10 Questions
Which division of the autonomic nervous system is responsible for the 'fight or flight' response?
Sympathetic division
Where are the preganglionic neurons of the sympathetic division situated?
Lateral gray horns of 12 thoracic and first three lumbar segments of the spinal cord
Which ganglia are arranged along the anterolateral surface of the vertebral column in the sympathetic division?
Paravertebral or sympathetic chain ganglia
Which division of the autonomic nervous system is known as the 'rest and digest' system?
Parasympathetic division
Which part of the nervous system is responsible for innervation to all organs except for skeletal muscle?
Autonomic Nervous System
What are the main functions of the male reproductive system?
Production of sperm, secretion of testosterone, and delivery of sperm to the female reproductive system
What effects do estrogens and testosterone have on males and females?
Estrogens promote development of female secondary sexual characteristics, while testosterone promotes development of male secondary sexual characteristics
What takes place during fertilization and early human development?
Formation of zygote, cleavage, and initiation of embryonic development
What are some of the most common STDs?
Chlamydia, Gonorrhea, and Syphilis
What important events occur during the later stages of human development?
Organ development, fetal growth, and preparation for birth
Study Notes
Autonomic Nervous System
- The sympathetic division is responsible for the 'fight or flight' response.
Sympathetic Division
- Preganglionic neurons are situated in the thoracic and lumbar regions of the spinal cord.
- The paravertebral ganglia are arranged along the anterolateral surface of the vertebral column.
Parasympathetic Division
- The parasympathetic division is known as the 'rest and digest' system.
Autonomic Nervous System Function
- The autonomic nervous system is responsible for innervation to all organs except for skeletal muscle.
Male Reproductive System
- The main functions of the male reproductive system include producing sperm, transporting sperm, and secreting hormones.
Hormones
- Estrogens have a feminizing effect on females, while testosterone has a masculinizing effect on males.
- Estrogens can also have feminizing effects on males, while testosterone can have masculinizing effects on females.
Human Development
- During fertilization, a sperm fertilizes an egg, resulting in a zygote.
- During early human development, the zygote undergoes multiple cell divisions, eventually forming a blastocyst.
- During later stages of human development, the embryo undergoes organogenesis and morphogenesis.
Sexually Transmitted Diseases (STDs)
- Some common STDs include chlamydia, gonorrhea, syphilis, and human immunodeficiency virus (HIV).
Test your knowledge of the autonomic nervous system with this quiz. Explore the functions and innervation of the ANS, its role in maintaining homeostasis, and its impact on various organs and systems in the body. Ideal for students of human physiology and anyone interested in understanding the involuntary nervous system.
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