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HESI A2 ANATOMY AND PHYSIOLOGY QUESTIONS AND CORRECT ANSWERS
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HESI A2 ANATOMY AND PHYSIOLOGY QUESTIONS AND CORRECT ANSWERS Dorsal Body cavity includes what? - ANSWER -Cranial and Spinal Nerves Ventral Body cavity includes what? - ANSWER -The orbits and the nasal, oral, thoracic, and abdominopelvic cavities *Histology is the study of what?* - ANSWER -TI...

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  • January 8, 2025
  • 20
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • hesi a2 anatomy and physiology ques
  • hesi a2 anatomy and physiology questions and corr

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  • HESI A2 ANATOMY AND PHYSIOLOGY

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HESI A2 ANATOMY AND PHYSIOLOGY QUESTIONS
AND CORRECT ANSWERS

Dorsal Body cavity includes what? - ANSWER -Cranial and Spinal Nerves

Ventral Body cavity includes what? - ANSWER -The orbits and the nasal, oral, thoracic,
and abdominopelvic cavities

*Histology is the study of what?* - ANSWER -TISSUES!

A Tissue is a? - ANSWER -Group of cells that act together to perform specific functions

What are the 4 Fundamental Tissues of the Human Body? - ANSWER -Epithelial
Tissue
Connective Tissue
Nerve Tissue
Muscle Tissue

Epithelial Cells do what? - ANSWER -Cover, line, and protect the body its internal
organs

Connective Tissue is the framework of? - ANSWER -The body, providing support and
structure for the organs

Nerve Tissue is composed of? - ANSWER -Neurons and connective tissue cells

*What is a neuroglia?* - ANSWER -A connective tissue nerve cells

Muscle tissue have the ability to? - ANSWER -Contract or shorten

Muscle tissue is classified as? - ANSWER -Voluntary Muscles and Involuntary Muscles

What muscles are voluntary? - ANSWER -Skeletal Muscles

What muscles are involuntary? - ANSWER -Smooth Muscles

*What is the basic unit of life?* - ANSWER -A CELL!

*Who is the building block of tissues and organs?* - ANSWER -A CELL!

What does a nucleus contain? - ANSWER -Deoxyribonucleic acid (DNA) and
ribosomes

What is the job of a ribosome? - ANSWER -Synthesizes proteins

,What do proteins include? - ANSWER -Enzymes that regulate all chemical reactions
within the body

*What is MITOSIS necessary for?* - ANSWER -Growth and repair

*What happens during the process of MITOSIS?* - ANSWER -The DNA is duplicated
and distributed evenly to two daughter cells

*MEIOSIS is specializes in?* - ANSWER -Cells division that takes place in the gonads,
which is the ovaries and the testes

*What happens during the process of MEIOSIS?* - ANSWER -The chromosome
number is reduced from 46 to 23

*When the egg and sperm unite in fertilization the zygote will have the correct number
of chromosomes, this process takes place where?* - ANSWER -MEIOSIS!

What is the largest organ of the body? - ANSWER -THE SKIN!

What are the two layers of the skin? - ANSWER -EPIDERMIS and the DERMIS

*The EPIDERMIS is the* - ANSWER -Outermost protective layer of dead keratinized
epithelial cells

*The DERMIS is the* - ANSWER -Underlying layer of connective tissue with blood
vessels, nerve endings, and the associated skin structures

Where does the DERMIS rest? - ANSWER -On the subcutaneous tissue that connects
the skin to the superficial muscles

What are the layers of the EPIDERMIS from the OUTER layer to the INNER layer -
ANSWER -Stratum Corneum
Stratum Lucidum
Stratum Granulosum
Stratum Spinosum
Stratum Basale

Stratum Germinativum consists of what? - ANSWER -The Stratum Spinosum and the
Stratum Basale

MITOSIS occurs in what layer of the skin? - ANSWER -The innermost layer, which is
the Stratum Germinativum

Epidermal cells contain a protein pigment called? - ANSWER -MELANIN!

, Melanin protects against what? - ANSWER -Radiation from the sun

The dermis is composed of what? - ANSWER -Fibrous connective tissue with blood
vessels, sensory nerve endings, hair follicles, and glands

What are the 2 types of sweat glands? - ANSWER -Eccrine and Aprocrine

Eccrine Sweat gland is the - ANSWER -MOST WIDELY distributed sweat gland that
regulates body temperature by releasing a watery secretion that evaporates from the
surface of the skin

Aprocrine Sweat gland is found where? - ANSWER -Mainly in the armpits and the groin
area

The Aprocine Sweat gland secretion contains what? - ANSWER -Bits of cytoplasm
from the secreting cells

Cell debris from the Aprocine Sweat gland does what? - ANSWER -Attracts bacteria
and the presence of the bacteria on the skin results in body odor.

What do Sebaceous glands release? - ANSWER -An oily secretion which is sebum
through the hair follicles that lubricates the skin and prevents drying.

Oils are produced by what gland? - ANSWER -Holocrine Secretion, in which whole
cells of the gland are part of the secretion

Sebaceous glands are susceptible to becoming what? - ANSWER -Clogged and
attracted to bacteria, particularly during adolescence

The appendages of the skin include what? - ANSWER -Hair and Nails

Hair and nails are both composed of what? - ANSWER -KERATIN

*Epidermal Cells move from what?* (what are the steps) - ANSWER -1. The deepest
layers to the superficial layers
2. They move away from their blood and nutrient supply
3. Then they dehydrate and die

The body's framework consists of - ANSWER -Bone, Cartilage, Ligaments, and Joints

Functions of the Skeletal system include what? - ANSWER -Support
Movement
Blood Cell Formation
Protection of Internal Organs
Detoxification
Provision for muscle attachment

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