Podcast
Questions and Answers
Which of the following best describes the role of terminology in anatomy?
Which of the following best describes the role of terminology in anatomy?
- It allows for effective communication and avoids vague descriptions. (correct)
- It is only important for academics and researchers.
- It is used to confuse students learning anatomy.
- It provides general guidelines and expectations.
What does the term 'homeostasis' refer to?
What does the term 'homeostasis' refer to?
- The body's ability to remain in a constant state, resisting change. (correct)
- The body's mechanism to create an internal environment.
- The body's constant and extreme fluctuation to adapt to changing needs.
- The body's gradual decline in function with age.
What is the primary purpose of regulatory mechanisms in maintaining homeostasis?
What is the primary purpose of regulatory mechanisms in maintaining homeostasis?
- To ensure that controlled variables stay within their normal set-point range. (correct)
- To ensure that the body always reaches the maximum possible level.
- To maintain the external environment conditions.
- To allow controlled variables to move freely outside their normal range.
The body responds to rising body temperature through vasodilation and sweating. Which homeostatic mechanism does this represent?
The body responds to rising body temperature through vasodilation and sweating. Which homeostatic mechanism does this represent?
What position is a person in when they are in the 'anatomical position'?
What position is a person in when they are in the 'anatomical position'?
In anatomical terms, what is the opposite of 'anterior'?
In anatomical terms, what is the opposite of 'anterior'?
Which of the following describes a structure that is 'superior' to another?
Which of the following describes a structure that is 'superior' to another?
In anatomical terms, if the elbow is described as proximal to the wrist, what does this mean?
In anatomical terms, if the elbow is described as proximal to the wrist, what does this mean?
What does it mean if the skin is described as superficial to the muscle?
What does it mean if the skin is described as superficial to the muscle?
What does the sagittal plane divide the body into?
What does the sagittal plane divide the body into?
Which plane divides the body into anterior and posterior sections?
Which plane divides the body into anterior and posterior sections?
A transverse plane divides the body into which sections?
A transverse plane divides the body into which sections?
In which plane does flexion and extension primarily occur?
In which plane does flexion and extension primarily occur?
What movement decreases the angle between articulating bones?
What movement decreases the angle between articulating bones?
What is the movement called when the toes are pulled up towards the face?
What is the movement called when the toes are pulled up towards the face?
What movement moves a limb away from the midline of the body?
What movement moves a limb away from the midline of the body?
If a person turns the sole of their foot inward, what is this movement called?
If a person turns the sole of their foot inward, what is this movement called?
Which movement combines flexion, abduction, extension, and adduction in a circular motion?
Which movement combines flexion, abduction, extension, and adduction in a circular motion?
Motion around the long axis of a joint is called?
Motion around the long axis of a joint is called?
What is the term for rotating the forearm so that the palm faces posteriorly?
What is the term for rotating the forearm so that the palm faces posteriorly?
Which term indicates a structure that is located away from the midline?
Which term indicates a structure that is located away from the midline?
When the body shivers in response to a drop in temperature, what type of homeostatic mechanism is at play?
When the body shivers in response to a drop in temperature, what type of homeostatic mechanism is at play?
Which directional term refers to something being closer to the point of attachment or origin?
Which directional term refers to something being closer to the point of attachment or origin?
Which anatomical plane would show the brain and spinal cord in one continuous image?
Which anatomical plane would show the brain and spinal cord in one continuous image?
Which foot movement involves turning the sole of the foot outwards?
Which foot movement involves turning the sole of the foot outwards?
In the anatomical position, which direction do the palms face?
In the anatomical position, which direction do the palms face?
What is the term for a homeostatic mechanism that anticipates a change and minimizes its effect?
What is the term for a homeostatic mechanism that anticipates a change and minimizes its effect?
Which term refers to a position closer to the surface of the body?
Which term refers to a position closer to the surface of the body?
Which of the following movements occurs in the coronal plane?
Which of the following movements occurs in the coronal plane?
Which directional term best describes the relationship of the nose to the eyes?
Which directional term best describes the relationship of the nose to the eyes?
Considering anatomical terminology, which is the correct way to describe the relationship between the knee and the ankle?
Considering anatomical terminology, which is the correct way to describe the relationship between the knee and the ankle?
If a doctor orders a transverse section of the abdomen, what type of view will the resulting image show?
If a doctor orders a transverse section of the abdomen, what type of view will the resulting image show?
Which type of movement is predominately involved when shaking your head 'no'?
Which type of movement is predominately involved when shaking your head 'no'?
In which of the following scenarios is the body employing a feedforward mechanism to maintain homeostasis?
In which of the following scenarios is the body employing a feedforward mechanism to maintain homeostasis?
The radius is lateral in anatomical position to the ulna. If the hand is pronated, what is the positioning of the radius and ulna?
The radius is lateral in anatomical position to the ulna. If the hand is pronated, what is the positioning of the radius and ulna?
A doctor tells a patient that a lesion is distal to their shoulder. Where is the lesion located?
A doctor tells a patient that a lesion is distal to their shoulder. Where is the lesion located?
A physical therapist is helping a patient regain movement in their lower limbs. Which movement would involve motion in the sagittal plane?
A physical therapist is helping a patient regain movement in their lower limbs. Which movement would involve motion in the sagittal plane?
