ADAT Biomedical Sciences Flashcards
7 cards from real ADAT practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 ADAT Biomedical Sciences flashcards as text
Which component of the electron transport chain is the final electron acceptor?
Answer: Oxygen
Molecular oxygen accepts electrons at complex IV and is reduced to water.
Which type of joint is the temporomandibular joint classified as functionally?
Answer: Synovial (diarthrosis)
The TMJ is a synovial joint permitting free movement in hinge and gliding motions.
Which cell type is responsible for bone resorption during remodeling?
Answer: Osteoclasts
Osteoclasts are large multinucleated cells that break down bone matrix during remodeling.
In DNA replication, which enzyme synthesizes new strands in the 5' to 3' direction?
Answer: DNA polymerase
DNA polymerase adds nucleotides to the 3' end, extending the new strand 5' to 3'.
Which part of the autonomic nervous system stimulates salivary gland secretion of serous saliva?
Answer: Parasympathetic nervous system
Parasympathetic stimulation produces a copious, watery serous secretion from salivary glands.
A deficiency of intrinsic factor would most directly impair absorption of which vitamin?
Answer: Vitamin B12
Intrinsic factor from gastric parietal cells is required for vitamin B12 absorption in the ileum.
Which structure separates oxygenated from deoxygenated blood in the fetal heart before birth?
Answer: Foramen ovale
The foramen ovale shunts blood from the right atrium to the left atrium, bypassing the fetal lungs.