AHS 202l - Lab 7 Respiratory System And Eyeball

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Quizzes Created: 15 | Total Attempts: 2,623

Questions: 44 | Attempts: 116 | Updated: Mar 20, 2023

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AHS 202l - Lab 7 Respiratory System And Eyeball - Quiz

Practive quiz for lab 7�respiratory system and eyeball

*answer in all lower case plz

not in this quiz:
Posterior chamber
Conjunctival sac

NOT from the cat are:
Iris
Pupil
Palpebra conjunctiva

could not have a good/clear picture

Questions and Answers

1.

where are the scissors shoved up into? (leads to the nose)

Explanation
The correct answer is nasopharynx. The question is asking where the scissors are shoved up into, and it is stated that it leads to the nose. The nasopharynx is the upper part of the throat that connects the nose to the rest of the respiratory system. Therefore, it is the most logical answer based on the given information.

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2.

what is this whole space called?

Explanation
The correct answer is pharynx. The pharynx is a part of the throat that connects the nasal cavity and mouth to the esophagus and larynx. It plays a crucial role in the respiratory and digestive systems, allowing air and food to pass through.

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3.

what is the roof of the BACK of the mouth called?

Explanation
The roof of the back of the mouth is called the soft palate. The soft palate is a muscular structure that separates the mouth from the nasal cavity. It is responsible for closing off the nasal passages during swallowing and speech production.

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4.

what is the opening of the trachea called?

Explanation
The opening of the trachea is called the glottis. The glottis is located at the top of the larynx and is responsible for allowing air to pass through into the trachea and lungs during breathing. It consists of the vocal cords and the space between them. When we speak, the glottis adjusts to produce different sounds by controlling the vibrations of the vocal cords.

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5.

Explanation
The epiglottis is a flap of cartilage located at the base of the tongue that prevents food and liquid from entering the windpipe during swallowing. It covers the opening of the larynx, or voice box, and directs the passage of food and liquid into the esophagus. This helps to protect the lungs from aspiration, which is the inhalation of foreign objects or substances into the respiratory tract.

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6.

where the trachea splits...

Explanation
also called BIFURCATION OF TRACHEA

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7.

Explanation
The correct answer is the right primary bronchi. This suggests that the question is asking about a specific structure in the respiratory system. The right primary bronchi are the two main branches that extend from the trachea and lead to the right and left lungs. They are responsible for delivering air to the lungs for gas exchange.

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8.

Explanation
The diaphragm is a dome-shaped muscle located below the lungs that plays a crucial role in the process of breathing. When we inhale, the diaphragm contracts and moves downward, allowing the lungs to expand and fill with air. This movement creates a vacuum that draws air into the lungs. When we exhale, the diaphragm relaxes and moves back up, pushing the air out of the lungs. Therefore, the diaphragm is responsible for controlling the volume and pressure of air in the lungs during the breathing process.

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9.

the cartilaginous circles around the trachea

Explanation
The correct answer is "tracheal rings." The trachea, also known as the windpipe, is a tube-like structure that allows air to pass in and out of the lungs. It is composed of a series of cartilaginous rings, known as tracheal rings, that provide support and prevent the collapse of the trachea during breathing. These rings are incomplete in the back, allowing flexibility and movement of the trachea.

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10.
11.

Explanation
The lingual artery is a blood vessel that supplies oxygenated blood to the tongue. It arises from the external carotid artery and runs along the underside of the tongue. It provides the tongue with the necessary nutrients and oxygen for proper functioning.

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12.

inside soft tissue flaps

Explanation
Soft tissue flaps can refer to various structures in the body, including the vocal cords. The vocal cords are located within the larynx and are responsible for producing sound by vibrating as air passes through them. They play a crucial role in speech and phonation. Therefore, it is reasonable to assume that when the question mentions "inside soft tissue flaps," it is referring to the vocal cords as a specific example.

