Practice Exam questions Flashcards
Which hormone stimulates RBC production and where is it released from?
Erythropoietin from kidneys in response to hypoxia
Homeostasis means
Maintaining a stable internal environment
Chemical synapses in the nervous system release…
Neurotransmitters from pre synaptic vesicles
Where is the primary sensory cortex located?
Parietal lobe
When a cell is bathed in a hypotonic solution, water…
Moves into the cell
The antibodies (agglutinins) found in the blood of a person with blood group O are:
Anti -A and Anti -B
Compared to veins, arteries have _______ lumens
Smaller lumens
What happens during quiet inspiration?
Air enters the lungs until intrapulmonary pressure is equal to atmospheric pressure
State one function of the cerebellum
Balance, coordination of movement and posture
What is produced by the choroid plexus of the ventricles?
Cerebrospinal fluid
Glucagon does what?
Stimulates glycogenolysis
Low density lipoproteins found in the plasma…
Transport cholesterol from the liver to tissues
What does trypsin do?
Activates pro-peptidases in the duodenum
What cells release trypsin and where is it released?
Pancreatic acinar cells release trypsin into the duodenum
What do you know about CCK?
Hormone released in the duodenum involved in digestion and bile production. It stimulates contraction of the gall bladder.
Parietal cells..
Contain the enzyme carbonic anhydrase
Secrete HCl
Saliva…
Initiates the digestion of carbohydrates
HCl…
Released in the stomach by parietal cells
Kills microbes eaten with food
By what process do oogenia turn into oocytes?
Oogenesis, meiosis.
What is ovulation and when does it occur?
Release of an ovum on day 14
What is fertilisation and what does it form?
Fusion of sperm and ovum to for a zygote
How many chromosomes are in a fertilised ovum?
46
How do fertilised ovum divide?
Mitosis
