Tom Farrow Mock Flashcards
What part of the trilaminar disc is the spinal cord derived from?
Ectoderm
What part of the gastrointestinal tract usually absorbs the most fluid?
Jejunum
What is the main purpose of coughing?
To move material from the vocal cords to the pharynx
What mechanism is primarily responsible for expiration?
Elastic recoil of the lung
True or false. Hameoglobin is saturated 25% of the way through pulmonary capillaries.
True
The four fat-soluble vitamins are A,D,E and K. What are their chemical names?
A = Retinol D = Calciferol E = Tocopheral K = 2-Methyl-1,4-Naphthoquinone
What is the role of pepsin?
Hydrolyses bonds between aromatic amino acids
Give an example of a trace metal in normal human diet
Manganese
What is the inverse care law?
The suggestion that access to health care tends not to be proportionate to the actual need for care in the population served
What frequency are hair cells at the apex of the cochlea responsible for hearing?
Low frequency
What are the role of neuronal synaptic clefts?
Allow neurons to signal to each other and other types of cells
Where are microglia found?
- Meninges
- Brain parenchyma
- Vasculature
What is the role of the basal ganglia in motor control?
They select the most appropriate motor action to pass back to the cortex for execution
Which region of the brain is concerned with awareness of pain?
The pre frontal cortex
Where are C cells that produce calcitonin located?
Thyroid
How is glucose absorbed?
Glucose is first passively absorbed through a membrane transporter
Any extra glucose is actively absorbed by SGLT-1 channels, with Na+ being a cotransporter in secondary active transport
Is the stratum corneum an acellular layer?
Yes
What are the changes that occur during skeletal muscle contraction?
A band: stays same length
I band: shortens
Describe muscle spindles
They are innervated by gamma motor neurons and detect the amount and rate of change of muscle length to measure stretch
What is the main purpose of the synovial membrane?
Secretes important components into the synovial fluid