18 Questions
What is the role of the interneuron in a reflex arc?
It connects the sensory neuron to the effector
Which component of a reflex arc detects the stimulus?
Sensory neuron (afferent)
Which branch of Gross Anatomy focuses on specific external and internal regions of the body?
Regional Anatomy
What does Microscopic Anatomy include the study of?
The anatomy at the molecular level
What is the definition of Gross Anatomy?
The study of anatomy that can be seen with the naked eye
What does Cytology refer to in Microscopic Anatomy?
The study of the structure and function of cells
Which part of Gross Anatomy focuses on the anatomy of different organ systems?
Systemic Anatomy
What specifically does Surface Anatomy in Gross Anatomy study?
External anatomical features without dissection
Which branch of anatomy focuses on the study of the structural changes in a person from fertilization to adulthood?
Developmental Anatomy
What is the period of embryonic development in humans from approximately the second to the eighth week after fertilization called?
Embryology
In the standard anatomical position, which direction do the thumbs point?
Away from the body
What term describes a reclining body lying face up?
Supine position
Which field of study focuses on the medical study and treatment of the fetus, especially within the uterus?
Fetology
Which major region of the human body includes the skull and face?
Head
What do scientists and health-care professionals use to communicate clearly and precisely when referring to body structures and functions?
Anatomical Terminology
"The language of anatomy has precisely defined meanings that allow us to communicate clearly and precisely." This statement emphasizes the importance of:
Anatomical terminology
What is the study of the body structures of different species of animals in order to understand the adaptive changes they have undergone in evolution called?
Comparative Anatomy
Which term describes a reclining body lying face down?
Prone position
Study Notes
- Reflexes are quick, involuntary responses to specific stimuli.
- Maintain homeostasis by making swift adjustments in the function of organs or organ systems.
- Reflex arc: sequence of events leading to a reflex response.
- Components of reflex arc:
- Receptor: identifies stimulus.
- Sensory neuron (afferent): conveys information to the spinal cord.
- Motor neuron (efferent): transmits information to an effector.
- Interneuron: located in the spinal cord, links sensory neuron to motor neuron.
- Effector: muscle fibers contract or another organ that produces the reflex action (secretion from a gland).
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