Past MCQ's Flashcards
the Anatomical position is characterised by all pf the following expect:
- body standing upright
- thumbs pointing laterally
- feet pointing anteriorly
- facer pointing anteriorly
- palms facing posterior *
which of the following neurotransmitters is/are inhibitory?
Both GABA and Glycine
childbirth is an example of…
positive feedback
the best definition of ‘acclimatization’ is:
transient physiological modifications (changes last only as long as the exposure)
drag the words
An OSTEON contains BLOOD VESSELS centrally, and CONCENTRIC LAMELLAE peripherally
The major form in which Carbon Dioxide is transported is….
as hydrogen carbonate
match the following:
Oestrogen -RANKL
Osteoblast - RANK
Osteoclast - Osteoprotegrin
Oestrogen - Osteoprotegrin
Osteoblast - RANKL
Osteoclast - RANK
Inhaled air encounters the following structures in which sequence?
Trachea, Bronchus, Bronchiole, Respiratory duct, alveolus
The vesicles contained in the motor nerve terminal at the NMJ
Acetylcholine
If the total pressure of a mixture of gases was 760 mm HG and its composition was 20% oxygen, 0.04% carbon dioxide, 75% nitrogen and 5% water vapour, the partial pressure of the oxygen would be:
152 mmHg
when an internal variation outside the normal limits triggers a response that restores the normal condition, the regulatory mechanism involves:
Negative Feedback
Which of the following structures doesn’t exhibit significant gas exchange?
- Alveoli
- Alveoli ducts
- Secondary bronchi
- Respiratory bronchioles
which of these statements concerning positive feedback is correct?
A positive feedback mechanism requires external intervention in the cycle to be halted
Name the muscle layers of the oesophagus
Mucosa
Submucosa
Muscularis (circular layer)
Muscularis (longitudinal layer)
What are the three sections of the stomach? What are the names of the two sphincters?
- Fundus
- Body
- Pylorus
The Pyloric sphincter is between the stomach and small intestine. The LES is at the top of the stomach
