Anatomy Basics: Directions, Neurons, and Muscle Contraction

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Questions and Answers

What is the primary function of the choroid plexus in the central nervous system?

To produce cerebrospinal fluid (correct)

To regulate blood pressure in the brain

To stimulate neuronal activity

To filter out toxins from the bloodstream

During which stage of growth and development does intramembranous ossification occur?

Childhood growth

Adolescent development

Fetal development

Embryonic development (correct)

What is the term for the process by which cerebrospinal fluid is recycled back into the blood?

Arachnoid villi absorption (correct)

Diffusion

Phagocytosis

Reabsorption

Which type of bone is characterized by a compact, dense structure and is found in the shafts of long bones?

Compact bone Signup and view all the answers

What is the term for the condition in which the bones become brittle and porous due to a lack of vitamin D and calcium?

Osteomalacia Signup and view all the answers

Which type of neuron is responsible for transmitting signals from the central nervous system to skeletal muscles?

Motor neuron Signup and view all the answers

What is the primary site of innervation for the mimetic muscles?

CN VII - Facial nerve Signup and view all the answers

What is the primary function of the tensor tympani muscle?

To regulate the amount of sound that enters the ear Signup and view all the answers

At what level of the vertebral column does the spinal cord typically end?

L1-L2 Signup and view all the answers

What is the primary cause of Horner's Syndrome?

Damage to the sympathetic ganglion Signup and view all the answers

What is the primary function of the suspensory ligaments in the breast?

To support the weight of the breast Signup and view all the answers

What is the primary structure that articulates with the transverse process of the vertebrae in the rib cage?

Tubercle of the rib Signup and view all the answers