Anatomy: Directional Terms and Body Planes
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Anatomy: Directional Terms and Body Planes

This quiz covers the basics of anatomical position, sagittal planes, midsagittal planes, transverse planes, and frontal planes. It's essential for understanding human body directions and divisions.

Created by
@InvincibleKelpie

Questions and Answers

What is the main function of the midsagittal plane in the human body?

Divides the body into equal left and right halves

Which type of plane divides the body into superior and inferior portions?

Transverse plane

What is the primary function of non-specialized epithelial cells?

Produce secretions and provide protection

What is the term for the vertical plane that divides the body from top to bottom into unequal left and right portions?

<p>Sagittal plane</p> Signup and view all the answers

What is the function of specialized epithelial tissue associated with skin color, hair, and nails?

<p>Associate with skin color, hair, and nails</p> Signup and view all the answers

What is the primary function of the skeletal system?

<p>To provide protection, support, and shape</p> Signup and view all the answers

Which system is responsible for defence against disease and conservation of plasma proteins and fluid?

<p>Lymphatic system</p> Signup and view all the answers

What type of muscle is found in the appendicular limb muscles?

<p>Striated muscle</p> Signup and view all the answers

Which system is responsible for transporting oxygen to cells and removing CO2 and water wastes?

<p>Respiratory system</p> Signup and view all the answers

What is the main function of the integumentary system?

<p>To regulate body temperature and protect the body</p> Signup and view all the answers

Which system is responsible for producing new life?

<p>Reproductive system</p> Signup and view all the answers

What happens during the induction stage of tooth development?

<p>The ectoderm lining stomodeum gives rise to oral epithelium and dental lamina</p> Signup and view all the answers

What is the main function of the lining mucosa in the oral cavity?

<p>To act as a cushion for underlying structures</p> Signup and view all the answers

What is the name of the thin compact bone that lines the alveolar socket?

<p>Lamina dura</p> Signup and view all the answers

During which stage of tooth development does the formation of the enamel organ occur?

<p>Cap stage</p> Signup and view all the answers

What is the name of the part of the maxillary bones that forms support for the teeth of the maxillary arch?

<p>Alveolar process</p> Signup and view all the answers

What is the composition of the oral mucosa?

<p>Stratified squamous epithelium overlaying connective tissue</p> Signup and view all the answers

What is the characteristic of the masticatory mucosa?

<p>It has a rubbery surface texture and resiliency</p> Signup and view all the answers

Which bone forms the base of the skull?

<p>Occipital bone</p> Signup and view all the answers

What is the function of the TMJ in relation to the lower jaw?

<p>It enables hinging and gliding motions of the lower jaw</p> Signup and view all the answers

Which nerve is the primary source of innervation for the oral cavity?

<p>Trigeminal nerve</p> Signup and view all the answers

What is the function of the maxillary division of the trigeminal nerve?

<p>It supplies the maxillary and mandibular divisions</p> Signup and view all the answers

Which type of mucosa is associated with the dorsal surface of the tongue?

<p>Both masticatory and specialized mucosa</p> Signup and view all the answers

In the Universal tooth numbering system, which teeth are numbered from A-T?

<p>Primary teeth</p> Signup and view all the answers

What is the characteristics of the ISO tooth numbering system?

<p>Divides the mouth into quadrants</p> Signup and view all the answers

What is the name of the tissue pad that covers the incisive foramen?

<p>Incisive papilla</p> Signup and view all the answers

What is the term for permanent teeth that replace primary teeth?

<p>Succedaneous teeth</p> Signup and view all the answers

What is the characteristic of the mucosa of the hard palate?

<p>Tightly bound to the underlying bone</p> Signup and view all the answers

What is the name of the ridges and folds located directly behind the incisive papilla?

<p>Palatal rugae</p> Signup and view all the answers

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