Podcast
Questions and Answers
A patient cannot distinguish various types of odors. Damage to which of the following is most likely?
A patient cannot distinguish various types of odors. Damage to which of the following is most likely?
- Facial nerve (VIII)
- Hypoglossal nerve (XII)
- Olfactory nerve (I) (correct)
- Vagus nerve (X)
A patient has lost the ability to taste food. Which cranial nerve is most likely damaged?
A patient has lost the ability to taste food. Which cranial nerve is most likely damaged?
- Abducens nerves
- Optic nerves
- Facial nerves (correct)
- Trigeminal nerves
Over 90% of all parasympathetic fibers are derived from which cranial nerve?
Over 90% of all parasympathetic fibers are derived from which cranial nerve?
- X (Vagus) (correct)
- XII (Hypoglossal)
- V (Trigeminal)
- VII (Facial)
Which division of the autonomic nervous system is responsible for the 'fight or flight' response?
Which division of the autonomic nervous system is responsible for the 'fight or flight' response?
Control of temperature, endocrine activity, and thirst are functions associated with which brain structure?
Control of temperature, endocrine activity, and thirst are functions associated with which brain structure?
Which of these effectors is NOT directly controlled by the autonomic nervous system?
Which of these effectors is NOT directly controlled by the autonomic nervous system?
The dorsal body cavity is the site of which of the following?
The dorsal body cavity is the site of which of the following?
Which of the following statements is most accurate regarding the relationship between organ systems?
Which of the following statements is most accurate regarding the relationship between organ systems?
Excitability or responsiveness, a functional characteristic of life, refers to:
Excitability or responsiveness, a functional characteristic of life, refers to:
Carbohydrates are stored in the liver and skeletal muscles in what form?
Carbohydrates are stored in the liver and skeletal muscles in what form?
Which of the following does NOT accurately describe enzymes?
Which of the following does NOT accurately describe enzymes?
Which of the following accurately describes mitochondria?
Which of the following accurately describes mitochondria?
Which of the following is a primary function of peroxisomes?
Which of the following is a primary function of peroxisomes?
Which of the following is NOT a typical function of lysosomes?
Which of the following is NOT a typical function of lysosomes?
In which stage of mitosis do the identical sets of chromosomes line up along the midline or equator of the cell?
In which stage of mitosis do the identical sets of chromosomes line up along the midline or equator of the cell?
Which of the following is a key principle of the fluid mosaic model of cell membrane structure?
Which of the following is a key principle of the fluid mosaic model of cell membrane structure?
Which layer of tissue is damaged in a first-degree burn?
Which layer of tissue is damaged in a first-degree burn?
Why are eyebrow hairs always shorter than hairs on your head?
Why are eyebrow hairs always shorter than hairs on your head?
Cells of the stratum spinosum have many interlocking desmosomes that will remain between the cells as they migrate to the stratum corneum. These cell junctions serve the body by doing what?
Cells of the stratum spinosum have many interlocking desmosomes that will remain between the cells as they migrate to the stratum corneum. These cell junctions serve the body by doing what?
Which of the following examples illustrates homeostasis maintained by a negative feedback mechanism?
Which of the following examples illustrates homeostasis maintained by a negative feedback mechanism?
Which of the following is an example of homeostasis maintained by a negative feedback loop?
Which of the following is an example of homeostasis maintained by a negative feedback loop?
Ossification (Osteogenesis) refers to which process?
Ossification (Osteogenesis) refers to which process?
Lengthwise growth of long bones during infancy and youth is primarily achieved through what mechanism?
Lengthwise growth of long bones during infancy and youth is primarily achieved through what mechanism?
Growth of bones relies on a symphony of hormones. Which hormone is most important for bone growth during infancy and childhood?
Growth of bones relies on a symphony of hormones. Which hormone is most important for bone growth during infancy and childhood?
In some cases, the epiphyseal plate of the long bones of children closes too early, causing stunted growth. What might be the cause?
In some cases, the epiphyseal plate of the long bones of children closes too early, causing stunted growth. What might be the cause?
How do thoracic vertebrae differ from other vertebrae?
How do thoracic vertebrae differ from other vertebrae?
What is the major function of the axial skeleton?
What is the major function of the axial skeleton?
Which bone forms the anterior cranium?
Which bone forms the anterior cranium?
Which abnormal spinal curvature is often seen in pregnant women as they attempt to preserve their center of gravity toward the end of the pregnancy?
Which abnormal spinal curvature is often seen in pregnant women as they attempt to preserve their center of gravity toward the end of the pregnancy?
How do thoracic vertebrae 11 and 12 differ from the other vertebrae?
How do thoracic vertebrae 11 and 12 differ from the other vertebrae?
The superior nasal concha is a part of which bone?
The superior nasal concha is a part of which bone?
Which part of the ethmoid bone forms the superior portion of the nasal septum?
Which part of the ethmoid bone forms the superior portion of the nasal septum?
Which of the following is NOT a movement that can occur between vertebrae?
Which of the following is NOT a movement that can occur between vertebrae?
Articulations permitting only slight degrees of movement are classified as which of the following?
Articulations permitting only slight degrees of movement are classified as which of the following?
Which of the following are cartilaginous joints?
Which of the following are cartilaginous joints?
Bowing to one's opponent before a jiu jitsu match is what kind of movement?
Bowing to one's opponent before a jiu jitsu match is what kind of movement?
