BSC + CCS: WK7-8 Flashcards
(492 cards)
true or false: constriction of the bronchial tubules is caused by the sympathetic nervous system
false: parasympathetic
what is responsible for the rapid remodelling of membrane lipids to generate biologically active lipid mediators that serve as intracellular and extracellular signals?
arachidonic acid metabolites
two most common types of viral gastroenteritis are:
rotavirus
norovirus
what is produced by endothelial cells with a half-life of seconds, acts localled to cause vasodilation by relaxation fo smooth muscle and reduces neutrophil extravasation?
nitrous oxide
what artery is found next to the portal vein?
a) cystic artery
b) hepatic artery
c) IVC
d) right renal artery
b
volume of distribution is:
the extent to which the drug leaves the blood and distributes into the tissue.
regarding the brachial plexus, the psoterior cord is:
a) behind the axillary artery and contains all three posterior division branches
b) behind the axillary artery and contains the superior and middle division branches
c) in the middle and contains all three posterior division branches
d) in the middle and contains the superior and middle division branches
c
saliva is a filtrate derived from _____. intrinsic salivary glands are scattered through the oral cavity and prouce a ___ amount of saliva at a relatively ____ rate e.g. buccal glands. Extrinsic salivary glands are regulated based on the body’s demands and include ______, _______, ______
plasma, small, constant, parotid, submandibular, sublingual
first line treatment for H. Pylori is PPI-based triple therapy. What is the role of the proton pump inhibitor?
a) reduces the pH of stomach to make the proteins it produces to destroy the epithelium non-viable
b) bacteriocidal effect on H. Pylori
c) bacteriostatic effect on H. Pylori
d) supress H. pylori by reducing acid production of parietal cells
d
which structures are secondary retroperitoneal embryonically? (multiple answers)
a) ascending colon
b) rectum
c) duodenum
d) pancreas
a, c, d
b) primary retroperitoneal
killing and degradation via phagocytosis is largely accompished by ____ ____ _____ within the lysosome and degranulation
reaction oxygen intermediates
the spleen is related to ribs __ to ___ and its long axis is parallel with rib ___
9-11, 10
there are four impressions on the spleen. they are:
- colic (splenic flexure)
- renal
- gastric
- pancreatic
oesophageal varices is life-threatening. what is the cause?
a) renal hypertension
b) pulmonary hypertension
c) portal hypertension
d) all of the above are possible causes
c
which of the following regarding PPIs is false?
a) weak base
b) becomes active via protonation (addition of a proton)
c) binds directly to the H+/K+ pump
d) none of the above
d
state which statement is true or false:
1. drugs in a conjugated form will be excreted via faeces and drugs in the deconjugated form will be reabsorbed via enterohepatic circulation
- conjugation occurs via phase II metabolism in the liver and deconjugation occurs via gut bacteria in the ileum and large intestines
a) 1 is true
b) 2 is true
c) 1 and 2 are both true
d) 1 and 2 are both false
c
true or false: neurons may lack dendrites but they will always have an axon
false: may lack dendrites or have no axon
the pancreas is a retroperitoneal organ. the tail however, is suspending by what ligament?
splenorenal (spleen to tail of pancreas)
the ulnar nerve of the brachial plexus comes from the:
a) medial cord
b) posterior cord
c) lateral cord
a
Bile salts are amphipathic and tend to aggregate around droplets of lipids to form ______. The hydrophilic side is ______ charged and prevents re-aggregation of fat
micelles, negatively
Jim is renally-impaired. what what you use to determine his kidney function before dosing him with drug X?
cockcroft-gault equation
bile duct is formed by ______ _______ + _______ _________ narrowing
hepatic diverticulum + foregut (duodenal)
what are the 4 P’s of pancreatic cancer?
Painless
Palpable gallbladder
Persistent
Progressive jaundice
The pouch of dorsal mesogastrium forming the left lateral boundary of the lesser sac subsequently undergoes voluminous expansion, giving rise to the ________ _______
lesser omentum