinized tube is centrifuged. It will separate into:
a. serum and clot
b. plasma and clot
c. serum and plasma
d. plasma, buffy coat, RBC ✔️ - Hemolysis may result from:
a. using a 25-gauge needle on an adult
b. vigorously shaking the blood specimen
c. refrigerating the vacutainer before use
d. leaving the tourniquet on for 3 minutes ✔️ - The test procedure that uses a Westergren tube is:
a. erythrocyte sedimentation rate ✔️
b. hematocrit
c. reticulocyte count
d. microhematocrit - Latex gloves protect the labemployee from:
a. accidental needle puncture
b. microtome injury
c. patient aerosols
d. body fluid ✔️ - Which statement is false when setting up an ESR:
a. it must be read in exactly one hour
b. it should be set up near a centrifuge ✔️
c. the blood level must be at exactly zero
d. it should be performed on fresh blood - Within the cell, DNA is found in the nucleus. Which of he other structures within the cell listed below normally contains DNA as well?
- A. perioxisome
- B. mitochondrion ✔️
- C. Golgi Apparatus
- D. smooth ER
- Steroid synthesis occurs within which of the following structures?
A. peroxisome
B. mitochondrion
C.golgi apparatus
D. smooth ER ✔️ - During catabolic activity, the potential for oxidative insult can be considerable. Which of the following structures within the cell functions primarily to reduce this potential insult?
- A. peroxisome ✔️
- B. mitochondrion
- C.golgi apparatus
- D. Smooth ER
- Which of these structures is responsible for the production of protein?
A. peroxisome
B. mitochondrion
C. Golgi Apparatus
D. smooth ER ✔️ - Of the following cellular modifications associated with epithelia, which provides a morphological barrier between adjacent cells?
- A. glycocalyx
- B. macula adherens
- C. zonula adhernens
- D. nexus ✔️
- Within the extracellular matrix of connective tissues, this structure consists of small fibers that normally remain unbundled and froms a useful enviornment for cells of defense.
- A. Collagen type I
- B. Collagen type II
- C. Collagen type II ✔️
- D. Collagen type IV
- The structure (fiber) and environment described in the previous question mostly occurs in:
A. loose connective tissue ✔️
B. dense irregular connective tissue
C. dense regular connective tissue
D. cartilage - Among the defending cells of connective tissue, the one that forms antibodies and provides humoral
immunity is the
A. TLymphocyte
B. plasma cells
C. mast cell
D. histiocyte
E. none of the above ✔️ - Antibodies known as IgE become attached to this cells surfaces as specific receptors with in there promotes the allergic response.
- A. melanocyte
- B. fibrocyte
- C. mast cell ✔️
- D. macrophage
- The yellow coloration sometimes associated with adult fat is due to the presence of numerous lipid droplets.
- A. true
- B. false ✔️
- Cement lines are regularly formed in
A. cancellous bone
B. osteonal bone ✔️
C. trabecular bone
D. immature bone - The length of the long bone is primarily dye to the interstitial growth of the cartilaginous plate.
A. True
B. False ✔️ - Of the extracellular matrices in following tissues, which would most likely have collagen type II?
A. bone
B. fibrocartilage
C. dense irregular connective tissue
D. hyaline cartilage ✔️ - What is the function of hyaline cartiledge.
A. to protect and support the body and assist in motion
B. to store lipid
C. to transport a variety of substances
D. to protect and support organs ✔️ - What is the function of adipose tissue
A. to protect and support the body and assist in motion
B. to store lipid and cushion organs ✔️
C. to transport a variety of substances
D. to protect and support organs - What is the function of blood?
A. to store lipid and cushion organs
B. to protect and support organs
C. to transport a variety of substances ✔️
D. to protect and support the body and assist in motion - Skeletal muscle creates heat.
A. Truee ✔️
B. False - Skeletal muscle creates heat.
A. True ✔️
B. False - The function of smooth muscle is to
A. create heat
B. propel blood into the circulatory system
C. propel food through the GI tract ✔️
D. cushion organs
- What are the three types ofepithelial cell junctions
A. Tight, Gap, Macula Adherens ✔️
B. Macula Adherens, Junctions, Gap
C. Gap, Loose,
D. Tight - What are the 4 types of tissues found in the Body?
A. Blood, Nerve, Epithelial, Skeletal
B. Epihelial, Nerve, Muscle, Bone
C. Epithelial, Nerve, Connective, Muscle ✔️
D. Connective, Bone, Skin, Blood - This type of Epithelim cell has one layer and flat like eggs
A. Stratified Cuboidal
B. Simple Cuboidal
C. Simple Columnar
D. Simple Squamous ✔️ - What is this type of epithelial cell?Location- Glands, ducts; portions of kidey tubules; thyroid glands Function-Limited protection, secretion, absorption