If a surgeon needs to view both the heart and the lungs in a single section, which plane would be most suitable?
If a surgeon needs to view both the heart and the lungs in a single section, which plane would be most suitable?
A person is performing a bicep curl, where they bend their elbow to bring their hand closer to their shoulder. What movement is occurring at the elbow joint?
A person is performing a bicep curl, where they bend their elbow to bring their hand closer to their shoulder. What movement is occurring at the elbow joint?
During a physical examination, a doctor asks a patient to turn their palm upward. Which movement is the patient performing?
During a physical examination, a doctor asks a patient to turn their palm upward. Which movement is the patient performing?
Which homeostatic mechanism is demonstrated when blood vessels constrict in response to a decrease in body temperature?
Which homeostatic mechanism is demonstrated when blood vessels constrict in response to a decrease in body temperature?
Flashcards
What is homeostasis?
What is homeostasis?
The maintenance of stable internal conditions in the body.
What is feedback in homeostasis?
What is feedback in homeostasis?
When a controlled variable moves too far, the body attempts to bring it back to normal.
What is feedforward in homeostasis?
What is feedforward in homeostasis?
Anticipating changes in a controlled variable and minimizing their effect.
What is the Anatomical Position?
What is the Anatomical Position?
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What does 'Anterior' mean?
What does 'Anterior' mean?
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What does 'Posterior' mean?
What does 'Posterior' mean?
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What does 'Superior' mean?
What does 'Superior' mean?
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What does 'Inferior' mean?
What does 'Inferior' mean?
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What does 'Medial' mean?
What does 'Medial' mean?
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What does 'Lateral' mean?
What does 'Lateral' mean?
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What does 'Proximal' mean?
What does 'Proximal' mean?
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What does 'Distal' mean?
What does 'Distal' mean?
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What does 'Deep' mean?
What does 'Deep' mean?
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What does 'Superficial' mean?
What does 'Superficial' mean?
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What is a Sagittal plane?
What is a Sagittal plane?
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What is a Coronal plane?
What is a Coronal plane?
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What is a Transverse plane?
What is a Transverse plane?
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What is Flexion?
What is Flexion?
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What is Extension?
What is Extension?
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What is Dorsiflexion?
What is Dorsiflexion?
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What is Plantarflexion?
What is Plantarflexion?
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What is Abduction?
What is Abduction?
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What is Adduction?
What is Adduction?
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What is Inversion?
What is Inversion?
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What is Eversion?
What is Eversion?
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What is Circumduction?
What is Circumduction?
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What is Rotation?
What is Rotation?
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What is Lateral (External) Rotation?
What is Lateral (External) Rotation?
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What is Medial (Internal) Rotation?
What is Medial (Internal) Rotation?
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What is Pronation?
What is Pronation?
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What is Supination?
What is Supination?
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Study Notes
- This pre-lecture material assists with note-taking and preparation, but is not a substitute for attending the lecture.
Terminology
- Effective communication avoids vague descriptions and directions.
- Look up unfamiliar words and research their etymology (origin).
Homeostasis
- Homeostasis maintains stable internal conditions necessary for the body's systems' proper function.
- Regulatory mechanisms keep controlled variables within a normal set-point range to maintain homeostasis.
- Controlled variables include temperature, ion concentrations (calcium, potassium, sodium), blood sugar levels, and fluid balance.
- Feedback occurs when body responses counteract deviations of a controlled variable from its set point.
- Feedforward is the anticipation of an event that will alter a controlled variable minimizes effects.
Anatomical Terminology
- Specific terminology refers to body parts, directions, and movements.
- Anatomical position includes being upright, facing forward, feet together, and palms facing forward.
- The anatomical position remains the same regardless of movement.
Terms of Direction
- Terms of direction describe body parts in relation to one another:
- Anterior: front
- Posterior: back
- Cranial or Cephalic: toward the head
- Caudal: toward the tail or feet
- Superior: above
- Inferior: below
- Medial: toward the midline
- Lateral: away from the midline
- Proximal: closer to the point of attachment or origin
- Distal: further from the point of attachment or origin
- Deep: further from the surface
- Superficial: closer to the surface
Planes of Division
- Sagittal plane divides the body into left and right, including the midsagittal or median plane dividing into mirror images.
- Coronal plane divides the body into front and back sections.
- Transverse plane divides the body into top and bottom sections.
Movement Terminology
- The sagittal plane involves back and forward movement.
- The coronal plane involves side-to-side movements.
- The transverse plane involves rotational movements.
- Flexion decreases the angle, flexion increases the angle between body parts.
- In feet, dorsiflexion brings toes up towards the face, and plantarflexion points toes towards the ground.
- Abduction moves a limb away from the midline at a joint, while adduction moves it towards the midline.
- In feet, inversion has the sole facing towards the midline, eversion has it turning away.
- Circumduction combines flexion, abduction, extension, and adduction.
- Rotation occurs around the long axis of a joint.
- Lateral rotation is external, medial rotation is internal.
- Pronation has the palm facing posterior.
- Supination has the palm facing anterior, with forearm bones parallel.
Main concepts for HUBS 191
- Homeostasis maintains normal set points of bodily functions.
- Anatomical position is a defined reference point for anatomy.
- The body can be sectioned in different planes.
- Anatomical location is described in relation to other structures.
- Movement of the body is defined based on specific terminology.
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