Unit #1
Which cell organelle is a major site for production of adenosine triphosphate?
Mitochondria
Which bone cells form bone extracellular matrix?
Osteoblasts
What are the three types of muscle tissue?
Skeletal, Cardiac, and Smooth
The PNS can be divided into which two sections?
Somatic & Autonomic
What are the three components of the brainstem?
Medulla Oblangata, Pons, & Midbrain
What are the four principal elements of the body?
Oxygen, Carbon, Hydrogen, and Nitrogen
What are the three types of cartilage?
Elastic, Hyaline, and Fibrocartilage
What joints are freely moveable? (Hinge, saddle, ball & socket...)
Synovial Joint
The size of various regions in the primary motor cortex is related to the number of _____ in that area of the body
Motor Units
What is the innermost layer of the spinal meninges?
Pia Mater
Which of the following is an example of a subspecialty of anatomy? Pathology; Histology; Cardiology; or Embryology
Histology! The study of the microscopic structure of tissue
What are the three skin layers?
Epidermis, Dermis, Subcutaneous
Sliding filament theory describes the cross-bridging of which two proteins?
Actin & Myosin
What is the movement of resting membrane potential in a positive direction?
Depolarization
What are the five components of the reflex arc?
(1) Sensory receptor, (2) Sensory neuron, (3) Integration center, (4) Motor neuron, and (5) Effector organ
What type of tissue is blood?
Connective tissue
What is the most superficial layer of the epidermis?
Stratum corneum
What muscle property describes the ability of muscle to shorten forcefully?
Contractibility
What is the period in which nothing could produce another action potential?
Absolute Refractory Period
Is cranial nerve IX (Glossopharyngeal) a sensory, motor, or mixed nerve?
Mixed!
Motor: Innervation of the stylopharyngeus muscle, and parotid gland.
Sensory: Hearing, tasting, sensation of pharynx
What are the three germ layers?
Endoderm: lining of digestive tract
Mesoderm: Organs, muscles, bones, blood vessels
Ectoderm: Skin & nervous system
What part of the brain is responsible for thermoregulation?
Hypothalamus
During the Excitation-Coupling phase, ____ is released from the SR.
Calcium
What ions are pumped into and out of the cell during the Sodium Potassium Pump?
3 Na+ out of cell & 2 K+ into the cell
A patient presents with not being able to comprehend speech but they can produce it, which brain structure is likely the most impacted?
Wernicke's Area