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ANATOMY STACK 2
| What are the three major connective wrappings of a skeletal muscle, from deep to superficial? | 1. Endomysium 2.Perimysium 3.Epimysium |
| What are the points of attachment and function of the Diaphragm? | origin on the xyphoid process, lower ribs, and lumbar vertebrae. it is the prime mover of inspiration; flattens upon contraction, increasing thoracic volume. |
| What are the two main subdivisions of the nervous system, and what are their components? | Central Nervous System: Brain and Spinal Cord (integration/command center). Peripheral Nervous System: Nerves (Cranial and spinal) and ganglia. |
| Differentiate between the Somatic Nervous System and Autonomic Nervous System | SNS: controls voluntary muscles. ANS: controls involuntary cardiac muscle, smooth muscle, and glands. |
| what are the five lobes of the cerebrum? | 1.Frontal, 2. parietal, 3. temporal, 4. occipital, 5. insula (deep to temporal lobe) |
| what is the primary neurotransmitter released by all preganglionic neurons (both sympathetic and parasympathetic)? | Acetylcholine (ACh). They are cholinergic |
| what structures in the inner ear are responsible for detecting static equilibrium and linear acceleration? | the Maculae located in the saccule utricle |
| what is the "Master Gland" of the endocrine system and where is it located? | The Pituitary Gland (Hypophysis), located in the sella turcica of the sphenoid bone, inferior to the hypothalamus |
| where are the adrenal glands located? | sitting on top of the superior surface of each kidney (often called suprarenal glands) |
| what is the primary hormone produced by the thyroid gland that regulates metabolism? | Thyroxine (T4) |
| what are the two structures in the fetal heart that bypasses the pulmonary circulation? | 1. Foramen Ovale: shunts blood from RA to LA. 2. Ductus Arteriosus: shunts blood from pulmonary trunk to aorta. |
| what are three main functions of lymphatic system? | 1. fluid balance 2. fat absorption 3. immunity |
| what are two main functions of lymph nodes? | 1. filtration 2. immune system activation |
| which class of antibody is the most abundant and can cross the placenta? | IgG |
| what are the three regions of the pharynx, from superior to inferior? | 1. nasopharynx 2. oropharynx 3. laryngopharynx |
| what structure prevents food and liquid from entering the larynx and lower respiratory tract during swallowing? | the epiglottis |