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13.

the glands next to the trachea

Explanation
The right thyroid gland is located next to the trachea. The thyroid gland is responsible for producing hormones that regulate metabolism and growth. The right thyroid gland specifically refers to the thyroid gland on the right side of the trachea.

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14.

Explanation
lung

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15.

(sorry its so blurry!! NOT the vocal cords, the cartilage just before the vocal cords)

Explanation
The correct answer is arytenoid cartilages. The arytenoid cartilages are located just before the vocal cords in the larynx. These small, pyramid-shaped cartilages play a crucial role in controlling the tension and position of the vocal cords. They help to adjust the pitch and volume of the voice by rotating and sliding, allowing for different vocalizations and sounds to be produced. The arytenoid cartilages also contribute to the opening and closing of the glottis, which is essential for speech and breathing.

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16.

Explanation
The trachealis muscle is a smooth muscle that runs along the posterior wall of the trachea. It helps to regulate the diameter of the trachea, allowing for the passage of air during respiration. When the muscle contracts, it narrows the trachea, increasing resistance to airflow. Conversely, when it relaxes, the trachea widens, facilitating easier breathing. Therefore, the trachealis muscle plays a crucial role in controlling the airflow through the trachea and maintaining proper respiratory function.

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17.

the branches off of the primary bronchi

Explanation
The secondary bronchi are the branches that come off of the primary bronchi. They are responsible for delivering air to the lobes of the lungs. Each lung has two primary bronchi, one for each lung, and these primary bronchi further divide into secondary bronchi, which then divide into smaller and smaller bronchioles. The secondary bronchi play a crucial role in the respiratory system by ensuring that air reaches all parts of the lungs for efficient gas exchange.

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18.

the shiny surface on the organs

Explanation
The shiny surface on the organs is called the visceral pleura. The visceral pleura is a thin membrane that covers the outer surface of the organs in the thoracic cavity, including the lungs. It is composed of a layer of simple squamous epithelium and a layer of connective tissue. The shiny appearance of the visceral pleura is due to its smooth and reflective nature. It helps to reduce friction between the organs and the surrounding structures during respiration.

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19.

the shiny surface on the walls

Explanation
The shiny surface on the walls is called the parietal pleura. The parietal pleura is the outer layer of the pleural membrane that lines the walls of the chest cavity. It is a smooth and shiny membrane that helps to protect and lubricate the lungs during breathing movements.

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20.
21.

Explanation
The thyroid cartilage is the largest cartilage in the larynx and is commonly referred to as the Adam's apple. It is located in the front of the neck and helps protect the vocal cords and support the structure of the larynx. It is more prominent in males due to the effects of testosterone during puberty.

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22.

Explanation
The cricoid cartilage is a ring-shaped structure located at the base of the larynx, or voice box. It is the only complete ring of cartilage in the upper respiratory tract and serves as a support structure for the larynx. The cricoid cartilage helps maintain the patency of the airway and plays a crucial role in vocalization and swallowing. It is also an important landmark for medical procedures such as tracheostomy and cricothyrotomy.

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23.

this whole area is the ________

Explanation
The correct answer is "larynx" because the question states that "this whole area" refers to the larynx. Therefore, the larynx is the correct answer to complete the sentence.

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24.

usually clear in a live animal

Explanation
The cornea is usually clear in a live animal. The cornea is the transparent front part of the eye that covers the iris, pupil, and anterior chamber. It plays a crucial role in focusing light onto the retina for clear vision. In a healthy eye, the cornea is clear and allows light to pass through without obstruction. Any cloudiness or opacity in the cornea can cause vision problems and may indicate an underlying eye condition or injury. Therefore, a clear cornea is essential for good vision in a live animal.

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25.

Explanation
The optic nerve is responsible for transmitting visual information from the eye to the brain. It is a bundle of nerve fibers that connects the retina, the light-sensitive tissue at the back of the eye, to the visual cortex in the brain. This allows the brain to process and interpret the visual signals received from the eye, enabling us to see and perceive the world around us.