What is a potential benefit of recruiting slow oxidative muscle fibers for contraction before recruiting fast oxidative and fast glycolytic fibers?
What is a potential benefit of recruiting slow oxidative muscle fibers for contraction before recruiting fast oxidative and fast glycolytic fibers?
Addition of more mitochondria to a muscle fiber will have the greatest enhancing effect on which type of fiber?
Addition of more mitochondria to a muscle fiber will have the greatest enhancing effect on which type of fiber?
If given the exact same amount of ATP, which of the three fiber types would be able to contract for the longest amount of time?
If given the exact same amount of ATP, which of the three fiber types would be able to contract for the longest amount of time?
Flashcards
Olfactory nerve
Olfactory nerve
The nerve responsible for the sense of smell.
Facial nerve
Facial nerve
The nerve that controls the ability to taste food.
Vagus Nerve
Vagus Nerve
Cranial nerve from which over 90% of all parasympathetic fibers are derived.
Sympathetic division
Sympathetic division
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Hypothalamus
Hypothalamus
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Skeletal muscle
Skeletal muscle
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Brain
Brain
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Lymphatic System
Lymphatic System
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Excitability (Responsiveness)
Excitability (Responsiveness)
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Glycogen
Glycogen
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Enzyme function
Enzyme function
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Mitochondria
Mitochondria
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Peroxisomes
Peroxisomes
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Cell Membranes
Cell Membranes
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Metaphase
Metaphase
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Fluid mosaic model
Fluid mosaic model
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Epidermis
Epidermis
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Follicle Activity Length
Follicle Activity Length
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Prevent mechanical trauma
Prevent mechanical trauma
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Negative feedback
Negative feedback
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Negative Feedback
Negative Feedback
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Ossification
Ossification
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Interstitial growth
Interstitial growth
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Growth Hormone
Growth Hormone
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Elevated sex hormones
Elevated sex hormones
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Costal facets
Costal facets
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Protect internal organs
Protect internal organs
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Maxilla
Maxilla
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Lordosis
Lordosis
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Transverse process facets
Transverse process facets
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Ethmoid
Ethmoid
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Perpendicular plate
Perpendicular plate
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Supination
Supination
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Amphiarthroses
Amphiarthroses
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Synchondrosis
Synchondrosis
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Flexion
Flexion
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Help allow for fine control
Help allow for fine control
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Slow oxidative fibers
Slow oxidative fibers
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Study Notes
- A patient unable to distinguish odors may have damage to the olfactory nerve (I).
- Damage to the facial nerves can cause a loss of the ability to taste food.
- Over 90% of parasympathetic fibers originate from cranial nerve X (vagus).
- The "fight or flight" response is associated with the sympathetic division of the autonomic nervous system.
- The hypothalamus is responsible for controlling temperature, endocrine activity, and thirst.
- Skeletal muscle is NOT directly controlled by the autonomic nervous system.
- The brain is located in the dorsal body cavity.
- The immune system is closely associated with the lymphatic system.
- Excitability or responsiveness refers to sensing changes in the environment and then reacting or responding to them.
- Carbohydrates are stored in the liver and skeletal muscles as glycogen.
- Enzymes do NOT work by raising the energy of activation; they lower it.
- Mitochondria contain some of the DNA and RNA code necessary for their own function.
- Peroxisomes are able to detoxify substances by enzymatic action.
- Helping in the formation of cell membranes is NOT a function of lysosomes.
- During metaphase of mitosis, identical sets of chromosomes line up along the midline or equator of the cell.
- Phospholipids form a bilayer that is largely impermeable to water-soluble molecules and this is a principle of the fluid mosaic model of cell membrane structure.
- A first-degree burn damages the epidermis layer of tissue.
- Eyebrow follicles are only active for a few months, which is why eyebrow hairs are always shorter than hairs on the head.
- Interlocking desmosomes among cells of the stratum spinosum prevent mechanical stress or trauma from damaging the epidermis.
- Homeostasis through negative feedback is illustrated by the release of chemical signals by UV light-damaged keratinocytes to increase melanin production.
- Ossification (Osteogenesis) is the process of bone formation.
- Lengthwise, long bone growth during infancy and youth occurs through interstitial growth of the epiphyseal plates.
- Growth hormone is most important for bone growth during infancy and childhood.
- Elevated levels of sex hormones can cause the epiphyseal plate of long bones to close too early in children.
- Thoracic vertebrae have costal facets that differentiate them from other vertebrae.
- The axial skeleton provides central support for the body and protects internal organs.
- The maxilla forms the anterior cranium.
- Lordosis is an abnormal curve frequently observed in pregnant women.
- Thoracic vertebrae 11 and 12 do not have facets on their transverse processes that articulate with the tubercles of the ribs.
- The ethmoid bone includes the superior nasal concha.
- The perpendicular plate of the ethmoid bone forms the superior part of the nasal septum.
- Supination is NOT a movement that can occur between vertebrae.
- Amphiarthroses are articulations that permit only slight degrees of movement.
- Synchondrosis is a cartilaginous joint.
- Bowing to an opponent is considered a flexion movement.
- Recruiting slow oxidative fibers for contraction may help for fine control with delicate contractile force with a small stimulus.
- Adding more mitochondria impacts slow oxidative fibers the most.
- Slow oxidative fibers can contract for the longest amount of time when given the same amount of ATP.
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