A. Simple Cuboidal ✔️
B. Simple Squamous
C. Simple Columnar
D. Stratified Cuboidal - This type of epithelial tissue lines the nasal cavity, trachea and bronchii.
A. Transitional Epithelium
B. Pseudostratified Ciliated Columnar Epithelium ✔️
C.Stratified Squamous Epithelium
D. Stratified Columnar Epithelium - This type of tissue covers exposed surfaces, lines internal passageways & chambers, and forms glands
A. Skin
B. Connective Tissue
C. Epithelial Tissue ✔️
D. Nerve Tissue - Connexins are the proteins found in which plasma membrane specialisation?
A. Desmosomes
B. Gap Junctions ✔️
C. Microvilli
D. Tight Junctions - Histologically, the ascending colon, the transverse colon and the descending colon are indistinguishable from one another.
- A. True ✔️
- B. False
- Which of the following is NOT primarily composed of connective tissue?
A. Spinal cord ✔️
B. Pubic symphysis
C. Ligament
D. Areolar tissue - What are the valves whichregulates the flow of bile into the intestine?
A. Rokitansky-Aschoff sinuses
B. Ducts of Luschka
C. Duct of Wirsung
D. Ampulla of Vater
E. Sphincter of Oddi ✔️ - What do you call a tissue composed of a conglomeration of cells which are tightly packed together, yet which does not have a free surface? An example of such a tissue would be the parenchyma of the adrenal gland.
- A. Epithelioid tissue
- B. Mesothelium ✔️
- C. Endothelium
- D. Transitional
- E. Pseudostratifie
- Which of the following is NOT considered neuroglia?
A. Astrocytes
B. Ependymal cells
C. Oligodendrocytes
D. Microglia
E. Schwann cells ✔️ - What type of tissue lines the upper esophagus?
A. Simple squamous epithelium
B. Simple cuboidal epithelium
C. Simple columnar epithelium
D. Stratified squamous epithelium ✔️
E. Transitional epithelium - Which cell is a resting osteoblast?
A. Chondrocyte
B. Chondroblast
C. Osteocyte
D. Osteoclast
E. Bone lining cel ✔️ - What forms the skeleton of the fetus?
A. Elastic cartilage
B. Hyaline cartilage ✔️
C. Fibrocartilage
D. Spongy bone - Which type of neuron is multipolar?
A. Motor neuronns
B. Interneurons
C. Sensory neurons
D. Motor neurons and Interneurons ✔️
E. All of the above - What structure contributes to the cells cytoskeleton?
A. Ribosomes
B. Peroxisome
C. Microfilaments ✔️
D. Centrioles
E. Nucleoli - What is the glomerulus?
A. Afferent arteriole
B. Efferent arteriole
C. Capillary tuft ✔️
D. Peritubular capillaries
E. Vasa recta - What are neurons in the retina?
A. Unipolar
B. Pseudounipolar
C. Bipolar ✔️
D. Multipolar
E. Unipolar and Pseudounipolar - The colloquialism “gray matter”refers to somebody using his intellect or reasoning ability. In reality, what is gray matter?
- A. Meninges
- B. Myelinated nerve fibers
- C.Cell bodies ✔️
- D. Nodes of Ranvier
- E. Neurofilaments
- What type of tissue is a tendon Composed of?
A. Mucous connective tissue
B. Mesenchyme
C. Loose irregular connective tissu1e
D. Dense irregular connective tissue
E. Dense regular connective tissue ✔️ - What is a gland called if the secretory portion is flask shaped?
A. Simple gland
B. Compound gland
C. Tubular
D. Alveolar ✔️
E. Tubuloalveolar - Which type ofneuron is most abundant?
A. Sensory neurons
B. Motor neurons
C. Interneurons ✔️
D. Sensory neurons and Motorneurons - What covers the visible portion of a tooth?
A. Pulp cavity
B. Dentin
C. Dental pulp
D. Cementum
E. Enamel ✔️ - What is the term for the process used by cells for the transport in of particulate matter?
A. Endocytosis
B. Exocytosis
C. Pinocytosis
D. Phagocytosis ✔️
The questions are typically designed to assess the technical skills and knowledge required for the laboratory profession, including the ability to analyze laboratory test results, perform laboratory procedures, and maintain laboratory equipment.
To prepare for these MCQs, candidates should have a thorough understanding of the key concepts and principles of laboratory science. They should also be familiar with common laboratory equipment and procedures, as well as laboratory safety protocols.
Candidates may also benefit from studying specific laboratory science textbooks or taking online courses that cover the material tested in the MCQs. Additionally, practicing sample MCQs and reviewing the answers can help candidates identify areas where they may need to improve their knowledge or skills.
Overall, the MCQs for lab technologists are designed to be challenging and comprehensive, requiring candidates to demonstrate a high level of proficiency in the field of laboratory science.
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