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26.

jelly stuff inside the eye

Explanation
The correct answer is vitreous humor. The vitreous humor is a jelly-like substance that fills the space between the lens and the retina in the eye. It helps maintain the shape of the eye and plays a role in transmitting light to the retina.

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27.

Explanation
The correct answer is "left medial canthus." The left medial canthus refers to the inner corner of the left eye where the upper and lower eyelids meet. It is an anatomical landmark used to describe the position or direction of certain structures or movements related to the eye.

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28.

Explanation
The left lateral canthus refers to the outer corner of the left eye where the upper and lower eyelids meet. This is an anatomical term used to describe a specific location on the face.

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29.

also known as the third eyelid

Explanation
The given correct answer refers to the left nictitating membrane. This is a thin, translucent membrane that is present in the eyes of certain animals, including birds, reptiles, and some mammals. It is also known as the third eyelid because it is an additional protective layer that can move across the eye to provide further protection. The left nictitating membrane specifically refers to the membrane on the left side of the eye.

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30.
31.
32.
33.

Explanation
The tapetum lucidum is a layer of tissue located behind the retina in the eyes of some animals. It reflects light back through the retina, increasing the amount of light available for photoreceptor cells to detect. This enhances night vision in animals that possess it, allowing them to see in low light conditions.

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34.

where the nerves exit the eye

Explanation
The optic disc is the correct answer because it is the location where the nerves exit the eye. It is also known as the blind spot because it lacks photoreceptor cells, making it insensitive to light. This area is where the optic nerve connects to the retina, allowing visual information to be transmitted from the eye to the brain.

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35.

Explanation
The retina is the innermost layer of the eye that contains light-sensitive cells called photoreceptors. These cells convert light into electrical signals that are then transmitted to the brain through the optic nerve, allowing us to see and perceive visual information. The retina plays a crucial role in vision and is responsible for capturing and processing visual stimuli.

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36.

fingerlike projects that attach to the lens

Explanation
The ciliary body refers to a part of the eye that contains fingerlike projections. These projections are responsible for attaching to the lens, allowing for changes in its shape and enabling the eye to focus on objects at different distances. Therefore, the ciliary body is the correct answer because it accurately describes the structure that has the specified characteristics.

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37.

what is the space between the iris and cornea called

Explanation
also known as aqueous chamber

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38.

not the sclera

Explanation
The bulbar conjunctiva is the correct answer because it refers to the thin, clear membrane that covers the front surface of the eyeball, excluding the cornea. It is responsible for protecting the eye and lubricating it by producing tears. The sclera, on the other hand, is the white outer layer of the eyeball that provides structural support. Therefore, the bulbar conjunctiva is the more appropriate answer in this context.

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39.

the white of the eye

Explanation
The correct answer is sclera. The sclera is the tough, fibrous outer layer of the eye that covers the majority of the eyeball. It is commonly referred to as the "white of the eye" because it is typically white or off-white in color. The sclera provides protection and support to the delicate structures within the eye, and its white color helps to reflect light and maintain the shape of the eyeball.

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40.

where the iris and the white of the eye meet

Explanation
The limbus is the area where the iris and the white of the eye (sclera) meet. It is the boundary between the colored part of the eye and the white part. This region is important for various eye-related measurements and procedures, such as fitting contact lenses or performing surgeries.

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41.
42.

colored portion of the eye

Explanation
The iris is the colored portion of the eye that surrounds the pupil. It is responsible for controlling the amount of light that enters the eye by adjusting the size of the pupil. The iris contains muscles that contract or relax to change the size of the pupil, allowing more or less light to reach the retina. This helps to protect the sensitive retina from excessive light and regulate the amount of light needed for clear vision. Additionally, the iris gives each person their unique eye color, ranging from blue, green, brown, or gray.

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43.
44.