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MEDICAL-SURGICAL NURSING I

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Subido en
31-03-2025
Escrito en
2024/2025

MEDICAL-SURGICAL NURSING I

Institución
MEDICAL-SURGICAL NURSING
Grado
MEDICAL-SURGICAL NURSING

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MEDICAL-SURGICAL NURSING I NEWEST
2025 EXAM WITH CORRECT QUESTIONS
AND ACTUAL ANSWERS FROM A VERIFIED
SOURCE GRADED A+.


CARCINOMA - ANSWERS-cancer that begins in the skin or in tissues
that line or cover internal organ.

SARCOMA - ANSWERS-Begins in the bone, cartilage, fat, muscle, blood
vessels, or connective tissues.

LEUKEMIA - ANSWERS-begins in blood forming tissue, such as bone
marrow, and causes large numbers of abnormal blood cells to be
produced and enter the blood.

LYMPHOMA AND MYELOMA - ANSWERS-Begins in cells of the
immune system,bone marrow.

Endoplasmic Reticulum - ANSWERS-Transports intracellular materials.

CNS CANCERS - ANSWERS-Begin in tissues of the brain and spinal
cord; ex: nerve cells: neuroblastoma.

BENIGN - ANSWERS-tumors that cannot spread by invasion or
metastasis; hence they only grow locally.

MALIGNANT - ANSWERS-- capable of spreading by
invasion/metastasis
- Metastases share name of the primary tumor

,- Spread to vital organs (liver, brain) - life threatening

NUCLEUS - ANSWERS-control center; controls genetic info
Mitochondria- powerhouse; converts sugar to energy via cellular
respiration.

Ribosomes - ANSWERS-site of protein synthesis

Golgi apparatus - ANSWERS-packaging center of cell packages and
secretes proteins

Centrioles - ANSWERS-organizes microtubules (spindle fibers) for
mitosis.

Chromosomes - ANSWERS-condensed DNA and proteins, codes for
genetic traits.

Interphase - ANSWERS-90% growth, DNA replication, cell function

G-0 - ANSWERS-resting stage. Cell leaves to carry out function

G1 - ANSWERS-- growth and prep of chromosomes for replication

S phase - ANSWERS-DNA replication occurs

G2 - ANSWERS-prepare for mitosis

M Phase - ANSWERS-mitosis occurs 10%

Prophase - ANSWERS-chromosomes condensing; nucleus present

Metaphase - ANSWERS-chromosomes line up in middle of cell nucleus
disassembled

,Anaphase - ANSWERS-chromosomes move away ot opposite sides via
spindles

Telophase - ANSWERS-new nuclei forms on both sides to form new cells.

Cytokinesis - ANSWERS-splits cells into 2

Cell cycle quality control: - ANSWERS-• Checkpoints in Gl & G2
• Apoptosis: self destruction of cell Mitosis checkpoints: detect failure of
spindle fibers & arrest cell in metaphase.
• Gene mutations checkpoint failure = cancer

Gene mutations - ANSWERS-1. Tumor suppressor gene mutations
2. Proto-oncogene mutations

Tumor suppressor gene mutations - ANSWERS-Cancer cells avoid
apoptosis and keep growing and dividing, resulting in a tumor. This is a
recessive mutation so both alleles in the gene need to be mutated to
cause the cancer
"brakes of a car"

Proto-oncogene mutations - ANSWERS-dominant genes, only one allele
needs to be stated to cause cancer.- proto-onco gene mutates into an
oncogene, a cell will keep diving even when there are no messages to
divide.
"gas of a car"

Abnormal cell growth - ANSWERS-Tumor/neoplasm formation

→apoptosis fails - ANSWERS-Invasion & Metastasis

Invasion - ANSWERS-direct migration and penetration by cancer cells
into neighboring tissues

, Metastasis - ANSWERS-ability of cancer cels to penetrate into lymphatic
and blood vessels, circulate through the bloodstream, and then invade
normal tissues elsewhere in the body.

Establishment and growth - ANSWERS-tumor cells establish and grow in
secondary site: lymp nodes or in organs from venous curculation.

CARCINOGENESIS STAGES - ANSWERS-INITIATION
PROMOTION
SPREAD/PROGRESSION

INITIATION - ANSWERS-Carcinogens cause mutations in the cellular
DNA
● spontaneous
● Carcinogens: chemicals, physical factors, biologic agents

PROMOTION - ANSWERS-allow a cell that has undergone initiation to
become cancerous. (Doesn't affect cells that haven't undergone
initiation). Leads to the formation of pre-neoplastic or benign lesion. ●
Drugs ● Sex hormones

SPREAD/PROGRESSION - ANSWERS-: cancer grows into surrounding
tissue or organs (stimulate angiogenesis) , nearby or distant. Spread via
lymphatic system or blood stream.

Proliferation - ANSWERS-rapid reproduction by cell division:
hyperplasia, dysplasia, and metaplasia, neoplasia

Metastasis - ANSWERS-spread or transfer of cancer cells

ETIOLOGY, what are the etiological factors - ANSWERS-● Viruses and
bacteria
● Physical agents
● Chemicals
● Genetics

Escuela, estudio y materia

Institución
MEDICAL-SURGICAL NURSING
Grado
MEDICAL-SURGICAL NURSING

Información del documento

Subido en
31 de marzo de 2025
Número de páginas
55
Escrito en
2024/2025
Tipo
Examen
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